function DeSel(nome)
{
   var btn = document.forms['insertform'].elements[nome];
   for(var i=0; i<btn.length; i++) 
   {
     btn[i].checked = false;
   }
   
}

function DeSelCk(nome)
{
   document.forms['insertform'].elements[nome].checked = false;  
}

function dotcifer(obj) {
  obj.value=obj.value.replace(',','.');
}