function SelectChange(num){


if (num == "1")

   {
   
   if(document.search_form.field1.value == "AUTHOR_NAMES")
     {
	 	 for(var i=0;i<document.all.colum1_exp.length;i++){
		 
		 document.all.colum1_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum1_exp[0].style.display = "block"
	 }
   else if(document.search_form.field1.value == "AUTHOR_NAME1")  
     {
	 	 for(var i=0;i<document.all.colum1_exp.length;i++){
		 
		 document.all.colum1_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum1_exp[1].style.display = "block"
	 }  
   else if(document.search_form.field1.value == "SUPERSCRIPTION_CN")  
     {
	 	 for(var i=0;i<document.all.colum1_exp.length;i++){
		 
		 document.all.colum1_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum1_exp[2].style.display = "block"
	 }    
   else if(document.search_form.field1.value == "JOURNAL_NAME")  
     {
	 	 for(var i=0;i<document.all.colum1_exp.length;i++){
		 
		 document.all.colum1_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum1_exp[3].style.display = "block"
	 }    
   else if(document.search_form.field1.value == "ISSN")  
     {
	 	 for(var i=0;i<document.all.colum1_exp.length;i++){
		 
		 document.all.colum1_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum1_exp[4].style.display = "block"
	 }    
   else if(document.search_form.field1.value == "TABLOID_CN")  
     {
	 	 for(var i=0;i<document.all.colum1_exp.length;i++){
		 
		 document.all.colum1_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum1_exp[5].style.display = "block"
	 }    
   else if(document.search_form.field1.value == "ORGANIZATIONS")  
     {
	 	 for(var i=0;i<document.all.colum1_exp.length;i++){
		 
		 document.all.colum1_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum1_exp[6].style.display = "block"
	 }    
   else if(document.search_form.field1.value == "KEYWORD_CN")  
     {
	 	 for(var i=0;i<document.all.colum1_exp.length;i++){
		 
		 document.all.colum1_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum1_exp[7].style.display = "block"
	 }    
   else if(document.search_form.field1.value == "FUND_NAMES")  
     {
	 	 for(var i=0;i<document.all.colum1_exp.length;i++){
		 
		 document.all.colum1_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum1_exp[8].style.display = "block"
	 }    
   else if(document.search_form.field1.value == "CITATION_AUTHOR")  
     {
	 	 for(var i=0;i<document.all.colum1_exp.length;i++){
		 
		 document.all.colum1_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum1_exp[9].style.display = "block"
	 }    
   else if(document.search_form.field1.value == "CITATION_AUTHOR1")  
     {
	 	 for(var i=0;i<document.all.colum1_exp.length;i++){
		 
		 document.all.colum1_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum1_exp[10].style.display = "block"
	 } 
   else if(document.search_form.field1.value == "CITATION_DERIVATION")  
     {
	 	 for(var i=0;i<document.all.colum1_exp.length;i++){
		 
		 document.all.colum1_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum1_exp[11].style.display = "block"
	 } 
   else if(document.search_form.field1.value == "CITE_ORGANIZTION")  
     {
	 	 for(var i=0;i<document.all.colum1_exp.length;i++){
		 
		 document.all.colum1_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum1_exp[12].style.display = "block"
	 } 
   else if(document.search_form.field1.value == "CITE_LABORATORY")  
     {
	 	 for(var i=0;i<document.all.colum1_exp.length;i++){
		 
		 document.all.colum1_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum1_exp[13].style.display = "block"
	 } 	 
   else if(document.search_form.field1.value == "PUBLISHING_COMPANY")  
     {
	 	 for(var i=0;i<document.all.colum1_exp.length;i++){
		 
		 document.all.colum1_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum1_exp[14].style.display = "block"
	 } 	 
   else if(document.search_form.field1.value == "EDITOR_IN_CHIEF")  
     {
	 	 for(var i=0;i<document.all.colum1_exp.length;i++){
		 
