// JScript File
function PopupWin(url, wWidth, wHeight) {
    //var wWidth = 500;   
    //var wHeight = 600;   
    var iLeft = ((window.screen.availWidth - wWidth) / 2);   
    var iTop = (window.screen.availHeight - wHeight) / 2;   
    window.open(url,"","left = " + iLeft + ",top = " + iTop + ",height=" + wHeight + ",width=" + wWidth + ",scrollbars=no,location=no","");
}