//catpure query string items
function getArgs() {
	var args = new Object();
	var query = location.search.substring(1);
	var pairs = query.split("&");
	for(var i=0; i<pairs.length; i++){
		var pos = pairs[i].indexOf('=');
		if (pos == -1) continue;
		var argname = pairs[i].substring(0,pos);
		var value = pairs[i].substring(pos+1);
		args[argname] = unescape(value);
		}
	return args;
}