function setActiveStyleSheet(title,vclass) {
	var links = document.getElementsByTagName("link");
	for(var i=0;i<links.length;i++){
		if(links[i].className) {
			if(links[i].className == vclass) {
				var linktitle = links[i].getAttribute("title");
				links[i].disabled = true;
				if(linktitle){
					if(linktitle == title){
						var parent = links[i].parentNode;
						var attrs = links[i].attributes;
						parent.removeChild(links[i]);
						var link = document.createElement("link");
			   			link.disabled = true;
						for(var j=0;j<attrs.length;j++){
		           			var nodeValue = attrs[j].nodeValue;
		           			var nodeName = attrs[j].nodeName;
		           			if(nodeValue){
		                		if(nodeName=="rel"){
		                    		nodeValue="stylesheet";
								}
								if(nodeName=="class"){
			                		link.setAttribute("className",nodeValue);
								}
			                	link.setAttribute(nodeName,nodeValue);
							}
						}
						parent.appendChild(link);
						link.disabled = false;
		           	}
				}
			}
		}
	}

	return;
}
var cookieExpire = 24*60*60*1000; //ˆê“ú
function setCookie(ckname, ckval)
{
	ckval = escape(ckval); 
	var expireDate = new Date();
	expireDate.setTime(expireDate.getTime() + cookieExpire);
	var domain = document.domain;
	document.cookie = ckname + "=" + ckval + "; expires=" + expireDate.toGMTString() + "; path=/; domain=" + domain;
}
function getCookie(name){
	var ck = document.cookie.split("; ");

	for (i in ck){
   		var data = ck[i].split("="); 
		if (data[0] == name){
    		var val = unescape(data[1]);
    		return val;
   		}
  	}

	return "";
}