// JavaScript Document
//加入收藏夹代码
function addBookmark()   
{
	window.external.AddFavorite(window.location,"辽东学院教务处网站");
} 
 
//设为首页代码
function setHomepage()
{
    document.body.style.behavior="url(#default#homepage)";
    document.body.setHomePage(window.location);
}

//设置背景
function chg_bg()
{
	bg_n=Math.floor(Math.random()*20+1);
	document.body.background="../_Images/body_bg"+bg_n+".gif";
	this.tb1.background="../UploadFiles/bg_Img/bg"+bg_n+".jpg";
}