function validateForm() { 
  var i, success=1;
  var args=validateForm.arguments;
  var formname=args[0];
  
  for (i=1; i<(args.length); i++) {  
	val = eval("document."+formname+"."+args[i]);
		//alert(val.name + "=" + val.value);
    	if (val.value=="") { success=0; }
  } 
 if (success==0){ 
	val = eval("document."+formname+".errormessage");
	alert(val.value);
	return false
 }else{
	return true
 } 
}