var companys=new Array(
					   ['7','ZTO-中通速递'],
					   ['6','HT-汇通速递'],
					   ['25','STO-申通速递'],
					   ['26','YTO-圆通速递'],
					   ['10','YTSD-一统速递'],
					   ['11','YUNTONG-运通速递'],
					   ['1','EMS-中国邮政'],
					   ['8','TTK-天天快递'],
					   ['4','LBEX-龙邦速递'],
					   ['18','NEDA-能达快递'],
					   ['14','SURE-速尔快递'],
					   ['2','DDS-勤诚速递'],
					   ['3','ETS-一通速递'],
					   ['5','ULINK-鑫飞鸿速递'],
					   ['9','YUNDA-韵达快运'],
					   ['12','XINBANG-新邦速递'],
					   ['13','APEX-全一快递'],
					   ['15','SPEEDY-奇速快递'],
					   ['16','CHANGYU-长宇物流'],
					   ['17','ANJELEX-安捷快递'],
					   ['19','LTS-联昊通快递'],
					   ['20','LIANTONG-晟通快递'],
					   ['21','JYM-加运美快递'],
					   ['22','PONYEX-小红马快递'],
					   ['23','ANXINDA-安信达快递'],
					   ['24','PEISI-北京配思货运'],
					   ['27','YUEFENG-越丰速递'],
					   ['28','HAOYUNLAI-好运来速递'],
                       ['30','CCES-上海希伊艾斯快递'],
					   ['31','COE-中国东方快运'],
					   ['32','ANDTIME-全日通快递'],
					   ['33','CAE-民航快递'],
					   ['34','FKD-飞康达快递'],
					   ['35','AIRFEX-亚风快递'],
					   ['36','LLT-六六通快运'],
					   ['37','LD-蓝盾速递'],
					   ['38','FD-丰达速递'],
					   ['39','CNPL-中邮物流'],
					   ['40','FE-快捷速递'],
					   ['41','YAD-源安达'],
					   ['42','DHL-敦豪快运']
					   );

 function check(){
  var mainForm=document.getElementById('form1');
  if(mainForm.billNo.value==''){
    alert('请填写运单编号.');
	return false;
  }
   mainForm.submit(); 
 }
 
 function addCompany(){
   var companyType=document.getElementById("companyType"); 	
    for(var i=0;i<companys.length;i++){
		 var oOption = document.createElement("OPTION"); 
             companyType.options.add(oOption);	
             oOption.innerText = companys[i][1];
             oOption.value = companys[i][0];  
	}
 }

 function chooseCompany(value){
  var companyType=document.getElementById("companyType");
  
  if(value>0 && value<=companyType.length){
     companyType.selectedIndex=value-1;
  }

 }