Get the parameter from the URL

1<script language="JavaScript">
2sUrl = location.search;
3sIndex = sUrl.indexOf("?url=");
4if( sIndex != -1 )
5{
6     sUrl = sUrl.substring( sIndex+5, sUrl.length );
7}
8</script>

The method can get the one parameter of the URL only, you can write additional code to seprate the parameters.