<!--//
function valida_cadastro() { 
    
     Form = document.Form1;
     if (Form.txtnom.value.length == 0) {
	alert("Informe o nome !");
        Form.txtnom.focus();
        return false;
		}

if (Form.txtEmail.value.length == 0) {
	alert("Informe o E-mail!");
        return false;
        Form.txtEmail.focus();
        }
if (Form.txtMotivo.value.length == 0) {
	alert("Informe o Motivo!");
        return false;
        Form.txaMotivo.focus();
        }

if (Form.txtEmail.value!="") {
if (Form.txtEmail.value.indexOf("@")==-1 || Form.txtEmail.value.indexOf(".")==-1 || Form.txtEmail.value.indexOf(" ")!=-1 || Form.txtEmail.value.length<6) {
alert("E-mail inválido !");Form.txtEmail.focus();return false;
    }
   else
   {
   }
}
  
 
{
Form.submit();
}
}
//-->