function setCookie(c_name, value, expiredays, path)
{
	var exdate = new Date();
	exdate.setDate(exdate.getDate()+expiredays);

	document.cookie = c_name + "=" + escape(value) +
	((expiredays==null) ? "" : ";expires="+exdate.toGMTString()) +
	((path) ? ";path=" + path : "" );		
}


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 "";
}