function TABEnter(oEvent){
  var oEvent = (oEvent)? oEvent : event;
  var oTarget =(oEvent.target)? oEvent.target : oEvent.srcElement;
  if(oEvent.keyCode==13)
    oEvent.keyCode = 9;
  if(oTarget.type=="text" && oEvent.keyCode==13)
    //return false;
    oEvent.keyCode = 9;
  if (oTarget.type=="radio" && oEvent.keyCode==13)
    oEvent.keyCode = 9;
}

function verificacontato(){
   AtualizaContato();  
}

function mascaranum(evento, objeto){
	var keypress=(window.event)?event.keyCode:evento.which;
	campo = eval (objeto);
	if (campo.value == '00/00/0000'){
		campo.value=""
	}

	caracteres = '0123456789';
	separacao1 = '/';
	conjunto1 = 10;
	conjunto2 = 15;
	
	if(keypress < 48) {
	  event.returnValue = false;
	  return;
	}  

	if(keypress > 57) {
	  event.returnValue = false;
	  return;
	}  
	
	if ((caracteres.search(String.fromCharCode (keypress))!=-1) && campo.value.length < (4))
	{
		if (campo.value.length == conjunto1 )
		campo.value = campo.value + separacao1;
		else if (campo.value.length == conjunto2)
		campo.value = campo.value + separacao1;
	}
	else
		event.returnValue = false;
}