var site_dir = "whocares"
function create_url(append)
{
	var reg = RegExp("^(http:\/\/[^\/]+[\/"+site_dir+"]*[\/index.php]*\/)");
	var matches = reg.exec(document.URL);
	var url = matches[1];
	if(url.substring(url.length-1) == "/")
		url = url.substring(0,url.length-1);
	return(url+"/"+append);
}