function openWindow(href, title, scroll, resizable, width, height, position)
{
	if(scroll != "yes")
	{
		scroll = "no";
	}

	if(resizable != "yes")
	{
		resizable = "no";
	}

	if(position != 'center')
	{
		xx = window.open(href, title, 'toolbar=no, scrollbars=' + scroll + ', menubar=no, directories=no, status=no, resizable=' + resizable + ', width=' + width + ', height=' + height);
	}
	else
	{
		this_top = (screen.height - height) / 2;
		this_left = (screen.width - width) / 2;
		xx = window.open(href, title, 'toolbar=no, scrollbars=' + scroll + ', menubar=no, directories=no, status=no, resizable=' + resizable + ', width=' + width + ', height=' + height + ', top=' + this_top + ', left=' + this_left);
	}

	xx.focus();
}