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

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

function getElementNewsletter(name)
{
	var object = null;
	var tbSmallContact=document.getElementById('tbSmallNewsletter'); 
	for (var i=0; i<tbSmallContact.rows.length; i++)
    {
        for (var j=0; j<tbSmallContact.rows[i].cells.length; j++)
        {
            for (var k=0; k<tbSmallContact.rows[i].cells[j].childNodes.length; k++)
            {                
                if(tbSmallContact.rows[i].cells[j].childNodes[k].id == name)
                {
                    object = tbSmallContact.rows[i].cells[j].childNodes[k];
                    return object;
                }
            }
        }
        
    }    
}

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)
{
	if (/\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*/.test(valor))
	return true;
	else
	return false;
}


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