function popup(URL, width, height, janela) {  
   window.open(URL,janela, 'width='+width+', height='+height+', top=50, left=50, scrollbars=no, status=no, toolbar=no, location=no, directories=no, menubar=no, resizable=no, fullscreen=no');

}

   function popupadmin(URL, width, height, janela) {    
   window.open(URL,janela, 'width='+width+', height='+height+', top=50, left=50, scrollbars=yes, status=no, toolbar=no, location=yes, directories=no, menubar=no, resizable=yes, fullscreen=yes');

}
    function janela(URL, width, height, janela) {  
   window.open(URL,janela, 'width='+width+', height='+height+', top=50, left=50, scrollbars=no, status=no, toolbar=no, location=no, directories=no, menubar=no, resizable=no, fullscreen=no');

}