		 document.all.colum1_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum1_exp[15].style.display = "block"
	 } 	   
  }
else if (num == "2")
   {
   if(document.search_form.field2.value == "AUTHOR_NAMES")
     {
	 	 for(var i=0;i<document.all.colum2_exp.length;i++){
		 
		 document.all.colum2_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum2_exp[0].style.display = "block"
	 }
   else if(document.search_form.field2.value == "AUTHOR_NAME1")  
     {
	 	 for(var i=0;i<document.all.colum2_exp.length;i++){
		 
		 document.all.colum2_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum2_exp[1].style.display = "block"
	 }  
   else if(document.search_form.field2.value == "SUPERSCRIPTION_CN")  
     {
	 	 for(var i=0;i<document.all.colum2_exp.length;i++){
		 
		 document.all.colum2_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum2_exp[2].style.display = "block"
	 }    
   else if(document.search_form.field2.value == "JOURNAL_NAME")  
     {
	 	 for(var i=0;i<document.all.colum2_exp.length;i++){
		 
		 document.all.colum2_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum2_exp[3].style.display = "block"
	 }    
   else if(document.search_form.field2.value == "ISSN")  
     {
	 	 for(var i=0;i<document.all.colum2_exp.length;i++){
		 
		 document.all.colum2_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum2_exp[4].style.display = "block"
	 }    
   else if(document.search_form.field2.value == "TABLOID_CN")  
     {
	 	 for(var i=0;i<document.all.colum2_exp.length;i++){
		 
		 document.all.colum2_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum2_exp[5].style.display = "block"
	 }    
   else if(document.search_form.field2.value == "ORGANIZATIONS")  
     {
	 	 for(var i=0;i<document.all.colum2_exp.length;i++){
		 
		 document.all.colum2_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum2_exp[6].style.display = "block"
	 }    
   else if(document.search_form.field2.value == "KEYWORD_CN")  
     {
	 	 for(var i=0;i<document.all.colum2_exp.length;i++){
		 
		 document.all.colum2_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum2_exp[7].style.display = "block"
	 }    
   else if(document.search_form.field2.value == "FUND_NAMES")  
     {
	 	 for(var i=0;i<document.all.colum2_exp.length;i++){
		 
		 document.all.colum2_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum2_exp[8].style.display = "block"
	 }    
   else if(document.search_form.field2.value == "CITATION_AUTHOR")  
     {
	 	 for(var i=0;i<document.all.colum2_exp.length;i++){
		 
		 document.all.colum2_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum2_exp[9].style.display = "block"
	 }    
   else if(document.search_form.field2.value == "CITATION_AUTHOR1")  
     {
	 	 for(var i=0;i<document.all.colum2_exp.length;i++){
		 
		 document.all.colum2_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum2_exp[10].style.display = "block"
	 } 
   else if(document.search_form.field2.value == "CITATION_DERIVATION")  
     {
	 	 for(var i=0;i<document.all.colum2_exp.length;i++){
		 
		 document.all.colum2_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum2_exp[11].style.display = "block"
	 } 
   else if(document.search_form.field2.value == "CITE_ORGANIZTION")  
     {
	 	 for(var i=0;i<document.all.colum2_exp.length;i++){
		 
		 document.all.colum2_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum2_exp[12].style.display = "block"
	 } 
   else if(document.search_form.field2.value == "CITE_LABORATORY")  
     {
	 	 for(var i=0;i<document.all.colum2_exp.length;i++){
		 
		 document.all.colum2_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum2_exp[13].style.display = "block"
	 } 	 
   else if(document.search_form.field2.value == "PUBLISHING_COMPANY")  
     {
	 	 for(var i=0;i<document.all.colum2_exp.length;i++){
		 
		 document.all.colum2_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum2_exp[14].style.display = "block"
	 } 	 
   else if(document.search_form.field2.value == "EDITOR_IN_CHIEF")  
     {
	 	 for(var i=0;i<document.all.colum2_exp.length;i++){
		 
		 document.all.colum2_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum2_exp[15].style.display = "block"
	 } 	   
  }  
  
