function clearOptions(obj,isCleanFirstOption)
{  
  ////////////////////////CNSCN请勿修改CNSCN/////////////////////////  
  len=obj.length+1;
  
  if(isCleanFirstOption)
     var val=0;
  else 
     var val=1;
   
     for(i=len; i>val; i--)
     {  
        obj.options[i-1]=null;
     }
  ////////////////////////CNSCN请勿修改CNSCN/////////////////////////
}


function chngSubHangye(obj)
{
  ////////////////////////CNSCN请勿修改CNSCN/////////////////////////

  clearOptions(obj,1);
  clearOptions(document.all['l_function'],0);  //then clear the jobs
  
  if(document.all['industry2'].value==10 || document.all['industry2'].value=='10' )
  {
     clearOptions(obj,0);   //clear subHangye
     obj.add(new Option("---行业子类---","0000")) 
  }
  else
  {
    i=document.all['industry2'].value;
     i=i+'11';
     obj.add(new Option(arrSubHangyeFirst[i],11));
  
     for(var j=12;j<arrSubHangye.length;j++) 
     { 
       obj.add(new Option(arrSubHangye[j],j)); 
     }
     obj.selectedIndex=0;
     chngJob(document.all['l_function']);
  }
  ////////////////////////CNSCN请勿修改CNSCN/////////////////////////
}

function chngJob(obj)
{
  ////////////////////////CNSCN请勿修改CNSCN/////////////////////////
  clearOptions(obj,0);
  if((document.all['function']!=10))
  {
    if(document.all['function'].value==11)
    {
       var pos=document.all['industry2'].value+'11';
       pos=pos+11;
       for(var i=pos;jobs[i];i++)
       {
         if(jobs[i]!='No')
	    obj.add(new Option(jobs[i],i));
       }
    }
    else
    {  
       var pos=document.all['function'].value+'11';
       var k=document.all['industry2'].value;
       for(var i=pos;jobs[i];i++)
       {
       	 
       	  var k=document.all['industry2'].value+i;
       	  obj.add(new Option(jobs[i],k));
       }
    } 
  }  
 ////////////////////////CNSCN请勿修改CNSCN/////////////////////////
}


function sdistrict(oj,v){
    m=-1;
    for (i=1;i<=36;i++){
			if (province[i]==v){
			m=i;
			}
    }
    clearOptions(oj,0);
    if (m!=-1){
        for (i=1;i<citys[m].length;i++){
            oj.add(new Option(name1[am][i],citys[m][i]));
        }
    }
}

function CheckAll()
{
    for(var i=0;i<document.formp.check.length;i++){
        var e=document.formp.check[i];
        if (e.name != 'chkAll')
           e.checked = document.formp.chkAll.checked;
    }
}

function AddCity(obj,sel,top)
{
  clearOptions(obj,0);
  var p=document.all(top).value;
  if(p!=10 && p!='10' && p!=0 && p!='请选择' && p!='46' && p!='99'  && p!='0' )
  {
	  //window.alert(p);
	  for(i=1;i<citys[p].length;i++)
      {
         obj.add(new Option(citys[p][i],i));
      }
	  if(sel)
      {
     	 obj.selectedIndex=sel;
      }
  } 
}

function  subcheck(obj)
{
   if(obj.value==10)
   {
       alert("请选择行业行后查询");
       return false;
   }
   else
      return true;
}
//add by zhangwenting 20060930
function AddJobsParent_byary(obj,sel) {
  clearOptions(obj,0);
  var citysid=getFuntypeParentIDs();
  var citysname=getFuntypeParentNames();
  for(i=0;i<citysid.length;i++)
  {
	 //obj.add(new Option(citysname[i],citysid[i]),i+1);
	 obj.options[i+1]=new Option(citysname[i],citysid[i],false,false);
  }
  if(sel)
  {
	 obj.selectedIndex=sel;
  }
  //if(citysid.length==1){
	//obj.selectedIndex=1;
  //}
}
function AddJobs_byary(obj,sel,top) {
  clearOptions(obj,1);
  var p=document.getElementById(top).value;
  //obj.add(new Option("－不限－",p),0);
  obj.options[0]=new Option("－不限－",p,false,false);
  if( p!=0 && p!='请选择' && p!='' && p!='0' )
  {
	  var citysid=getFuntypeIDs(p);
	  var citysname=getFuntypeNames(p);
	  for(i=1;i<citysid.length;i++)
      {
         //obj.add(new Option(citysname[i],citysid[i]),i);
		 obj.options[i]=new Option(citysname[i],citysid[i],false,false);
      }
	  if(sel)
      {
     	 obj.selectedIndex=sel;
      }
  }
}
//add by zhangwenting 20060930
function AddCityParent_byary(obj,sel) {
  clearOptions(obj,0);
  var citysid=getCityParentIDs();
  var citysname=getCityParentNames();
  for(i=0;i<citysid.length;i++)
  {
	 //obj.add(new Option(citysname[i],Math.floor(citysid[i]/100)),i+1);
	 obj.options[i+1]=new Option(citysname[i],Math.floor(citysid[i]/100),false,false);
  }
  if(sel)
  {
	 obj.selectedIndex=sel;
  }
}
function AddCity_byary(obj,sel,top) {
  clearOptions(obj,0);
  var p=document.getElementById(top).value;
  if(p!=10 && p!='10' && p!=0 && p!='请选择' && p!='46' && p!='99' && p!='0' )
  {
	  var p100=p*100;
	  var citysid=getCityIDs(p100.toString());
	  var citysname=getCityNames(p100.toString());
	  for(i=1;i<citysid.length;i++)
      {
         //obj.add(new Option(citysname[i],citysid[i]%100),i);
		 obj.options[i]=new Option(citysname[i],citysid[i]%100,false,false);
      }
	  if(sel)
      {
     	 obj.selectedIndex=sel;
      }
  }
}