// author: Bas Wenneker		website: http://www.solutoire.com
// Fx.Font is MIT-Licensed

Fx.Font = new Class({
	initialize: function(elements, sid, gid, growsize){
		this.growsize = (growsize) ? growsize : 4;
		this.elements = [];
 		elements.each(function(el){
			this.elements.push([el,el.getStyle('font-size').toInt()]);									   
		},this);
		$(gid).onclick = function(){this.grow()}.bind(this);
		$(sid).onclick = function(){this.shrink()}.bind(this);
	},
	grow: function(){
		this.elements.each(function(el){
			if(el[0].getStyle('font-size').toInt() == el[1])
				el[0].effect('font-size',{duration:1000,unit:'px'}).custom(el[1],el[1]+this.growsize);			
		},this);							
	},
	shrink: function(){
		this.elements.each(function(el){
			if(el[0].getStyle('font-size').toInt() == el[1]+this.growsize)
				el[0].effect('font-size',{duration:1000,unit:'px'}).custom(el[1]+this.growsize, el[1]);
		},this);		
	}						
});