function openWindow( selectBox )
	{	   	var urlToOpen = selectBox[document.getElementById('filiales').selectedIndex].value;
	   	var validUrl = true;
	   	
	   	if( urlToOpen == '' )
	   	{	   		validUrl = false;
	   	}
	   	if( validUrl )
	   	{	   		window.open( urlToOpen, 'name', 'width='+screen.width+',height='+screen.height+',scrollbars=yes,location=yes,directories=yes,status=0,menubar=yes,toolbar=yes,resizable=yes' );
	   	}	}