function check_all(){
   for (i=0;i<document.adminForm.elements.length;i++)
      if(document.adminForm.elements[i].type == "radio")
         document.adminForm.elements[i].checked=1;
} 

function uncheck_all(){
   for (i=0;i<document.adminForm.elements.length;i++)
      if(document.adminForm.elements[i].type == "radio")
         document.adminForm.elements[i].checked=0;
} 


function desmarca(objRadio) {
  // <input type="button" name="botao" value="desmarcar" onclick="desmarca(document.form.exemplo)"
  for (var i=0; i < objRadio.length; i++)
      objRadio[i].checked = false;
}


function checkOptionPayNext(id){
  //alert(id);
  var option_id = "";
   for (i=0;i<document.adminForm.elements.length;i++)
      if(document.adminForm.elements[i].type == "radio") {
        if (document.adminForm.elements[i].id == id) {          
          option_id = (document.adminForm.elements[i+1].id).substr(0,3);
          if (option_id == "vbv" ||  option_id == "mcd" || option_id == "ptb")
            document.adminForm.elements[i+1].checked=1;
        }
      }
        
}