window.onload = function()
{
	init_stars();
	init_form();
	init_video();
}

function init_form()
{
	var form = 	document.forms[0];
	form.onsubmit = check_form;
}

function check_form()
{
	var ratingOK = false;
	var inputs = document.getElementsByTagName("input");
	for( var i=0; i<inputs.length; ++i )
	{
		if( inputs[i].name == "rating" && inputs[i].checked )
		{
			ratingOK = true;
			break;
		}
	}
	if( ! ratingOK )
	{
		alert("Please choose a rating by clicking on the stars before you submit.");
	}
	return ratingOK;
}

function navOver( div )
{
	$(div).addClassName('hover');
}
function navOut( div )
{
	$(div).removeClassName('hover');
}

function init_video()
{
	var swffile = 'http://www.youtube.com/v/uzY92yFWKys&hl=en&rel=0&color1=0x000000&color2=0x222222';
	var params = {'wmode': 'transparent' };
	swfobject.embedSWF(swffile, "video","300","250","8", null, null, params);
}