After added this code window close button stop working.

if we remove these three properties it works fine
        oWnd.SetWidth(width);
        oWnd.SetHeight(height);
        oWnd.center();


function openWin(url) {
        var oWnd = radopen(url, "RadWindow22");
        oWnd.SetWidth(width);
        oWnd.SetHeight(height);
        oWnd.center();
    }