function setCookie(c_name,value,expiredays){
   var expiredate=new Date();
   expiredate.setDate(expiredate.getDate()+expiredays);
   document.cookie=c_name+ "=" +escape(value)+
   ((expiredays==null) ? "" : ";expires="+expiredate.toGMTString());
}

function getCookie(c_name){
   if (document.cookie.length>0){
     c_start=document.cookie.indexOf(c_name + "=");
      if (c_start!=-1){
         c_start=c_start + c_name.length+1;
         c_end=document.cookie.indexOf(";",c_start);
         if (c_end==-1) c_end=document.cookie.length;
         return unescape(document.cookie.substring(c_start,c_end));
      }
   }
   return "";
}

function WPChameleon_setVarient(varient){
   setCookie("WPChameleon_varient",varient,100);
   window.location.reload();
}