function validate() 
{
var error = 0;
var message = "";

	if (document.getElementById('displayname') && document.getElementById('displayname').value == "")
	{
	message = message + "\n - Full Name";
	error = 1;
	document.getElementById('displayname').style.background = 'FCFFD3';
    document.form.displayname.focus();
	}		
	else if (document.getElementById('displayname') && document.form.displayname.value != "")
	{
	document.getElementById('displayname').style.background = 'white';
	}
	
	if (document.getElementById('email') && document.form.email.value == "")
	{
	message = message + "\n - E-Mail";
	error = 1;
	document.getElementById('email').style.background = 'FCFFD3';
    document.form.email.focus();
	}		
	else if (document.getElementById('email') && document.form.email.value != "")
	{
	document.getElementById('email').style.background = 'white';
	}	
	
	if (document.getElementById('message') && document.form.message.value == "")
	{
	message = message + "\n - Message";
	error = 1;
	document.getElementById('message').style.background = 'FCFFD3';
    document.form.message.focus();
	}		
	else if (document.getElementById('message') && document.form.message.value != "")
	{
	document.getElementById('message').style.background = 'white';
	}	

	if (error == 0){
	document.form.submit();
	} else {
	alert("Some required fields were left out. Please fill out all the highlighted fields before submitting a comment. \n" + message);
	}
}