jquery.toggleText.js

/*!
 * toggleText
 * $(element).toggleText ( [text] );
 *
 * mit license. sercan cakir. 2012.
 */ 
$(function () {
	$.fn.toggleText = function (text) {
		var string = this.attr('data-toggle-text');
		
		if (typeof attr == 'undefined' || attr == '') {
			if (typeof text != 'undefined') {
				string = text;
			}
		}
		
		/* -- toggle text */
		if (typeof string != 'undefined') {
			var val = this.text();
			this.text(string).attr('data-toggle-text', val);
		}
		
		/* -- for chaining */
		return this;
	};
});