function syncList(){}syncList.prototype.sync=function(){for(var i=0;i<arguments.length-1;i++)document.getElementById(arguments[i]).onchange=function(o,id1,id2){return function(){o._sync(id1,id2)}}(this,arguments[i],arguments[i+1]);document.getElementById(arguments[0]).onchange()};
syncList.prototype._sync=function(firstSelectId,secondSelectId){var firstSelect=document.getElementById(firstSelectId);var secondSelect=document.getElementById(secondSelectId);secondSelect.length=0;if(firstSelect.length>0){var optionData=this.dataList[firstSelect.options[firstSelect.selectedIndex==-1?0:firstSelect.selectedIndex].value];for(var key in optionData||null)secondSelect.options[secondSelect.length]=new Option(optionData[key],key);if(firstSelect.selectedIndex==-1)setTimeout(function(){firstSelect.options[0].selected=
true},1);if(secondSelect.length>0)setTimeout(function(){secondSelect.options[0].selected=true},1)}secondSelect.onchange&&secondSelect.onchange()};