function campaignMonitor(){
	$('cm_name').addClassName('off')
	$('cm_email').addClassName('off')
	$('cm_name').observe('click', function(event){
		Event.element(event).value = '';
	});
	$('cm_email').observe('click', function(event){
		Event.element(event).value = '';
	});
}

function emailFriend(){
	$('friend_email').addClassName('off')
	$('friend_email').observe('click', function(event){
		Event.element(event).value = '';
	});
}

function regionSwitcher() {
  $$('ul.prices').each(function(prices){
    if (prices.id != 'uk') {
      prices.hide();
    }
  });

	if (document.getElementById('product_info')){
	  $('product_info').select('h3').each(function(header){
      header.remove();
    });
  }

  if (document.getElementById('region_select')){
    $('region_select').removeClassName('hidden');
    $('region_select').observe('change', function(event){
      e = Event.element(event);
      $$('ul.prices').each(function(prices){prices.hide();});
      $(e.value).show();
    });
  }
}

function buttonHover() {
	var buttons = [$('sign_up_button'),$('send_button')].concat($$('.buy'))
	buttons.each(function(button){
		
		//preload
		pic= new Image(100,25); 
		pic.src=button.src.gsub(/.gif/,'_on.gif');
		
		button.observe('mouseover', function(event){
			Event.element(event).src = Event.element(event).src.gsub(/.gif/,'_on.gif')
		});
		button.observe('mouseout', function(event){
			Event.element(event).src = Event.element(event).src.gsub(/_on.gif/,'.gif')
		});
	});	
}


function external_links(){
  $$('.container')[0].select('a[href$=.pdf]', 'a[href^=http://]:not(a[href^=http://www.yoyoceramics.co.uk])').each(function(link){
    link.writeAttribute({target:"_blank", title:"Javascript will open this external link in a new window."})
  });
}

document.observe("dom:loaded", function() {
	campaignMonitor();
	emailFriend();
	regionSwitcher();
	buttonHover();
	external_links();
});