// create/read/erase cookie
function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "="; 
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
  createCookie(name,"",-1);
}

function goSelect(select) {
    if (select && select.selectedIndex >= 0 && select.options[select.selectedIndex].value.substr(0, 4) == "http") {
        var url = select.options[select.selectedIndex].value;
        track(url);
        location.href=url;
    }
}

function track(url) {
    if (typeof (pageTracker) != 'undefined' && url && url.length > 7) {
        var point = url.indexOf("//") + 2;
        if (point > 2) {
            pageTracker._trackPageview('/outgoing/' + url.substr(point));
        }
    }
}