function job_changed(pid,itemid) {
	var job = document.getElementById(itemid);
	job.length=0;
	var i;
	
	job.options[0] = new Option('选择分类','');
	for (i=0;i<jobarr.length;i++) {
		if (jobarr[i*3]==pid) {
			job.options[job.length] = new Option(jobarr[i*3+2], jobarr[i*3+1]); 
		}
	} 
}

function province_changed(pid,itemid) {
	var city = document.getElementById(itemid);
	city.length=0;
	var i;
	
	city.options[0] = new Option('选择城市','');
	for (i=0;i<cityarr.length;i++) {
		if (cityarr[i*3]==pid) {
			city.options[city.length] = new Option(cityarr[i*3+2], cityarr[i*3+1]); 
		}
	} 
}
function jdxxprovince_changed(pid,itemid) {
	var city = document.getElementById(itemid);
	city.length=0;
	var i;
	
	city.options[0] = new Option('选择城市','');
	for (i=0;i<jdxxcityarr.length;i++) {
		if (jdxxcityarr[i*3]==pid) {
			city.options[city.length] = new Option(jdxxcityarr[i*3+2], jdxxcityarr[i*3+1]); 
		}
	} 
}
function jdhxprovince_changed(pid,itemid) {
	var city = document.getElementById(itemid);
	city.length=0;
	var i;
	
	city.options[0] = new Option('==选择城市==','');
	for (i=0;i<jdhxcityarr.length;i++) {
		if (jdhxcityarr[i*3]==pid) {
			city.options[city.length] = new Option(jdhxcityarr[i*3+2], jdhxcityarr[i*3+1]); 
		}
	} 
}

function sale_changed(pid,itemid) {
	var comtype = document.getElementById(itemid);
	comtype.length=0;
	var i;
	
	comtype.options[0] = new Option('选择小分类','');
	for (i=0;i<classarr.length;i++) {
		if (classarr[i*3]==pid) {
			comtype.options[comtype.length] = new Option(classarr[i*3+2], classarr[i*3+1]); 
		}
	} 
}
function product_changed(pid,itemid) {
	var comtype = document.getElementById(itemid);
	comtype.length=0;
	var i;
	
	comtype.options[0] = new Option('==产品分类==','');
	for (i=0;i<classarr.length;i++) {
		if (classarr[i*3]==pid) {
			comtype.options[comtype.length] = new Option(classarr[i*3+2], classarr[i*3+1]); 
		}
	} 
}

function AddItem(ObjName, DesName)
{
  //ObjID    = GetID(ObjName);
  ObjID    = document.getElementById(ObjName);
  DesObjID = document.getElementById(DesName);
  k=0;
  i = ObjID.options.length;
  if (i==0)
    return;
  maxsel=0;
  for (h=0; h<i; h++)
     if (ObjID.options[h].selected ) {
         k=k+1;
         maxsel=h+1;
         }
  if (maxsel>=i)
     maxsel=0;
  if ( DesObjID.length + k >5 ) {
    window.alert("最多可选择5条");
    return;
    }

  if ( ObjID != -1 && DesObjID != -1 )
  { i = ObjID.options.length;
    j = DesObjID.options.length;
    for (h=0; h<i; h++)
    { if (ObjID.options[h].selected )
      {  Code = ObjID.options[h].value;
         Text = ObjID.options[h].text;
         j = DesObjID.options.length;
         K_Select = false;
         for (k=0; k<j; k++ ) {
           if (DesObjID.options[k].value == Code)
           {  K_Select = true;
              break;
           }
         }
         if ( K_Select == false)
         { DesObjID.options[j] = new Option(Text, Code);
         }
         ObjID.options[h].selected =false;
       }
    }
    ObjID.options[maxsel].selected =true;
  }
  RememberNow();
}

 function RememberNow()
    {
  //记录当前的选择项，将当前列表中的值及顺序保存在Hidden中
  //lstResult是服务器控件ListBox 
  //txtSelectedItems是<input type=hidden>
   var count;
          var str="";
          count=Form1.PdtClass_1.options.length;
          for(var i=0;i<count;i++)
          {
            str+=Form1.PdtClass_1.options[i].value+',';
          }
          Form1.saleclassvalue.value=str;//例如：1,冷侠;2,轻轻飞舞;
    }

function DelItem(ObjName)
{
  //ObjID = GetID(ObjName);
  ObjID    = document.getElementById(ObjName);
  min_sel=0;
  if ( ObjID != -1 )
  {
    for (i=ObjID.length-1; i>=0; i--)
    {  if (ObjID.options[i].selected)
       { 
          if (min_sel==0 || i<min_sel)
            min_sel=i;
          ObjID.options[i] = null;
       }
    }
    i=ObjID.length;

    if (i>0)  {
        if (min_sel>=i)
           min_sel=i-1;
        ObjID.options[min_sel].selected=true;
        }
  }
  RememberNow();
}
function openWin(theURL,winName,features) {
  	window.open(theURL,winName,features);
}