//可用于所有联动菜单的实现。
  function CLASS_LIANDONG_YAO(array)
  {
   //数组，联动的数据源
  this.array=array; 
  this.indexName='';
  this.obj='';
  //设置子SELECT
// 参数：当前onchange的SELECT ID，要设置的SELECT ID
      this.subSelectChange=function(selectName1,selectName2)
  {
  //try
  //{
    var obj1=document.all[selectName1];
    var obj2=document.all[selectName2];
    var objName=this.toString();
    var me=this;
  
    obj1.onchange=function()
    {
    
    me.optionChange(this.options[this.selectedIndex].value,obj2.id)
    }

  }
  //设置第一个SELECT
// 参数：indexName指选中项,selectName指select的ID
  this.firstSelectChange=function(indexName,selectName)  
  {
  this.obj=document.all[selectName];
  this.indexName=indexName;
  this.optionChange(this.indexName,this.obj.id)

  }
  
  // indexName指选中项,selectName指select的ID
  this.optionChange=function (indexName,selectName)
  {
    var obj1=document.all[selectName];
    var me=this;
    obj1.length=0;
    obj1.options[0]=new Option("请选择",'');
	if (indexName=='0')
		obj1.options[1]=new Option("〖变更为顶级〗",'[ChangeToTop]'); 
	else
		obj1.options[1]=new Option("------------------------",''); 					
	for(var i=0;i<this.array.length;i++)
    {
    
    if(this.array[i][1]==indexName)
    {
    //alert(this.array[i][1]+" "+indexName);
      obj1.options[obj1.length]=new Option(this.array[i][2],this.array[i][0]);
    }
    }
  }
  
  }
  