function FlightSearch(){ var ObjOrg=document.getElementById("cfcity1"); var ObjDst=document.getElementById("mdcity1"); var startdate=document.getElementById("starttime"); if (ObjOrg.value=="non"){ alert("请选择出发城市!"); ObjOrg.focus(); return false;} if (ObjDst.value=="non"){ alert("请选择到达城市!"); ObjDst.focus(); return false;} if (startdate.value=="点击选择日期"){ alert("请选择出发日期!"); startdate.focus(); return false;}
结果,但是它是javascript做的,我不知道怎么抓
var ObjOrg=document.getElementById("cfcity1");
var ObjDst=document.getElementById("mdcity1");
var startdate=document.getElementById("starttime");
if (ObjOrg.value=="non"){
alert("请选择出发城市!");
ObjOrg.focus();
return false;}
if (ObjDst.value=="non"){
alert("请选择到达城市!");
ObjDst.focus();
return false;}
if (startdate.value=="点击选择日期"){
alert("请选择出发日期!");
startdate.focus();
return false;}
window.open('flights/FlightSearch.htm?SI='+escape(ObjOrg.value+"$"+ObjDst.value+"$"+ObjOrg.selectedIndex+"$"+ObjDst.selectedIndex+"$"+ObjOrg.options[ObjOrg.selectedIndex].text.substr(3)+"$"+ObjDst.options[ObjDst.selectedIndex].text.substr(3)+"$"+startdate.value+"$"+document.getElementById("ren").value+"$$"+location.host));
return false;
}