window.addEvent('domready', function(){
	
	
	var buttonUp = $('text-size-up');
	var buttonDown = $('text-size-down');
	var content = $('content');
	size =1;
	
	
	buttonUp.addEvent('click', function(e){
				new Event(e).stop();
				
				size=size+0.1;
					
				content.style.fontSize=size+"em";	
				
				
	});
	
	buttonDown.addEvent('click', function(e){
				new Event(e).stop();
				
				
					
				size=size-0.1;
					
				content.style.fontSize=size+"em";	
				
				
	});
	
	
	
	
});