//class for font sizing on the website

function FontSize(initialSize) {
	this.size = initialSize;
}

FontSize.prototype.increaseFont = function (){
	this.size = this.size + .2;
	$('main_content').setStyle({fontSize: this.size + 'em'});
}

FontSize.prototype.decreaseFont = function (){
	this.size = this.size - .2;
	$('main_content').setStyle({fontSize: this.size + 'em'});
}

FontSize.prototype.defaultFont = function(){
	$('main_content').setStyle({fontSize:'1.0em'});
}

FontSize.prototype.mediumFont = function(){
	$('main_content').setStyle({fontSize:'1.2em'});
}

FontSize.prototype.largeFont = function(){
	$('main_content').setStyle({fontSize:'1.4em'});
}