else if (num == "3")
   {
   if(document.search_form.field3.value == "AUTHOR_NAMES")
     {
	 	 for(var i=0;i<document.all.colum3_exp.length;i++){
		 
		 document.all.colum3_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum3_exp[0].style.display = "block"
	 }
   else if(document.search_form.field3.value == "AUTHOR_NAME1")  
     {
	 	 for(var i=0;i<document.all.colum3_exp.length;i++){
		 
		 document.all.colum3_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum3_exp[1].style.display = "block"
	 }  
   else if(document.search_form.field3.value == "SUPERSCRIPTION_CN")  
     {
	 	 for(var i=0;i<document.all.colum3_exp.length;i++){
		 
		 document.all.colum3_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum3_exp[2].style.display = "block"
	 }    
   else if(document.search_form.field3.value == "JOURNAL_NAME")  
     {
	 	 for(var i=0;i<document.all.colum3_exp.length;i++){
		 
		 document.all.colum3_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum3_exp[3].style.display = "block"
	 }    
   else if(document.search_form.field3.value == "ISSN")  
     {
	 	 for(var i=0;i<document.all.colum3_exp.length;i++){
		 
		 document.all.colum3_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum3_exp[4].style.display = "block"
	 }    
   else if(document.search_form.field3.value == "TABLOID_CN")  
     {
	 	 for(var i=0;i<document.all.colum3_exp.length;i++){
		 
		 document.all.colum3_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum3_exp[5].style.display = "block"
	 }    
   else if(document.search_form.field3.value == "ORGANIZATIONS")  
     {
	 	 for(var i=0;i<document.all.colum3_exp.length;i++){
		 
		 document.all.colum3_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum3_exp[6].style.display = "block"
	 }    
   else if(document.search_form.field3.value == "KEYWORD_CN")  
     {
	 	 for(var i=0;i<document.all.colum3_exp.length;i++){
		 
		 document.all.colum3_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum3_exp[7].style.display = "block"
	 }    
   else if(document.search_form.field3.value == "FUND_NAMES")  
     {
	 	 for(var i=0;i<document.all.colum3_exp.length;i++){
		 
		 document.all.colum3_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum3_exp[8].style.display = "block"
	 }    
   else if(document.search_form.field3.value == "CITATION_AUTHOR")  
     {
	 	 for(var i=0;i<document.all.colum3_exp.length;i++){
		 
		 document.all.colum3_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum3_exp[9].style.display = "block"
	 }    
   else if(document.search_form.field3.value == "CITATION_AUTHOR1")  
     {
	 	 for(var i=0;i<document.all.colum3_exp.length;i++){
		 
		 document.all.colum3_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum3_exp[10].style.display = "block"
	 } 
   else if(document.search_form.field3.value == "CITATION_DERIVATION")  
     {
	 	 for(var i=0;i<document.all.colum3_exp.length;i++){
		 
		 document.all.colum3_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum3_exp[11].style.display = "block"
	 } 
   else if(document.search_form.field3.value == "CITE_ORGANIZTION")  
     {
	 	 for(var i=0;i<document.all.colum3_exp.length;i++){
		 
		 document.all.colum3_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum3_exp[12].style.display = "block"
	 } 
   else if(document.search_form.field3.value == "CITE_LABORATORY")  
     {
	 	 for(var i=0;i<document.all.colum3_exp.length;i++){
		 
		 document.all.colum3_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum3_exp[13].style.display = "block"
	 } 	 
   else if(document.search_form.field3.value == "PUBLISHING_COMPANY")  
     {
	 	 for(var i=0;i<document.all.colum3_exp.length;i++){
		 
		 document.all.colum3_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum3_exp[14].style.display = "block"
	 } 	 
   else if(document.search_form.field3.value == "EDITOR_IN_CHIEF")  
     {
	 	 for(var i=0;i<document.all.colum3_exp.length;i++){
		 
