function setOpacity(){
	$('sheerBox').setStyle('opacity','0.5');	
	$('transBox').setStyle('opacity','0.9');		
}		  
window.addEvent('domready', function() {
	$$('.navBox').each(function(el,index){	
		$(el).addEvent('mouseenter', function(){
			$(el).toggleClass('navBox');
			$(el).toggleClass('navBox_over');
		});
		$(el).addEvent('mouseleave', function(){
			$(el).toggleClass('navBox');
			$(el).toggleClass('navBox_over');
		});
		$(el).addEvent('click', function(){			
			if (index==2){
				$(el).toggleClass('navBox');
				$(el).toggleClass('navBox_clicked');
				$('nav_about').setStyle('width','100px');	
				$('nav_products').setStyle('width','100px');	
				$('nav_equipment').setStyle('width','380px');			
				$('nav_contact').setStyle('width','100px');			
			}		
			if (index!=2){
				$('nav_equipment').addClass('navBox');								
				$('nav_equipment').removeClass('navBox_clicked');	
				$('nav_about').setStyle('width','170px');	
				$('nav_products').setStyle('width','170px');	
				$('nav_equipment').setStyle('width','170px');			
				$('nav_contact').setStyle('width','170px');
				$('equip_clicked').setStyle('display','none');		
				$('equip_normal').setStyle('display','block');		
			}
		});
	});
	$$('.toggleLinks').each(function(el,index){	
		$(el).addEvent('click', function(){			
			if (index==2){
				$(el).toggleClass('navBox');
				$(el).toggleClass('navBox_clicked');
				$('nav_about').setStyle('width','100px');	
				$('nav_products').setStyle('width','100px');	
				$('nav_equipment').setStyle('width','380px');			
				$('nav_contact').setStyle('width','100px');			
			}		
			if (index!=2){
				$('nav_equipment').addClass('navBox');								
				$('nav_equipment').removeClass('navBox_clicked');	
				$('nav_about').setStyle('width','170px');	
				$('nav_products').setStyle('width','170px');	
				$('nav_equipment').setStyle('width','170px');			
				$('nav_contact').setStyle('width','170px');							
			}
		});
	});
});