function ConfirmDelete()
{
    return confirm("Are you sure you want to delete the selected item?");
}
function PopUp(url, width, height, name)
{
	if(!width) width = 780;
	if(!height) height = 560;
	if(!name) name = null;
	var left = (screen.width/2) - (width/2);
	var top = (screen.height/2) - (height/2);
	var win;
	win = window.open(url, name, 'left=' + left + ',top=' + top + ',width=' + width + ',height=' + height + ',toolbar=0,resizable=0,scrollbars=1');
	win.focus();
	return(win);
}