JS Cookies with jQuery alerts on pageload

cookies.js

;

//cookie functions
function setCookie(c_name,value,expiredays){
 var exdate=new Date();
 exdate.setDate(exdate.getDate()+expiredays);
 document.cookie=c_name+ "=" +escape(value)+
 ((expiredays==null) ? "" : ";expires="+exdate.toUTCString());
}
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(){
  $(".xcontinue").click(function(){ $(".alert").fadeOut(); }); 
  $(".xclose").click(function(){ $(".alert").fadeOut(); setCookie("alert","true",1); }); 

alert_trig=getCookie('alert');
if (alert_trig!="true"){
  if( $(".alert_jsform").length > 0 ){
    var alert_timeout = setTimeout('$(".alert").fadeIn();',500);  
  }  
}

});