function checkrequired(which) {
  var pass=true;
  if (document.images) {
    for (i=0;i<which.length;i++) {
      var tempobj=which.elements[i];
      if (tempobj.name.substring(0,8)=="required") {
        if (((tempobj.type=="text" || tempobj.type=="textarea") && tempobj.value=='') || (tempobj.type.toString().charAt(0)=="s" && tempobj.selectedIndex==0)) {
          pass=false;
          break;
        }
      }
    }
  }

  if (!pass) {
    shortFieldName=tempobj.name.substring(8,30).toUpperCase();
    alert("Please make sure the "+shortFieldName+" field is properly completed.");
	tempobj.focus();
    return false;
  } else return true;

}