var win;

function OpenWindow(file, width, height)
{
	if (width && height)
	{
		l = screen.width/2 - width/2;
		t = screen.height/2 - height/2;
		win = window.open(file, "", "width="+width+", height="+height+", scrollbars=no, resizable=no, top="+t+", left="+l);
	}	
	else
	{
		width = screen.width - 10;
		height = screen.height - 80;
		win = window.open(file, "", "width="+width+", height="+height+", top=0, left=0, toolbar=no, location=no, status=yes, menubar=no, scrollbars=yes, resizable=no");
	}
}