Ok i came up with something, so i would like you guys to tell me what is the better way to do this...

I have 3 dummy html pages that i am loading.
http://www.crtaci.info/majice20.html
http://www.crtaci.info/majice40.html
http://www.crtaci.info/majice60.html
This is finall result:
http://www.crtaci.info/index.php?autocom=majice
And this is the code:
PHP Code:
<script type="text/javascript">
$(function() {
$.ajaxSetup ({
cache: false
});
var ajax_load = "<img style='width:42px;height:42px;display:block;margin:auto;' src='style_images/freshair/load.gif' alt='loading...' />";
$("#majice").html(ajax_load).load("majice20.html", function(){
$(".tShirt").removeAttr('title');
});
$("#show").click(function(){
$("#shown").slideToggle(1000);
});
$("#1").click(function(){
$("#majice").html(ajax_load).load("majice20.html", function(){
$(".tShirt").removeAttr('title');
});
$("ol.majice_navigacija>li").removeClass("selected");
$(this).addClass("selected");
});
$("#2").click(function(){
$("#majice").html(ajax_load).load("majice40.html", function(){
$(".tShirt").removeAttr('title');
});
$("ol.majice_navigacija>li").removeClass("selected");
$(this).addClass("selected");
});
$("#3").click(function(){
$("#majice").html(ajax_load).load("majice60.html", function(){
$(".tShirt").removeAttr('title');
});
$("ol.majice_navigacija>li").removeClass("selected");
$(this).addClass("selected");
});
});
</script>
<div class="maintitle">{$this->ipsclass->lang['welcome_message']}</div>
<div id="show" style="background:#CAEBFF;padding:10px;cursor:help;"><a title="Klikni da pročitaš uputstvo!" style="font-size:20px;font-weight:bold;margin:auto;width:100px;padding:10px;display:block;">Uputstvo!</a><div id="shown">Da bi ste kupili majicu treba prvo da kliknete na izabranu majicu, pa kada vam se otvori novi prozor ovde treba da izaberete boju, veličinu, količinu i da li želite mušku ili žensku majicu. Nakon toga treba da kliknete na "Dodaj proizvod u korpu".<img style="margin:10px auto;width:530px;display:block;" src="http://i25.tinypic.com/2reldfk.png" alt="Info"></a></div></div>
<ol class="majice_navigacija">
<li id="1" class="selected">1</li><li id="2">2</li><li id="3">3</li>
</ol>
<div id="majice"">
</div>
<br clear="all"/>
<div class="catend"></div>