// Client-side webvar access (though this may not work on a page that is the
// result of a POST.  Your mileage may vary...

function getWebvars() {
    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);
        if(args[argname]) {
            args[argname] = args[argname]+','+unescape(value);
        } else {
            args[argname] = unescape(value);
        }
    }
    return args;
}

var webvars = getWebvars()