var ticker = Class.create({
	initialize: function(container, options) {
	this.container = container;
	this.options = Object.extend(options || {},{
		frequency: 500,
		item_frequency: 1000,
		char_frequency: 50,
		endBits: ['_','-']
		});
	this.current = 0;
	this.currentChar = 0;
	this.startTick();
	},
	startTick: function() {
		this.container.each(function(item) {
		item.hide();
	});
	setTimeout(this.onTick.bind(this), this.options.frequency);
	},
	onTick: function() {
		if(this.currentChar==0) {
			if (this.current_item) {
				this.current_item.hide();
			}
			this.current_item = this.container[this.current%this.container.length];
			this.current_item.show();
			this.current_element = this.current_item.firstDescendant()
			this.current_title = this.current_element.innerHTML;
			this.current++;
		}
				
	this.current_element.innerHTML = this.current_title.substring(0,this.currentChar) + this.options.endBits[this.currentChar&this.options.endBits.length-1];
	if(this.currentChar==this.current_title.length) {
		this.current_element.innerHTML = this.current_title.substring(0,this.current_title.length);
		this.currentChar=0;
		var t = this.options.item_frequency || 1000;
	} else {
		this.currentChar++;
		var t = this.options.char_frequency || 50;
	}
	setTimeout(this.onTick.bind(this),t);
}
});