Ok, i made you a little visual tutorial.
1. open www folder.
2. create a folder named "mods".
3. open index.html via notepad.
4. add the line i mention at the bottom and save the file.
<script type="text/javascript" src="mods/TY_ModLoader.js"></script>
5. add your mods to the "mods" folder you just created.
6. open the TY_ModLoader.js file in notepad
7. add the filenames of your mods inside the "TY.MOD_LIST" section shown in the screenshot.
P.S You can review similar instructions inside the TY_ModLoader.js file, at the top.
Screenshots:
