function abrirjanela(endereco, largura, altura, rel_esquerda, rel_topo, rolagem)
{
      var now1 = new Date();
      var mName1 = now1.getMonth() + 1;
      var dName1 = now1.getDate();
      var dayNr1 = now1.getDate();
      var yearNr1=now1.getYear();
      var nHours1 = now1.getHours();
      var nMinutes1 = now1.getMinutes();
      var nSeconds1 = now1.getSeconds();
      var nome_janela = dName1+mName1+yearNr1+nHours1+nMinutes1+nSeconds1;
	  
      popJoca = window.open(endereco, nome_janela,'toolbar=0,scrollbars='+rolagem+',location=0,directories=0,copyhistory=0,status=0,menubar=0,resizable=0,width='+largura+',height='+altura+',z-lock,screenX=90,screenY=100, Left='+rel_esquerda+', Top='+rel_topo);
      //if (popJoca.open) { popJoca.focus();}
}