function openNewWindow(url, title, isShowingToolbar, isScrollable, height, width){
	var newWin=null;
	var h = height;
	var w = width;
	myleft=(screen.width)?(screen.width-w)/2:100;
	mytop=(screen.height)?(screen.height-h)/2:100;
	settings="width=" + w + ",height=" + h + ",top=" + mytop + ",left=" + myleft + ",toolbar=" + isShowingToolbar + ",scrollbars=" + isScrollable + ",location=no,directories=no,status=no,menubar=no,resizable=yes";
	newWin=window.open(url,title,settings);
	newWin.focus();	
}