// JavaScript Document

function aviso_legal(theURL,winName,features,xx,yy) { 
	  var w=window.screen.width; 
	  var h=window.screen.height;
	  var W=xx;
	  var H=yy;
	  var X=Math.ceil((w-W)/2);
	  var Y=Math.ceil((h-H)/2);   
	  commWin =  window.open(theURL,winName,features); 
	  commWin.focus();
	  commWin.moveTo(X,Y)
}