function setactive(idx){
		var dt = document.getElementById("menu").getElementsByTagName("dt");
		for(var i=0;i<dt.length;i++){
			
			if(idx == parseInt(i+1)){
				var imgpos =  dt[i].childNodes[0].childNodes[0].getAttribute("src").lastIndexOf("/");
				var img = dt[i].childNodes[0].childNodes[0].getAttribute("src").substr(imgpos+1);
				var imgarr = img.split(".");
				dt[i].childNodes[0].childNodes[0].setAttribute("src",'images/'+imgarr[0]+'x.'+imgarr[1]);
			}else{
				var imgpos =  dt[i].childNodes[0].childNodes[0].getAttribute("src").lastIndexOf("/");
				var img = dt[i].childNodes[0].childNodes[0].getAttribute("src").substr(imgpos+1);
				var imgarr = img.split(".");
				if(imgarr[0].substr(parseInt(imgarr[0].length-1)) == "x"){
					dt[i].childNodes[0].childNodes[0].setAttribute("src",
						'images/'+imgarr[0].substr(0,parseInt(imgarr[0].length-1))+'.'+imgarr[1]);
				}
			}
		}
	}

function AddFavorite()
{
   if (document.all)
   {
      window.external.addFavorite('http://www.olife365.com','山水生');
   }
   else if (window.sidebar)
   {
      window.sidebar.addPanel('山水生', 'http://www.olife365.com',  "");
   }
}