function showHideDiv(div, objButton, hdnShowAdvancedId) 
		{	 		 		 	 	
		objButton.value = (objButton.value == 'Advanced Search') ? 'Basic Search' : 'Advanced Search';				
 	
		 if ((document.all) && !(document.getElementById)) 				// IE4
		 {   																 
			 if(document.all(div) !=null){	
				document.all(div).style.display = (document.all(div).style.visibility == 'visible') ? "none" : "inline";	
				document.all(div).style.visibility = (document.all(div).style.visibility == 'visible') ? "hidden" : "visible";
				document.all(hdnShowAdvancedId).value =  (document.all(hdnShowAdvancedId).value == "false") ? "true" : "false";
		 	}
		 } else if (document.layers) {							 					// NS4+ code 		 
			 
			   if(document.layers[div] !='undefined'){
				    document.layers[div].visibility = (document.layers[div].visibility =='show') ? "hide" : "show";
					document.layers(hdnShowAdvancedId).value =  (document.layers(hdnShowAdvancedId).value == "false") ? "true" : "false";
				}
				
		 } else if (document.getElementById) { 									//IE5 NN6
				
				if(document.getElementById(div) !=null){
					document.getElementById(div).style.display = (document.getElementById(div).style.visibility == 'visible') ? "none" : "inline";	
					document.getElementById(div).style.visibility = (document.getElementById(div).style.visibility == 'visible') ? "hidden" : "visible";							
					document.getElementById(hdnShowAdvancedId).value =  (document.getElementById(hdnShowAdvancedId).value == "false") ? "true" : "false";
				}
			} 		

		}