// JavaScript Document
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.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));
   	 	}	 
  	}
}