function ValidateData()
{	
	var element = document.getElementById('contactDate');
	if (element.value != "")
	{
		return false;
	}
	
	var element = document.getElementById('txtFirstName');
	element.value=trim(element.value);
	if (element.value == "")
	{
		alert('Please, enter your first name.');
		element.focus();
		return false;
	}
	else
	{
		if(HasNumbers(element.value))
		{
			alert('First Name contains numbers, please remove them.');
			element.focus();
			return (false);
		}
	}
	
	var element = document.getElementById('txtLastName');
	element.value=trim(element.value);
	if (element.value == "")
	{
		alert('Please, enter your last name.');
		element.focus();
		return false;
	}
	else
	{
		if(HasNumbers(element.value))
		{
			alert('Last Name contains numbers, please remove them.');
			element.focus();
			return (false);
		}
	}	
	
	
	element = document.getElementById('txtEmail');
	element.value=trim(element.value);
	
	if (element.value == "")
	{
		alert('Please, enter your email.');
		element.focus();
		return false;
	}
	else
	{
		if(!ValidateEmail(element.value))
		{
			alert("Please check the emails address");
			element.focus();
			return false;
		}
	}
	
		
	elementconf = document.getElementById('txtConfirmEmail');
	elementconf.value=trim(element.value);
	if (elementconf.value == "")
	{
		alert('Please, enter your confirm email.');
		elementconf.focus();
		return false;
	}
	else
	{
		if(!ValidateEmail(elementconf.value))
		{
			alert("Please check the emails address");
			elementconf.focus();
			return false;
		}
	}
	
	
	if (element.value != elementconf.value)
	{
		alert("Please check the confirm emails address");
		elementconf.focus();
		return false;
	}
	
	element = document.getElementById('txtCity');
	element.value=trim(element.value);
	if (element.value == "")
	{
		alert('Please, enter your city.');
		element.focus();
		return false;
	}
	
	
	element = document.getElementById('txtState');
	element.value=trim(element.value);
	if (element.value == "")
	{
		alert('Please, enter your State.');
		element.focus();
		return false;
	}
	
		
	element = document.getElementById('txtComments');
	element.value=trim(element.value);
	if (element.value == "")
	{
		alert('Please, enter your comments.');
		element.focus();
		return false;
	}	
	return true;
}

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

function HasNumbers(valor) 
{
    if (/[0-9]/.test(valor))
            return true;
    else
            return false;
}

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