function solvisita(URL) {

   var width = 450;
   var height = 500;

   var left = 50;
   var top = 20;

   window.open(URL,'Informacoes', 'width='+width+', height='+height+', top='+top+', left='+left+', status=no, toolbar=no, location=no, directories=no, menubar=no, resizable=no, fullscreen=no');

}