var minSize = 0;
var maxSize = 13;
var count = 2;

function changeFontSize(offSet){

	count += offSet;

	if (count < minSize) {
		if (offSet < 0){
			count = minSize;
		}
	}

	if (count > maxSize) {
		if (offSet > 0){
			count = maxSize;
		}
	}

	$$('.content .wrapper')[0].className = "wrapper wrapper" + count;
	equalHeight();

	$$('.content .wrapper')[0].className = "wrapper wrapper" + count;

 	return;
}

Event.observe(window, 'load',
	function() {
 		Event.observe('more', 'click', function (){changeFontSize(1);})
 		Event.observe('less', 'click', function (){changeFontSize(-1);})
	}
);