//---------------------------------------
// popup window script with centering
// written by eric thunberg
//---------------------------------------

	function openwin(url,width,height) 
	{
		var posx, posy;

		posx = ( screen.width / 2 ) - ( width / 2 );
		posy = ( ( screen.height - 100 ) / 2 ) - ( height / 2 );

		window.open(url,'1','width='+width+',height='+height+',resizable=0,scrollbars=1,directories=0,status=0,menubar=0,left='+posx+',top='+posy+''); 
	}