		 document.all.colum3_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum3_exp[15].style.display = "block"
	 } 	   
  }  
else if (num == "4")
   {
   if(document.search_form.field4.value == "AUTHOR_NAMES")
     {
	 	 for(var i=0;i<document.all.colum4_exp.length;i++){
		 
		 document.all.colum4_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum4_exp[0].style.display = "block"
	 }
   else if(document.search_form.field4.value == "AUTHOR_NAME1")  
     {
	 	 for(var i=0;i<document.all.colum4_exp.length;i++){
		 
		 document.all.colum4_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum4_exp[1].style.display = "block"
	 }  
   else if(document.search_form.field4.value == "SUPERSCRIPTION_CN")  
     {
	 	 for(var i=0;i<document.all.colum4_exp.length;i++){
		 
		 document.all.colum4_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum4_exp[2].style.display = "block"
	 }    
   else if(document.search_form.field4.value == "JOURNAL_NAME")  
     {
	 	 for(var i=0;i<document.all.colum4_exp.length;i++){
		 
		 document.all.colum4_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum4_exp[3].style.display = "block"
	 }    
   else if(document.search_form.field4.value == "ISSN")  
     {
	 	 for(var i=0;i<document.all.colum4_exp.length;i++){
		 
		 document.all.colum4_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum4_exp[4].style.display = "block"
	 }    
   else if(document.search_form.field4.value == "TABLOID_CN")  
     {
	 	 for(var i=0;i<document.all.colum4_exp.length;i++){
		 
		 document.all.colum4_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum4_exp[5].style.display = "block"
	 }    
   else if(document.search_form.field4.value == "ORGANIZATIONS")  
     {
	 	 for(var i=0;i<document.all.colum4_exp.length;i++){
		 
		 document.all.colum4_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum4_exp[6].style.display = "block"
	 }    
   else if(document.search_form.field4.value == "KEYWORD_CN")  
     {
	 	 for(var i=0;i<document.all.colum4_exp.length;i++){
		 
		 document.all.colum4_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum4_exp[7].style.display = "block"
	 }    
   else if(document.search_form.field4.value == "FUND_NAMES")  
     {
	 	 for(var i=0;i<document.all.colum4_exp.length;i++){
		 
		 document.all.colum4_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum4_exp[8].style.display = "block"
	 }    
   else if(document.search_form.field4.value == "CITATION_AUTHOR")  
     {
	 	 for(var i=0;i<document.all.colum4_exp.length;i++){
		 
		 document.all.colum4_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum4_exp[9].style.display = "block"
	 }    
   else if(document.search_form.field4.value == "CITATION_AUTHOR1")  
     {
	 	 for(var i=0;i<document.all.colum4_exp.length;i++){
		 
		 document.all.colum4_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum4_exp[10].style.display = "block"
	 } 
   else if(document.search_form.field4.value == "CITATION_DERIVATION")  
     {
	 	 for(var i=0;i<document.all.colum4_exp.length;i++){
		 
		 document.all.colum4_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum4_exp[11].style.display = "block"
	 } 
   else if(document.search_form.field4.value == "CITE_ORGANIZTION")  
     {
	 	 for(var i=0;i<document.all.colum4_exp.length;i++){
		 
		 document.all.colum4_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum4_exp[12].style.display = "block"
	 } 
   else if(document.search_form.field4.value == "CITE_LABORATORY")  
     {
	 	 for(var i=0;i<document.all.colum4_exp.length;i++){
		 
		 document.all.colum4_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum4_exp[13].style.display = "block"
	 } 	 
   else if(document.search_form.field4.value == "PUBLISHING_COMPANY")  
     {
	 	 for(var i=0;i<document.all.colum4_exp.length;i++){
		 
		 document.all.colum4_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum4_exp[14].style.display = "block"
	 } 	 
   else if(document.search_form.field4.value == "EDITOR_IN_CHIEF")  
     {
	 	 for(var i=0;i<document.all.colum4_exp.length;i++){
		 
