javascript - selected link changes background -

i have 2 menus, category , countries. i've made far change , keep background of 1 element have problem simultaneous memory of other menu's element.

var lookaround=[];  function seleitem(obj,color){     if(lookaround[obj.classname])         lookaround[obj.classname].style.background=null;     lookaround[obj.classname]=obj;     obj.style.background=color; } 

example page here

you should use object instead of array lookaround:

var lookaround = {};