function window.onload()
 {

	var thisskin;
	thisskin=GetCookie("nowskin");
	if(thisskin!=""&&1>2)
	    cssStyle.href='images/'+thisskin;
	else
	{


	    cssStyle.href='images/'+defaultcolor;
	}

     //setActiveStyleSheet('red.css');//当然'css1.css'是从数据库或Session中读取的初始CSS链接地址。具体实现我就不多说了
 }
 function setActiveStyleSheet(CSSLink)
 {
     cssStyle.href='images/'+CSSLink;

       var expdate=new Date();
       //expdate.setTime(expdate.getTime()+(24*60*60*1000*30));
       expdate.setTime(expdate.getTime()+(30));
       //expdate=null;
                   //以下设置COOKIES时间为1年,自己随便设置该时间..
       SetCookie("nowskin",CSSLink,expdate,"/",null,false);
 }
function SetCookie(name,value){
    var argv=SetCookie.arguments;
    var argc=SetCookie.arguments.length;
    var expires=(2<argc)?argv[2]:null;
    var path=(3<argc)?argv[3]:null;
    var domain=(4<argc)?argv[4]:null;
    var secure=(5<argc)?argv[5]:false;
    document.cookie=name+"="+escape(value)+((expires==null)?"":("; expires="+expires.toGMTString()))+((path==null)?"":("; path="+path))+((domain==null)?"":("; domain="+domain))+((secure==true)?"; secure":"");
}

function GetCookie(Name) {
    var search = Name + "=";
    var returnvalue = "";
    if (document.cookie.length > 0) {
       offset = document.cookie.indexOf(search);
       if (offset != -1) {   
          offset += search.length;
          end = document.cookie.indexOf(";", offset);            
          if (end == -1)
             end = document.cookie.length;
          returnvalue=unescape(document.cookie.substring(offset,end));
       }
    }
    return returnvalue;
}