function PopupWindow(pageURL, w, h, r) 
{
    var left = (screen.width/2)-(w/2);
    var top = (screen.height/2)-(h/2);
    var re = 'no';
    var sc = 'no';
    
    if(r == 1)
    {
        re = 'yes';
        sc = 'yes';
    }
    
    var targetWin = window.open (pageURL, '', 'toolbar=no, location=no, directories=no, status=no, menubar=no, copyhistory=no, scrollbars='+sc+', resizable='+re+', width='+w+', height='+h+', top='+top+', left='+left);
} 

function myAlert()
{
    alert("Hello World!");
}