return url.slice(0,url.lastIndexOf('/'));
}
+function setParam(url,name,value)
+{
+ var urla = url.split("?");
+ var search = urla[1];
+ var args = search.split("&");
+
+ for (var i = 0 ; i < args.length ; i++) {
+ var couple = args[i].split("=");
+ if (couple[0] == name) args[i] = name + "=" + value;
+ }
+
+
+ return (urla[0] + "?" + args.join("&"));
+}
+
+function extractParam(url,name)
+{
+ var search = url.split("?")[1];
+ var args = search.split("&");
+ var value = "???";
+
+ for (var i = 0 ; i < args.length ; i++) {
+ var couple = args[i].split("=");
+ if (couple[0] == name) value = couple[1];
+ }
+
+ if (value == "???") value = getDefaultParam(name);
+
+ return value;
+}
+
function getParam(name)
{
var search = location.search;