Bookmarklet Skeleton JS

bookmarket.js

(function() {
	
	var Namespace = function() {
		//Private
		_init = function(jq) {
			if(!jq) {
				_getScript('http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js', _run);
				return;
			}
			_run();
		}
		
		_run = function() {
			
		}
		
		// Paul Irish getScript method http://pastie.org/462639
	    _getScript = function(url, success) {
			var head = document.getElementsByTagName('head')[0], 
				done = false,
				script = document.createElement('script');

			script.src = url;

			script.onload = script.onreadystatechange = function(){
				if(!done && (!this.readyState || this.readyState == 'loaded' || this.readyState == 'complete')) {
					done = true;
					success();
	            }
	        };

			head.appendChild(script);
	    };
		
		//Public
		return {
			init: _init
		};
	}();
	
	// check for jQuery, if not present pass reference
	var jq = true;
	if(!window.jQuery) {
		jq = false;
	}
	
	//Run app
	Namespace.init(jq);
	
})();

bookmarket.useage.html

<!-- Linters might make this multiline. Add in semi-colons on those and then combine to one line for anchor tags -->

<a href="javascript:(function(){var Namespace=function(){_init=function(jq){if(!jq){_getScript('http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js',_run);return;};_run();};_run=function(){};_getScript=function(url,success){var head=document.getElementsByTagName('head')[0],done=false,script=document.createElement('script');script.src=url;script.onload=script.onreadystatechange=function(){if(!done&&(!this.readyState||this.readyState=='loaded'||this.readyState=='complete')){done=true;success();}};head.appendChild(script);};return{init:_init};}();var jq=true;if(!window.jQuery){jq=false;};Namespace.init(jq);})();">click this</a>