function popup(url, width, height)
{
	newwidth = width + 50;
	newheight = height + 50;
	
	var left =(screen.availWidth - newwidth) / 2;
	var top =(screen.availHeight - newheight) / 2;
		
	newwindow=window.open(url,'FOSPIC','height=' + newheight + ', width=' + newwidth + ', scrollbars=no');
	if (window.focus) {newwindow.focus()}
	return false;
}