		 document.all.colum4_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum4_exp[15].style.display = "block"
	 } 	   
  }    
else if (num == "5")
   {
   if(document.search_form.field5.value == "AUTHOR_NAMES")
     {
	 	 for(var i=0;i<document.all.colum5_exp.length;i++){
		 
		 document.all.colum5_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum5_exp[0].style.display = "block"
	 }
   else if(document.search_form.field5.value == "AUTHOR_NAME1")  
     {
	 	 for(var i=0;i<document.all.colum5_exp.length;i++){
		 
		 document.all.colum5_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum5_exp[1].style.display = "block"
	 }  
   else if(document.search_form.field5.value == "SUPERSCRIPTION_CN")  
     {
	 	 for(var i=0;i<document.all.colum5_exp.length;i++){
		 
		 document.all.colum5_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum5_exp[2].style.display = "block"
	 }    
   else if(document.search_form.field5.value == "JOURNAL_NAME")  
     {
	 	 for(var i=0;i<document.all.colum5_exp.length;i++){
		 
		 document.all.colum5_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum5_exp[3].style.display = "block"
	 }    
   else if(document.search_form.field5.value == "ISSN")  
     {
	 	 for(var i=0;i<document.all.colum5_exp.length;i++){
		 
		 document.all.colum5_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum5_exp[4].style.display = "block"
	 }    
   else if(document.search_form.field5.value == "TABLOID_CN")  
     {
	 	 for(var i=0;i<document.all.colum5_exp.length;i++){
		 
		 document.all.colum5_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum5_exp[5].style.display = "block"
	 }    
   else if(document.search_form.field5.value == "ORGANIZATIONS")  
     {
	 	 for(var i=0;i<document.all.colum5_exp.length;i++){
		 
		 document.all.colum5_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum5_exp[6].style.display = "block"
	 }    
   else if(document.search_form.field5.value == "KEYWORD_CN")  
     {
	 	 for(var i=0;i<document.all.colum5_exp.length;i++){
		 
		 document.all.colum5_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum5_exp[7].style.display = "block"
	 }    
   else if(document.search_form.field5.value == "FUND_NAMES")  
     {
	 	 for(var i=0;i<document.all.colum5_exp.length;i++){
		 
		 document.all.colum5_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum5_exp[8].style.display = "block"
	 }    
   else if(document.search_form.field5.value == "CITATION_AUTHOR")  
     {
	 	 for(var i=0;i<document.all.colum5_exp.length;i++){
		 
		 document.all.colum5_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum5_exp[9].style.display = "block"
	 }    
   else if(document.search_form.field5.value == "CITATION_AUTHOR1")  
     {
	 	 for(var i=0;i<document.all.colum5_exp.length;i++){
		 
		 document.all.colum5_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum5_exp[10].style.display = "block"
	 } 
   else if(document.search_form.field5.value == "CITATION_DERIVATION")  
     {
	 	 for(var i=0;i<document.all.colum5_exp.length;i++){
		 
		 document.all.colum5_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum5_exp[11].style.display = "block"
	 } 
   else if(document.search_form.field5.value == "CITE_ORGANIZTION")  
     {
	 	 for(var i=0;i<document.all.colum5_exp.length;i++){
		 
		 document.all.colum5_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum5_exp[12].style.display = "block"
	 } 
   else if(document.search_form.field5.value == "CITE_LABORATORY")  
     {
	 	 for(var i=0;i<document.all.colum5_exp.length;i++){
		 
		 document.all.colum5_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum5_exp[13].style.display = "block"
	 } 	 
   else if(document.search_form.field5.value == "PUBLISHING_COMPANY")  
     {
	 	 for(var i=0;i<document.all.colum5_exp.length;i++){
		 
		 document.all.colum5_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum5_exp[14].style.display = "block"
	 } 	 
   else if(document.search_form.field5.value == "EDITOR_IN_CHIEF")  
     {
	 	 for(var i=0;i<document.all.colum5_exp.length;i++){
		 
		 document.all.colum5_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum5_exp[15].style.display = "block"
	 } 	   
  }  
  
