var _client = 'old';
var browser=navigator.appName;
var ver=parseInt(navigator.appVersion);
if (ver >= 3) _client="ok";
if (browser == "Microsoft Internet Explorer") _client='ie';
function popup(url,w,h) {
        urllength = url.length;
                winame = url.substring((urllength-9),(urllength-5))
                title = winame
                if (_client == "ok") {
                        winparams = 'toolbar=0,location=0,left=100,top=100,directories=0,status=0,menubar=0,resizable=1,scrollbars=0,width=' + w + ',height=' + h  ;
                        winame = open(url,winame,winparams);
                        history.go(url);
                        document.close()
                        winame.focus();
                }
                if (_client == "ie") {
                        baseurl = location.href;
                        winparams = 'toolbar=0,location=0,left=100,top=100,directories=0,status=0,menubar=0,resizable=1,scrollbars=0,width=' + w + ',height=' + h ;
                        winame = open(url,winame,winparams);
                        document.close();
                        if  (ver > 3) winame.focus();
                }
                if (_client == "old") {
                        baseurl = location.href;
                        winparams = 'toolbar=0,location=0,left=100,top=100,directories=0,status=0,menubar=0,resizable=1,scrollbars=0,width=' + w + ',height=' + h ;
                        winame = open(url,winame,winparams);
                        document.close();
                }
}