Dropdown menu (the right one, with city names like “gudauri”) here dev.holiday.ge/xhtml/main.html must look like this: 
I tried with CSS but I think it is quite impossible…
My idea was to create another little jquery script that will modify contents of dropdown further dividing it into 3 ‘s.
Current output:
<ul class="chzn-results">
<li class="group-result" id="control_1_chzn_g_0" style="display: list-item;">Mountain</li>
<li style="" class="active-result result-selected group-option" id="control_1_chzn_o_1">Gudauri</li>
<li style="" class="active-result group-option" id="control_1_chzn_o_2">Bakuriani</li>
<li style="" class="active-result group-option" id="control_1_chzn_o_3">Svaneti</li>
<li class="group-result" id="control_1_chzn_g_4" style="display: list-item;">Seaside</li>
<li style="" class="active-result group-option" id="control_1_chzn_o_5">Batumi</li>
<li style="" class="active-result group-option" id="control_1_chzn_o_6">Kobuleti</li>
<li style="" class="active-result group-option" id="control_1_chzn_o_7">Kvariati</li>
<li class="group-result" id="control_1_chzn_g_8" style="display: list-item;">Capital</li>
<li style="" class="active-result group-option" id="control_1_chzn_o_9">Tbilisi</li>
</ul>
Change into this:
<ul class="chzn-results" id="searchdropdown1">
<li class="group-result" id="control_1_chzn_g_0" style="display: list-item;">Mountain</li>
<li style="" class="active-result result-selected group-option" id="control_1_chzn_o_1">Gudauri</li>
<li style="" class="active-result group-option" id="control_1_chzn_o_2">Bakuriani</li>
<li style="" class="active-result group-option" id="control_1_chzn_o_3">Svaneti</li>
</ul>
<ul class="chzn-results" id="searchdropdown2">
<li class="group-result" id="control_1_chzn_g_4" style="display: list-item;">Seaside</li>
<li style="" class="active-result group-option" id="control_1_chzn_o_5">Batumi</li>
<li style="" class="active-result group-option" id="control_1_chzn_o_6">Kobuleti</li>
<li style="" class="active-result group-option" id="control_1_chzn_o_7">Kvariati</li>
</ul>
<ul class="chzn-results" id="searchdropdown3">
<li class="group-result" id="control_1_chzn_g_8" style="display: list-item;">Capital</li>
<li style="" class="active-result group-option" id="control_1_chzn_o_9">Tbilisi</li>
</ul>
What do you think?
Will this work at all?
Yes, It does work. I just tested the target UL html you mentioned above in Firebug and it worked. I added following attributes in the css class chzn-results{width:30%; float:left}. Do you need help in tansforming single UL into 3 UL’s ?
Update: Added code to tranform the original UL list into 3 columns.