function lengthCheck() {
	var name = document.getElementById( 'name' );
	var email = document.getElementById( 'email' );
	var subject = document.getElementById( 'subject' );
	var message = document.getElementById( 'message' );
	
	var submit = document.getElementById( 'submit' );
	
	if( (name.value.length > 0)
		&& (email.value.length > 0)
		&& (subject.value.length > 0)
		&& (message.value.length > 0) )
	{
		submit.disabled = false;
		submit.className = '';
		
	} else {
		submit.disabled = true;
		submit.className = 'disabled';
	}
}

function onLoad() {
	document.forms.contact_us.style.display = 'none';
	document.getElementById( 'show_hide_link' ).innerHTML = '↵';
	document.getElementById( 'show_hide' ).style.display = 'inline';
	document.getElementById( 'submit' ).disabled = true;
	document.getElementById( 'submit' ).className = 'disabled';
}

function showForm() {
	document.forms.contact_us.style.display = 'block';
	document.getElementById( 'show_hide' ).style.display = 'none';
	document.forms.contact_us.name.focus();
	window.scroll( 0, window.innerHeight );
}