$(document).ready(function() {
 var arrT = [];
 var tt = "{0}:{1}";
 for (var i = 0; i < 24; i++) {
     arrT.push({ text: StrFormat(tt, [i >= 10 ? i : "0" + i, "00"]) }, { text: StrFormat(tt, [i >= 10 ? i : "0" + i, "30"]) });
 }
 $("#START_TIME").dropdown({
     dropheight: 200,
     dropwidth: 60,
     selectedchange: function() { },
     items: arrT
 });
 $("#END_TIME").dropdown({
     dropheight: 200,
     dropwidth: 60,
     selectedchange: function() { },
     items: arrT
 });
}