function openWin(url, windowName, width, height)
{
	window.open(url, windowName, 'width=' + width + ',height=' + height + ',left=' + ((screen.width / 2) - (width / 2)) + ',top=' + (((screen.height / 2) - (height / 2)) - 10) + ',resizable=1,toolbar=0,scrollbars=1');
}

function ignoreEnter()
{
	return !(window.event && window.event.keyCode == 13); 
}

function goBack()
{
	javascript:history.back();
}