function validaRS(id)
{
	var txt=document.getElementById(id).value;
	var padrao=/^((\d+|\d{1,3}(\.\d{3})+)(\,\d*)?|\,\d+)$/;
	while((!padrao.test(txt))&&(document.getElementById(id).value!=""))
	{
		document.getElementById(id).value=txt.substring(0,(txt.length-1));
		txt=document.getElementById(id).value;
	}
}
function validaInt(id)
{
	var txt=document.getElementById(id).value;
	var padrao=/^\d+$/;
	while((!padrao.test(txt))&&(document.getElementById(id).value!=""))
	{
		document.getElementById(id).value=txt.substring(0,(txt.length-1));
		txt=document.getElementById(id).value;
	}
}
function validaData(campo) {
	var valida;
	var expReg = /^((0?[1-9]|[12]\d)\/(0?[1-9]|1[0-2])|30\/(0?[13-9]|1[0-2])|31\/(0?[13578]|1[02]))\/(19|20)?\d{2}$/;
	if ((document.getElementById(campo).value.match(expReg)) && (document.getElementById(campo).value!=''))
		valida=true;
	else
		valida=false;
	return valida;
}