function PopUpShowing(sender, eventArgs) {
    var popUp = eventArgs.get_popUp();
    var gridWidth = sender.get_element().offsetWidth;
    var gridHeight = sender.get_element().offsetHeight;
    var popUpWidth = popUp.style.width.substr(0, popUp.style.width.indexOf("px"));
    var popUpHeight = popUp.style.height.substr(0, popUp.style.height.indexOf("px"));
    popUp.style.left = ((gridWidth - popUpWidth) / 2 + sender.get_element().offsetLeft).toString() + "px";
    popUp.style.top = ((gridHeight - popUpHeight) / 2 + sender.get_element().offsetTop).toString() + "px";
}

function GetRadWindow() {
    var oWindow = null;
    if (window.radWindow) oWindow = window.radWindow; //Will work in Moz in all cases, including clasic dialog
    else if (window.frameElement.radWindow) oWindow = window.frameElement.radWindow; //IE (and Moz as well)

    return oWindow;
}

function ClosePopup() {
    GetRadWindow().close();
}

function CloseRefreshPopup(args) {
    GetRadWindow().BrowserWindow.refreshGrid(args);
    GetRadWindow().close();
}