function ErrorCheck() {
var formname = "contactform";
var fieldwithlist = "identicalfields";
var er = new String();
var tempstring = eval("document."+formname+"."+fieldwithlist+".value");
if(tempstring.length > 1) {
   var idi = tempstring.split(',');
   var ts0 = eval("document."+formname+"."+idi[0]+".value");
   var ts1 = eval("document."+formname+"."+idi[1]+".value");
   if(ts0 != ts1) { er = "The email addresses you have entered do not match."; }
   }
if(er.length > 0) {
   alert(er);
   return false;
   }
return true;
}