1
function urlConcatenate(base, extra) {
3
if (/\?/.exec(base)) return base + "&" + extra;
4
else return base + "?" + extra;
9
function urlAddProperty(base, name, value) {
10
if (/\?/.exec(base)) return base + "&" + name + "=" + value;
11
else return base + "?" + name + "=" + value;
14
function urlJoinProps(props1, props2, props3, props4, props5) {
18
if (props) props += "&" + props1;
23
if (props) props += "&" + props2;
28
if (props) props += "&" + props3;