// 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));
			}
		  }
		return null;
	}