HW.FontSize = {
	cur:3,
	sizes:[70,80,90,100,110,120,130],
	ids:['font_decrease','font_increase'],
	init:function() {
		var obj = this;
		var down = $(this.ids[0]);
		var up = $(this.ids[1]);
		if(down) {HW.attachEvent(down,'click',function(e){HW.preventDefault(e);obj.set(-1);})}
		if(up) {HW.attachEvent(up,'click',function(e){HW.preventDefault(e);obj.set(1);})}
		if(HW.Cookie) {this.read();}
	},
	read:function() {
		var c = HW.Cookie.get('fontSize');
		if(!!c) {this.cur = parseInt(c);}
		this.set(0);
	},
	set:function(d) {
		this.cur = Math.min(Math.max(0,this.cur+d),this.sizes.length-1);
		var size = this.sizes[this.cur];
		HW.setStyle(document.body,{fontSize:size+'%'});
		if(HW.Cookie) {HW.Cookie.set('fontSize',this.cur,30);}
	}
}


HW.onload(function(){HW.FontSize.init();})