<!-- 
var myWin = null;

    function openWindow(url,height){
            if (!myWin || myWin.closed){ 
                    var options = "top=100,left=100,width=400,height=" + height + ",menubar=0,location=0,status=1,resize=1";
                    myWin = open(url, "myWindow", options);
            }else{
                    // update the window
                    myWin.location.href = url;
            }
            // bring window to front
            myWin.focus();
    }
//-->