//Função abre pop-up
function openWin(sURL, iWidth, iHeight)
	{
		var newWindow = window.open(sURL,"Nome","status=no,menubar=no,height="+ iHeight +",width="+ iWidth +", scrollbars=no, top="+ (screen.height - iHeight)/2 +",left="+(screen.width - iWidth)/2 + "directories=no");
		newWindow.focus( );
	}