function checkMandt()
{
    
    //All teh Check Variables
    var email = false;
    var name = false;
    
    var errormsg = '';
    
    //Check all input elements
    var x = document.getElementsByTagName('input'); 
    for (var i=0;i<x.length;i++) 
    {
	//check to see if buyers name is complete
	if(x[i].getAttribute('type') == 'text'
	&& x[i].getAttribute('name') == 'first_name'
	&& x[i].value)
	{
            name = true;
        }
        
	//check to see if buyers email is complete
	if(x[i].getAttribute('type') == 'text'
	&& x[i].getAttribute('name') == 'email_address'
	&& x[i].value)
	{
            var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
            if (filter.test(x[i].value)) email = true;
        }
    }
    
    if(!name)
    {
        errormsg = errormsg+"You must enter a valid name \n";
    }
    if(!email)
    {
        errormsg = errormsg+"You must enter your email address \n";
    }
    
    if(errormsg)
    {
        alert(errormsg);
	return false;
    }
    
}