function openBrWindow(url, id, breite, hoehe) {

	var positionX=((screen.availWidth / 2) - breite / 2);
	var positionY=((screen.availHeight / 2) - hoehe / 2);

	popup = window.open(url,id,'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=,resizable=auto,fullscreen=no,width='+breite+',height='+hoehe+',top='+positionY+',left='+positionX);

	popup.resizeTo(breite,hoehe);
	popup.moveTo(positionX,positionY);
	
	}

function bbvtry()  {	

	var id_gal;	
	id_gal=document.form1.id_project[document.form1.id_project.selectedIndex].value;        
	location = ("index.php?article_id="+id_gal);
}