<script type="text/javascript">
window.showModalDialog = function (url, arg, feature) {
   var opFeature = feature.split(";");
   var featuresArray = new Array()
   if (document.all) {
       for (var i = 0; i < opFeature.length - 1; i++) {
            var f = opFeature[i].split("=");
           featuresArray[f[0]] = f[1];
        }
   }
   else {
        for (var i = 0; i < opFeature.length - 1; i++) {
            var f = opFeature[i].split(":");
           featuresArray[f[0].toString().trim().toLowerCase()] = f[1].toString().trim();
        }
   }

   var h = "200px", w = "400px", l = "100px", t = "100px", r = "yes", c = "yes", s = "no";
   if (featuresArray["dialogheight"]) h = featuresArray["dialogheight"];
   if (featuresArray["dialogwidth"]) w = featuresArray["dialogwidth"];
   if (featuresArray["dialogleft"]) l = featuresArray["dialogleft"];
   if (featuresArray["dialogtop"]) t = featuresArray["dialogtop"];
   if (featuresArray["resizable"]) r = featuresArray["resizable"];
   if (featuresArray["center"]) c = featuresArray["center"];
   if (featuresArray["status"]) s = featuresArray["status"];
   var modelFeature = "height = " + h + ",width = " + w + ",left=" + l + ",top=" + t + ",model=yes,alwaysRaised=yes" + ",resizable= " + r + ",celter=" + c + ",status=" + s;
   var model = window.open(url, "", modelFeature, null);

   model.dialogArguments = arg;
}
</script>