else if (num == "6")
   {
   if(document.search_form.field6.value == "AUTHOR_NAMES")
     {
	 	 for(var i=0;i<document.all.colum6_exp.length;i++){
		 
		 document.all.colum6_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum6_exp[0].style.display = "block"
	 }
   else if(document.search_form.field6.value == "AUTHOR_NAME1")  
     {
	 	 for(var i=0;i<document.all.colum6_exp.length;i++){
		 
		 document.all.colum6_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum6_exp[1].style.display = "block"
	 }  
   else if(document.search_form.field6.value == "SUPERSCRIPTION_CN")  
     {
	 	 for(var i=0;i<document.all.colum6_exp.length;i++){
		 
		 document.all.colum6_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum6_exp[2].style.display = "block"
	 }    
   else if(document.search_form.field6.value == "JOURNAL_NAME")  
     {
	 	 for(var i=0;i<document.all.colum6_exp.length;i++){
		 
		 document.all.colum6_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum6_exp[3].style.display = "block"
	 }    
   else if(document.search_form.field6.value == "ISSN")  
     {
	 	 for(var i=0;i<document.all.colum6_exp.length;i++){
		 
		 document.all.colum6_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum6_exp[4].style.display = "block"
	 }    
   else if(document.search_form.field6.value == "TABLOID_CN")  
     {
	 	 for(var i=0;i<document.all.colum6_exp.length;i++){
		 
		 document.all.colum6_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum6_exp[5].style.display = "block"
	 }    
   else if(document.search_form.field6.value == "ORGANIZATIONS")  
     {
	 	 for(var i=0;i<document.all.colum6_exp.length;i++){
		 
		 document.all.colum6_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum6_exp[6].style.display = "block"
	 }    
   else if(document.search_form.field6.value == "KEYWORD_CN")  
     {
	 	 for(var i=0;i<document.all.colum6_exp.length;i++){
		 
		 document.all.colum6_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum6_exp[7].style.display = "block"
	 }    
   else if(document.search_form.field6.value == "FUND_NAMES")  
     {
	 	 for(var i=0;i<document.all.colum6_exp.length;i++){
		 
		 document.all.colum6_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum6_exp[8].style.display = "block"
	 }    
   else if(document.search_form.field6.value == "CITATION_AUTHOR")  
     {
	 	 for(var i=0;i<document.all.colum6_exp.length;i++){
		 
		 document.all.colum6_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum6_exp[9].style.display = "block"
	 }    
   else if(document.search_form.field6.value == "CITATION_AUTHOR1")  
     {
	 	 for(var i=0;i<document.all.colum6_exp.length;i++){
		 
		 document.all.colum6_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum6_exp[10].style.display = "block"
	 } 
   else if(document.search_form.field6.value == "CITATION_DERIVATION")  
     {
	 	 for(var i=0;i<document.all.colum6_exp.length;i++){
		 
		 document.all.colum6_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum6_exp[11].style.display = "block"
	 } 
   else if(document.search_form.field6.value == "CITE_ORGANIZTION")  
     {
	 	 for(var i=0;i<document.all.colum6_exp.length;i++){
		 
		 document.all.colum6_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum6_exp[12].style.display = "block"
	 } 
   else if(document.search_form.field6.value == "CITE_LABORATORY")  
     {
	 	 for(var i=0;i<document.all.colum6_exp.length;i++){
		 
		 document.all.colum6_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum6_exp[13].style.display = "block"
	 } 	 
   else if(document.search_form.field6.value == "PUBLISHING_COMPANY")  
     {
	 	 for(var i=0;i<document.all.colum6_exp.length;i++){
		 
		 document.all.colum6_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum6_exp[14].style.display = "block"
	 } 	 
   else if(document.search_form.field6.value == "EDITOR_IN_CHIEF")  
     {
	 	 for(var i=0;i<document.all.colum6_exp.length;i++){
		 
		 document.all.colum6_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum6_exp[15].style.display = "block"
	 } 	   
  }  
  
