function popitup(url, w, h)
{
    var x = 0, y = 0; // default values
    if (document.all) {
      x = window.screenLeft + 20;
      y = window.screenTop + 20;
    }
    else if (document.layers) {
      x = window.screenX + 20;
      y = window.screenY + 20;
    }
	newwindow=window.open(url,'iokiopopitup','status=0,toolbar=0,location=0,menubar=0,directories=0,resizable=1,scrollbars=1,height='+h+',width='+w+',top='+y+',left='+x+',screenX='+x+',screenY='+y);
	if (window.focus) {newwindow.focus()}
	return false;
}