function clearText(thefield) {
  if (thefield.defaultValue==thefield.value) { thefield.value = "" }
}
 
function replaceText(thefield) {
  if (thefield.value=="") { thefield.value = thefield.defaultValue }
}

function OnSubmitNewsletter()
{
	var txtEmail = document.getElementById('txtEmail');	
	
	var contactDate =document.getElementById('contactDate');	
	var hdnContactFormID = document.getElementById('hdnContactFormID');
	var hdnContactFormType = document.getElementById('hdnContactFormType');
	
	element = document.getElementById('NewsletterSmallSignUp');
	element.value = 'No';
	if (ValidateDataNewsletter(txtEmail, contactDate)==true)
	{
		element = document.getElementById('NewsletterSmallSignUp');
		element.value = 'Yes';
		return true;
	}
	return false;
}

function ValidateDataNewsletter(Email, contactDate)
{	
	
	if (contactDate.value != "")
	{
		return false;
	}
	
	
  	Email.value=trim(Email.value);
  	
	
	if ((Email.value == "") || (Email.value == Email.defaultValue))
	{
		alert('Please, enter your email.');
		Email.focus();
		return false;
	}
	else
	{
		if(!ValidateEmail(Email.value))
		{
			alert("Please check your email.");
			Email.focus();
			return false;
		}
	}		
	return true;
}

function ValidateEmail(valor) 
{    
	var emailPattern = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9-]{2,60}(\.[a-zA-Z]{2,4}){1,2}$/;  
    return emailPattern.test(valor); 
}


function trim(myString)
{
 return myString.replace(/^\s+/g,'').replace(/\s+$/g,'')
}