//javascript for TGO website

function resizeMainWindow ()
{
	wndScrollHeight = window.getScrollSize().y;
	wndWidth = window.getSize().x;
	if (wndWidth < 800)
		wndWidth = 800;
	if ($('backgroundTable').getSize().x < wndWidth)
		$('backgroundTable').setStyle('width', wndWidth);
	
	breaks = '';
	while ($('backgroundTable').getSize().y < wndScrollHeight)
	{
		//window.alert($('mainTable').getStyle('height'));
		breaks = breaks+'<br />';
		$('spacer').set('html', breaks);
	}
}

window.addEvent('load', resizeMainWindow);
window.addEvent('resize', resizeMainWindow);


function navOver (_i)
{
	$('navIconBlock'+_i).setStyle('background-image', 'url(images/charities/nav-hand.jpg)');
}

function navOut (_i)
{
	$('navIconBlock'+_i).setStyle('background-image', 'none');
}

function submitContactForm (e)
{
	var e = new Event(e);
	
	if ($('contactName').value.length < 2)
		window.alert('Please enter your name before submitting');
	else if ($('contactSurname').value.length < 2)
		window.alert('Please enter your surname before submitting');
	else if ($('contactMobile').value.length < 2)
		window.alert('Please enter your mobile phone number before submitting');
	else if ($('contactEmail').value.length < 2)
		window.alert('Please enter your e-mail address before submitting');
	else if (!isValidEmail($('contactEmail').value))
		window.alert('Please enter a valid e-mail address before submitting');
	else if ($('contactMessage').value.length < 2)
		window.alert('Please enter a message before submitting');
	else
		return;
	
	e.stop();
}