// JavaScript Document

function setTab1(m,n){
var tli=document.getElementById("menu"+m).getElementsByTagName("li");
var mli=document.getElementById("main"+m).getElementsByTagName("ul");
for(i=0;i<tli.length;i++){ 
tli[i].className=i==n?"comon":"comoff";
mli[i].style.display=i==n?"block":"none";
}
}

function setTab(name,cursel,n){
for(i=1;i<=n;i++){
var menu=document.getElementById(name+i);
var con=document.getElementById("con_"+name+"_"+i);
menu.className=i==cursel?"hover":"";
con.style.display=i==cursel?"block":"none";
}
}

function ShowDiv(oRad)   
 {   
     var Layer_choice;
     if (document.getElementById) {
       Layer_choice = eval("document.getElementById('div_choice')");   
       }
       else {
           Layer_choice = eval("document.all.choice.div_choice");   
      }  
      if(Layer_choice)
       {   
         if(oRad.value=="1")   
          {   
             Layer_choice.style.display='block';   
           }else  
          {   
            Layer_choice.style.display='none';   
          }   
     }   
}

function ShowDiva(oRad)   
 {   
     var Layer_choice;    
     if (document.getElementById) {
       Layer_choice = eval("document.getElementById('div_choicea')");   
       }   
       else {
           Layer_choice = eval("document.all.choice.div_choicea");   
      }  
      if(Layer_choice)
       {   
         if(oRad.value=="1")   
          {   
             Layer_choice.style.display='block';   
           }else  
          {   
            Layer_choice.style.display='none';   
          }   
     }   
 }
 
  function ShowDiv1(oRad)   
 {   
     var Layer_choice;   
  
      //选择div    
     if (document.getElementById) { //Netscape 6.x   
       Layer_choice = eval("document.getElementById('div_choice1')");   
       }   
       else { // IE 5.x   
           Layer_choice = eval("document.all.choice.div_choice1");   
      }   
   
       //显示或隐藏DIV   
      if(Layer_choice)//先判断是否存在   
       {   
         if(oRad.value=="1")   
          {   
             Layer_choice.style.display='block';   
           }else  
          {   
            Layer_choice.style.display='none';   
          }   
     }   
 }   
 
 function xxg()
  {
  if (document.internationalFlightForm.Starting1.value=="")
	       {
	      alert("系统提示：起飞城市不能为空！")
		  document.internationalFlightForm.Starting1.focus();
		  return false
		    }
 return true
		}