else if (num == "7")
   {
   if(document.search_form.field7.value == "AUTHOR_NAMES")
     {
	 	 for(var i=0;i<document.all.colum7_exp.length;i++){
		 
		 document.all.colum7_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum7_exp[0].style.display = "block"
	 }
   else if(document.search_form.field7.value == "AUTHOR_NAME1")  
     {
	 	 for(var i=0;i<document.all.colum7_exp.length;i++){
		 
		 document.all.colum7_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum7_exp[1].style.display = "block"
	 }  
   else if(document.search_form.field7.value == "SUPERSCRIPTION_CN")  
     {
	 	 for(var i=0;i<document.all.colum7_exp.length;i++){
		 
		 document.all.colum7_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum7_exp[2].style.display = "block"
	 }    
   else if(document.search_form.field7.value == "JOURNAL_NAME")  
     {
	 	 for(var i=0;i<document.all.colum7_exp.length;i++){
		 
		 document.all.colum7_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum7_exp[3].style.display = "block"
	 }    
   else if(document.search_form.field7.value == "ISSN")  
     {
	 	 for(var i=0;i<document.all.colum7_exp.length;i++){
		 
		 document.all.colum7_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum7_exp[4].style.display = "block"
	 }    
   else if(document.search_form.field7.value == "TABLOID_CN")  
     {
	 	 for(var i=0;i<document.all.colum7_exp.length;i++){
		 
		 document.all.colum7_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum7_exp[5].style.display = "block"
	 }    
   else if(document.search_form.field7.value == "ORGANIZATIONS")  
     {
	 	 for(var i=0;i<document.all.colum7_exp.length;i++){
		 
		 document.all.colum7_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum7_exp[6].style.display = "block"
	 }    
   else if(document.search_form.field7.value == "KEYWORD_CN")  
     {
	 	 for(var i=0;i<document.all.colum7_exp.length;i++){
		 
		 document.all.colum7_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum7_exp[7].style.display = "block"
	 }    
   else if(document.search_form.field7.value == "FUND_NAMES")  
     {
	 	 for(var i=0;i<document.all.colum7_exp.length;i++){
		 
		 document.all.colum7_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum7_exp[8].style.display = "block"
	 }    
   else if(document.search_form.field7.value == "CITATION_AUTHOR")  
     {
	 	 for(var i=0;i<document.all.colum7_exp.length;i++){
		 
		 document.all.colum7_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum7_exp[9].style.display = "block"
	 }    
   else if(document.search_form.field7.value == "CITATION_AUTHOR1")  
     {
	 	 for(var i=0;i<document.all.colum7_exp.length;i++){
		 
		 document.all.colum7_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum7_exp[10].style.display = "block"
	 } 
   else if(document.search_form.field7.value == "CITATION_DERIVATION")  
     {
	 	 for(var i=0;i<document.all.colum7_exp.length;i++){
		 
		 document.all.colum7_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum7_exp[11].style.display = "block"
	 } 
   else if(document.search_form.field7.value == "CITE_ORGANIZTION")  
     {
	 	 for(var i=0;i<document.all.colum7_exp.length;i++){
		 
		 document.all.colum7_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum7_exp[12].style.display = "block"
	 } 
   else if(document.search_form.field7.value == "CITE_LABORATORY")  
     {
	 	 for(var i=0;i<document.all.colum7_exp.length;i++){
		 
		 document.all.colum7_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum7_exp[13].style.display = "block"
	 } 	 
   else if(document.search_form.field7.value == "PUBLISHING_COMPANY")  
     {
	 	 for(var i=0;i<document.all.colum7_exp.length;i++){
		 
		 document.all.colum7_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum7_exp[14].style.display = "block"
	 } 	 
   else if(document.search_form.field7.value == "EDITOR_IN_CHIEF")  
     {
	 	 for(var i=0;i<document.all.colum7_exp.length;i++){
		 
		 document.all.colum7_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum7_exp[15].style.display = "block"
	 } 	   
  }  
  
