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 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());
};