function parseURL(){
//** parseURL ***
var str = document.location;
document.xxx.yyy.value = str
var text = document.xxx.yyy.value

var theleft = text.indexOf('=') + 1;
var theright = text.indexOf('&');
menuX=text.substring(theleft, theright);

var theleft = text.lastIndexOf('=') + 1;
var theright = text.lastIndexOf('&');
langX=text.substring(theleft, theright);
}