Hyphenator

gistfile1.txt

var Hyphenator = new Class ({

	Implements: [Events, Options],

	options: {
		separator: '-',
		trigger: 'keyup',
		prepend: '',
		allowed: /[^\w\d\s-]/g
	},

	initialize: function(input, target, options){
		this.setOptions(options);
		var separator = this.options.separator;
		var prepend = this.options.prepend;
		var options = this.options;
		input.addEvent(this.options.trigger, function(){
			this.text = this.get('value').clean().replace(options.allowed, '').replace(/[\s]/g, separator).toLowerCase();
			(target.get('tag') == 'input') ? target.set('value', prepend+this.text) : target.set('text', prepend+this.text); 
		});
	}
});