function ValidaForm(){
	var pagStrErro = '';
	document.forms[0].txtLogin.value = Trim(document.forms[0].txtLogin.value);
	document.forms[0].txtSenha.value = Trim(document.forms[0].txtSenha.value);

	if(document.forms[0].txtLogin.value == ''){
		pagStrErro += 'Preencha o Login .\n';
	}
	if(document.forms[0].txtSenha.value == ''){
		pagStrErro += 'Preencha a Senha.\n';
	}
	if ( pagStrErro == ''){
		document.forms[0].action = 'Proc_Login.asp';
		document.forms[0].submit();
	}else{
		alert(pagStrErro);
		return(false);
	}
}