<select id="slctDiv2" class="slct"><option value="0">Any</option>
<option   value="1">Administration</option><option value="2">Collections</option>
<option value="3">Distribution</option><option value="4">Engineering</option>
<option value="5">Treatment</option></select>

$('#slctDiv1,#slctDiv2').change(function(){

  if($(this).parent().attr('id')=='slctDiv2'){
    //do this
   }else{
    //do that
  }
});

$('#slctDiv1,#slctDiv2').change(function(){
    if($(this).attr('id')=='slctDiv2'){ //do this
    }else{ //do that
    }
});