// JavaScript Document
function changeStyle(id,len,obj,class1,class2){
	for(var i = 1; i <= len; i++){
		if(id == i){
			document.getElementById(obj+i).className = class1;
			}else{
			document.getElementById(obj+i).className = class2;
			}
		}
	}
	
//ÁôÑÔ
function checkForm(f){
	if(f.lname.value == ""){
		alert("ÇëÌîдÐÕÃû");
		f.lname.select();
		return false;
		}
	if(f.ltitle.value == ""){
		alert("ÇëÌîдÁôÑÔ±êÌâ");
		f.ltitle.select();
		return false;
		}
	if(f.lcontent.value == ""){
		alert("ÇëÌîдÁôÑÔÄÚÈÝ");
		f.lcontent.select();
		return false;
		}
	return true;
	}