function playVideo(v,button){
	new Effect.Pulsate(button, { pulses: 5, duration: 0.4 });
	target = $('video-player');
	new Ajax.Updater('video-player','/sys/video/_player.php?v='+ v +'&hello=yes', {method:'get',
		onCreate: function(){
			target.update('<div id=loading>Transmitting...</div>')
		},
		onSuccess: function(transport){
			target.update('<div id=loading>Loading...</div>')
		},
		onComplete: function(transport){
			var response = transport.responseText;
			target.update(response);
		}	
	});
}

function validateContactform() {
	if (document.proposalform.firstname.value == ''){
		alert('Oops. You forgot to enter your first name.');
		return false;
	}		
	else if (document.proposalform.lastname.value == ''){
		alert('Oops. You forgot to enter your last name.');
		return false;
	}				
	else if (document.proposalform.jobtitle.value == ''){
		alert('Oops. You forgot to enter your job title.');
		return false;
	}				
	else if (document.proposalform.company.value == ''){
		alert('Oops. You forgot to enter your company name.');
		return false;
	}				
	else if (document.proposalform.emailaddress.value == ''){
		alert('Whoops.  You forgot to include your email address.');
		return false;
	}
	else if (document.proposalform.phonenumber.value == ''){
		alert('Whoops.  Your phone number is missing');
		return false;
	}

return true;
}