$.fn.tags = function(){
	var origin_element = this;
	
	var o = {
		e: null,
		ed: null,
		tags:[],
		
		init:function(){
			this.e = origin_element;
			var that = this;

			var n = $(this.e).next();
			if ( /jq_tags_editor/.test(n.attr('class')) )
			{	
				this.ed = n.get(0);
			}			
			else
			{
				$(this.e).after('<div class="jq_tags_editor"><span class="jq_tags_tokens"></span><input type="text" class="jq_tags_editor_input" /></div>');
				this.ed = $(this.e).next();
			}

			$(this.e).hide();
			$(this.ed)
				.unbind()
				.click(function(){
					$(that.ed).find('input').focus();
				})
				.find('input')
					.unbind()
					.blur(function(){
						that.add_tag();
					})
					.keyup(function(e){
						switch(e.keyCode){
							case 13:	// Return is pressed
							case 188:	// comma is pressed
								that.add_tag();
								break;
						}
					});

			r = $(this.e).val().split(',');
			this.tags = []
			for(i in r)
			{
				r[i] = r[i].replace(/[", ]/gi, '');
				if(r[i] != '')
				{	this.tags.push(r[i]);	}
			}
			this.refresh_list();			
		},
		
		add_tag:function(){
			var tag_txt = $(this.ed).find('input')
				.val().replace(/[", ]/gi, '');
			
			if( (tag_txt != '') && (jQuery.inArray(tag_txt, this.tags) < 0) ){
				this.tags.push(tag_txt);
				this.refresh_list();
			}
			$(this.ed).find('input').val('');
		},		
		remove_tag:function(tag_txt){
			r = [];
			for(i in this.tags){
				if(this.tags[i] != tag_txt)
				{	r.push(this.tags[i]);	}
			}
			this.tags = r;
			this.refresh_list();
		},		
		refresh_list: function(){
			var that = this;
			
			$(this.ed).find('span.jq_tags_tokens').html('');
			$(this.e).val(this.tags.join(', '));
			
			h = '';
			for(i in that.tags){
				h += '<div class="jq_tags_token">' + that.tags[i] + '<a href="#">x</a></div>';
			}
			$(that.ed).find('input').val('');
			$(that.ed)
				.find('span.jq_tags_tokens')
					.html(h)
					.find('div.jq_tags_token')
						.find('a')
							.click(function(){
								var tag_txt = $(this).parents('.jq_tags_token:first').html().replace(/<a(.*?)<\/a>/, ''); 
								that.remove_tag(tag_txt);
							});
		}
		
	};
	o.init();
	
	
	
};