else if (num == "8")
   {
   if(document.search_form.field8.value == "AUTHOR_NAMES")
     {
	 	 for(var i=0;i<document.all.colum8_exp.length;i++){
		 
		 document.all.colum8_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum8_exp[0].style.display = "block"
	 }
   else if(document.search_form.field8.value == "AUTHOR_NAME1")  
     {
	 	 for(var i=0;i<document.all.colum8_exp.length;i++){
		 
		 document.all.colum8_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum8_exp[1].style.display = "block"
	 }  
   else if(document.search_form.field8.value == "SUPERSCRIPTION_CN")  
     {
	 	 for(var i=0;i<document.all.colum8_exp.length;i++){
		 
		 document.all.colum8_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum8_exp[2].style.display = "block"
	 }    
   else if(document.search_form.field8.value == "JOURNAL_NAME")  
     {
	 	 for(var i=0;i<document.all.colum8_exp.length;i++){
		 
		 document.all.colum8_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum8_exp[3].style.display = "block"
	 }    
   else if(document.search_form.field8.value == "ISSN")  
     {
	 	 for(var i=0;i<document.all.colum8_exp.length;i++){
		 
		 document.all.colum8_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum8_exp[4].style.display = "block"
	 }    
   else if(document.search_form.field8.value == "TABLOID_CN")  
     {
	 	 for(var i=0;i<document.all.colum8_exp.length;i++){
		 
		 document.all.colum8_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum8_exp[5].style.display = "block"
	 }    
   else if(document.search_form.field8.value == "ORGANIZATIONS")  
     {
	 	 for(var i=0;i<document.all.colum8_exp.length;i++){
		 
		 document.all.colum8_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum8_exp[6].style.display = "block"
	 }    
   else if(document.search_form.field8.value == "KEYWORD_CN")  
     {
	 	 for(var i=0;i<document.all.colum8_exp.length;i++){
		 
		 document.all.colum8_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum8_exp[7].style.display = "block"
	 }    
   else if(document.search_form.field8.value == "FUND_NAMES")  
     {
	 	 for(var i=0;i<document.all.colum8_exp.length;i++){
		 
		 document.all.colum8_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum8_exp[8].style.display = "block"
	 }    
   else if(document.search_form.field8.value == "CITATION_AUTHOR")  
     {
	 	 for(var i=0;i<document.all.colum8_exp.length;i++){
		 
		 document.all.colum8_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum8_exp[9].style.display = "block"
	 }    
   else if(document.search_form.field8.value == "CITATION_AUTHOR1")  
     {
	 	 for(var i=0;i<document.all.colum8_exp.length;i++){
		 
		 document.all.colum8_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum8_exp[10].style.display = "block"
	 } 
   else if(document.search_form.field8.value == "CITATION_DERIVATION")  
     {
	 	 for(var i=0;i<document.all.colum8_exp.length;i++){
		 
		 document.all.colum8_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum8_exp[11].style.display = "block"
	 } 
   else if(document.search_form.field8.value == "CITE_ORGANIZTION")  
     {
	 	 for(var i=0;i<document.all.colum8_exp.length;i++){
		 
		 document.all.colum8_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum8_exp[12].style.display = "block"
	 } 
   else if(document.search_form.field8.value == "CITE_LABORATORY")  
     {
	 	 for(var i=0;i<document.all.colum8_exp.length;i++){
		 
		 document.all.colum8_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum8_exp[13].style.display = "block"
	 } 	 
   else if(document.search_form.field8.value == "PUBLISHING_COMPANY")  
     {
	 	 for(var i=0;i<document.all.colum8_exp.length;i++){
		 
		 document.all.colum8_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum8_exp[14].style.display = "block"
	 } 	 
   else if(document.search_form.field8.value == "EDITOR_IN_CHIEF")  
     {
	 	 for(var i=0;i<document.all.colum8_exp.length;i++){
		 
		 document.all.colum8_exp[i].style.display = "none";
		 
		 }
		 
		 document.all.colum8_exp[15].style.display = "block"
	 } 	   
  }  
  
}