function openWin(winURL, winName, winOptions) {
	win = window.open(winURL, winName, winOptions);
	win.focus();
}

var win = null;
function NewWindow(mypage,myname,w,h,scrolling) {
	var leftPosition = (screen.width) ? (screen.width-w)/2 : 0,
		topPosition = (screen.height) ? (screen.height-h)/2 : 0,
		settings = 'height='+h+',width='+w+',top='+topPosition+',left='+leftPosition+',scrollbars='+scrolling+',resizable=no';
	win = window.open(mypage,myname,settings);
}