// created by Lion 
function createCookie(name,value,days){
    if(days!=null)
    {
      var date = new Date();
      date.setTime(date.getTime()+(days*24*60*60*1000));
      var expires = "; expires="+date.toGMTString();
     }
     else var expires = "";
     document.cookie = name+"="+value+expires;
}
function readCookie(name){
     var nameEQ = name + "=";
     var ca = document.cookie.split(";");
     if(ca!=null&&ca!=undefined&&ca!=0){
        for(var i=0;i < ca.length;i++)
        {
            var c = ca[i];
            while (c.charAt(0)=="" ) {
                c = c.substring(1,c.length);
            }
            if (c.indexOf(nameEQ) == 0) {
                return c.substring(nameEQ.length,c.length);
                }
        }
     }
     else{
        return null;
     }
}
function switchOnOut(id){
    var lst =["sky","brown","green","purple","pink","orange"];
    for(var i in lst)
        document.getElementById(lst[i]).className="out";
    document.getElementById(id).className="on";
}
function changeStyle(cssfile){
    //var head = document.getElementsByTagName("head");
    var css = document.createElement("link");
    css.href="/css/"+cssfile;
    css.rel="stylesheet";
    css.type="text/css";
    document.body.appendChild(css);
    createCookie("defaultcss",cssfile,7);
    var idname= cssfile.substring(0,cssfile.indexOf(".css"));
    switchOnOut(idname);
}

function PageLoad(){
	//var Theme = new ThemeControl(["grown","sky2","green","purple","pink","orange"]);
	var csscookie=readCookie("defaultcss");
    if(csscookie!=null) {
        changeStyle(csscookie);
    }
    else{
        createCookie("defaultcss","sky.css",7);
        document.getElementById("sky").className="on";
    }
}


<!--
function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}
//-->