// Set of functions for getting and setting cookies

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 "";
}