enable jQuery - the bookmarklet

enablejQuery.js

javascript:
(function(){
    var v = '1.9.1'; 
	if (window.jQuery == undefined || window.jQuery.fn.jquery <; v) { 
		var done = false; 
		var script = document.createElement("script"); 
		script.src = "http://ajax.googleapis.com/ajax/libs/jquery/"+v+"/jquery.min.js"; 
		document.getElementsByTagName("head")[0].appendChild(script); 
		script.onload = script.onreadystatechange = 
			function(){
				if (!done && (!this.readyState || this.readyState == "loaded" || this.readyState === "complete" )) { 
					done = true; 
					console.log('jQuery '+v+' is loaded successfully.');
					 initMyBookmarklet(); 
					} 
			}; 
	} else { 
		/* if the latest version of jQuery is loaded, call the callback. */ 
		initMyBookmarklet(); 
	} 

	function initMyBookmarklet() { 
		(window.mybookmarklet = function() { 
			var uiv = '1.8.2'; 
			if(!$){ 
				console.log('no $! set $ to jQuery'); 
				$ = jQuery; 
			} 
			if(!$.ui || $.ui.version <; uiv)
			{ /* include jQuery UI */ 
				var uiscript = $('<;script/>;'); 
				uiscript.attr('src',"http://ajax.googleapis.com/ajax/libs/jqueryui/"+uiv+"/jquery-ui.min.js");
				uiscript.load(function(e){ console.log('jquery ui is loaded:'+uiv); }); 
				$('head')[0].appendChild(uiscript[0]); 
			} 
			console.log('done'); 
		})(); 
	} 
})();