var reg1 = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
var alphaExp1 = /^[a-zA-Z\s]+$/;	
function header_name_chk()
{
	name_msg="";		
	var name=document.getElementById('name');
	if(name.value=="")
	{
		name_msg="The name field is required.";	
	}
	else if(!(name.value.match(alphaExp1)))
	{			
		name_msg="The name field may only contain alphabetical characters.";
	}
	else if(name.value.length<2)
	{
		name_msg="The name field must be at least 2 characters in length.";	
	}
	else if(name.value.length>50)
	{
		name_msg="The name field must be less then 50 characters in length.";
	}	
	
	if(name_msg!="")
	{		
		var div=document.getElementById('header_error_div_name');
		div.style.display = 'block';
		div.innerHTML=name_msg;
		return false;
						
	}
	else
	{		
		var div=document.getElementById('header_error_div_name');
		div.style.display = 'none';	
		return true;
	}	
	
}
function header_email_chk()
{	
	var email=document.getElementById("email").value;
	
	email_msg="";
	if(email=="")
	{			
		email_msg="The email field is required.";
	}
	else if(reg1.test(email)==false)
	{
		email_msg="The email field must contain a valid email address.";
	}
	if(email_msg!="")
	{
		var div1=document.getElementById('header_error_div_email');
		div1.style.display = 'block';
		div1.innerHTML=email_msg;
		return false;	
	}
	else
	{
		var div1=document.getElementById('header_error_div_email');
		div1.style.display = 'none';
		return true;
	}
}	

function header_form_validate()
{	
	var flag=0;
	if(!header_name_chk())
	{
		flag=1;
	}	
	if(!header_email_chk())
	{
		flag=1;
	}	
	if(flag==1)
	{
		return false;
	}
	else
	{
		return true;
	}
}