function Trimming(pStrCadena)
{
	while(pStrCadena.charAt(0)==' ')
		pStrCadena=pStrCadena.substring(1,pStrCadena.length);
	while(pStrCadena.charAt(pStrCadena.length-1)==' ')
		pStrCadena=pStrCadena.substring(0,pStrCadena.length-1);
	return pStrCadena;
}

function f_valida_email(pStrEMail)
{
    if (pStrEMail.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1)
        return true;
    else
        return false;
}

function f_enviar_suscribe(){
	var strNames = Trimming(document.getElementById("Subscribe_control1_txtName").value);
	var strEmail = Trimming(document.getElementById("Subscribe_control1_txtEmail").value);
	if(strNames==""){
		alert("Names are required.");
		document.getElementById("Subscribe_control1_txtName").focus();
		return false;
	}
	else if(strEmail==""){
		alert("E-mail is required.");
		document.getElementById("Subscribe_control1_txtEmail").focus();
		return false;
	}
	else if(!f_valida_email(strEmail)){
		alert("The e-mail is incorrect.");
		document.getElementById("Subscribe_control1_txtEmail").focus();
		return false;
	}
	else return true;	
}