function abrePopUp( objNome ){	
		//var vT;
		//var vL;
		
		//vT = (window.screen.height/2) - (330/2);
		//vT = (vT-40);
		//vL = (window.screen.width/2) - (467/2);	

		popup = document.getElementById( objNome );
		
		//popup.style.left = vL + 'px';
		//popup.style.top = vT + 50 + 'px';
		
		popup.style.display = 'inline';
	}

	function fechaPopUp( objNome ){
		popup = document.getElementById( objNome );
		popup.style.display = 'none';	
	}