window.addEvent('domready',function(){
	$$('.no-bg-div').setStyle('opacity', '.45');								
									
									
	var Ele = $(document.body).getElements('.tab-button');
	var Curr;
	Ele.each(function(item){
		if(item.getProperty('rel') == 'current') Curr = item;
		item.addEvent('click', function(event) {
						event.stop();
		});
		item.addEvent('mouseover', function() {
			item.setProperty('rel','current')
			$(item.getProperty('id')+'-content').setProperty('class','current')
			if(item !== Curr) {
			Curr.setProperty('rel','')
			$(Curr.getProperty('id')+'-content').setProperty('class','nodp')
			Curr = item;
			}
		});
	});
});