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 document.cookie.substring(c_start,c_end)
		} 
	}
	return ""
}

function setCookie(c_name,value,expiredays)
{
	var exdate = new Date();
	expiredays = 365;
	exdate.setDate(exdate.getDate() + expiredays);
	document.cookie = c_name + "=" + escape(value) + ((expiredays==null) ? "" : ";expires=" + exdate.toGMTString()) + "; path=/"
}