http://omy-artick.de/include/jquery/jquery-insert.js

1/* Insert Script Plugin
2 *
3 *
4 * Copyright (c) 2008 Kevin Martin (http://synarchydesign.com/insert)
5 * Licensed under the GPL license:
6 * http://www.gnu.org/licenses/gpl.html
7 *
8 */
9jQuery.insert = function(file)
10{
11	var data	= [];
12	var data2	= [];
13
14	if (typeof file == 'object')
15	{
16		data = file;
17		file = data.src !== undefined ? data.src : false;
18		file = file === false && data.href !== undefined ? data.href : file;
19		file = file === false ? file2 : false;
20	}
21
22	if (typeof file == 'string' && file.length)
23	{
24		var index	= file.lastIndexOf('.');
25		var index2	= file.replace('\\', '/').lastIndexOf('/') + 1;
26		var ext		= file.substring(index + 1, file.length);
27	}
28
29	switch(ext)
30	{
31		case 'js':
32			data2 = {
33				elm:	'script',
34				type:	'text/javascript',
35				src:	file
36			};
37		break;
38
39		case 'css':
40			data2 = {
41				elm:	'link',
42				rel:	'stylesheet',
43				type:	'text/css',
44				href:	file
45			};
46		break;
47
48		default:
49			data2 = {elm: 'link'};
50		break;
51	}
52
53	data2.id = 'script-' + (typeof file == 'string' && file.length ?
54		file.substring(index2, index) : Math.round(Math.rand() * 100));
55
56	for (var i in data)
57	{
58		data2[i] = data[i];
59	}
60
61	data	= data2;
62	var tag	= document.createElement(data.elm);
63
64	delete data.elm;
65
66	for (i in data)
67	{
68		tag.setAttribute(i, data[i]);
69	}
70
71	jQuery('head').append(tag);
72
73	return jQuery('#' + data.id);
74};