//Create compare page links
function createCompareLink(context, urlState) {
	var checkboxes = document.getElementsByTagName("input");
	var addterms = null;
	var first = true;
	var countChecked = 0;
	
	for(var i = 0; i < checkboxes.length; i++){
		if (checkboxes[i].checked) {
			if (checkboxes[i].name=="Compare"){
				if(first == true){
					addterms = "R-"+escape(checkboxes[i].value);
					first = false;
				} else {
					addterms = addterms + "+" + escape(checkboxes[i].value);
				}	
				countChecked++;
			}

		}
		
	}
	
	//var removeterms = ["Tab","Nrc","No","Nao","Nty","Ntx","D","Dn","Dx","in_dym","in_dim_search"];
	  
	var newurl = context + "/_/" + addterms;
	 
	//newurl = ConstructURL(context, urlState, removeterms, addterms);
	   
	// alert(newurl);
	  
	if (countChecked > 1 && countChecked < 6){
		location = newurl;
	} else if (countChecked < 2){
		alert("Please select at least two items to compare.");
	} else if (countChecked > 5){
		alert("Please select a maximum of five items to compare.");
	}
	
}