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("You need to fill out the field "+shortFieldName+".");
	return false;
	}
	else
	return true;
}