在.net页面中怎么不能显示梅花雪的控件啊!
<HTML>  
 	 <HEAD>  
 		 <title> FST_Tree </title>  
 		 <meta   name= "GENERATOR "   content= "Microsoft   Visual   Studio   .NET   7.1 ">  
 		 <meta   name= "CODE_LANGUAGE "   content= "Visual   Basic   .NET   7.1 ">  
 		 <meta   name= "vs_defaultClientScript "   content= "JavaScript ">  
 		 <meta   name= "vs_targetSchema "   content= "http://schemas.microsoft.com/intellisense/ie5 ">  
 	 </HEAD>  
 	 <body   MS_POSITIONING= "GridLayout ">  
 		 <script   language= "JavaScript "   src= "D:/MzTreeView10.js ">  </script>  
 		 <FONT   face= "宋体 ">  </FONT>  
 		 <style>    A.MzTreeview   {   font-size:   9pt;   padding-left:   3px;   } 
 		 </style>  
 		 <script   language= "JavaScript ">  
       var   tree   =   new   MzTreeView( "tree ");   
       tree.icons[ "property "]   =    "property.gif "; 
       tree.icons[ "css "]   =    "collection.gif "; 
       tree.icons[ "book "]      =    "book.gif "; 
       tree.iconsExpand[ "book "]   =    "bookopen.gif ";   //展开时对应的图片   
       tree.setIconPath( "D:\\MzTreeView10\\MzTreeView10\\ ");   //可用相对路径   
       tree.nodes[ "0_1 "]   =    "text:我的根 ";    
       tree.nodes[ "1_400 "]   =    "text:JavaScript;   icon:book;   data:id=400 "; 
       tree.nodes[ "400_409 "]   =    "text:属性;   data:id=409 ";    
       tree.nodes[ "408_1239 "]   =    "text:||;      data:id=239;   method:alert( '节点响应:HTML方法:alert! '); ";            //调用html方法:alert 
       tree.nodes[ "409_1163 "]   =    "text:E;         data:id=163;   method:myMethod( '节点响应:调用自定义函数:myMethod! ') ";      //调用自定义函数:myMethod         
       var   strstree= "\ " "+ "text: "+ "动态节点500 "+ ";   data:id=500 "+ "\ " ";      
       //mytree(tree,strstree);//用方法动态定义“Tree”的子节点。                                                
                                              //注:动态定义的方法要与   var   tree   =   new   MzTreeView( "tree ");它在同一个 <script   language= "JavaScript "> 中!   
       tree.nodes[ "1_600 "]= "text:动态生成600;   data:id=500 "; 
       tree.nodes[ "1_700 "]=strstree; 
       document.write(tree.toString());            //亦可用   obj.innerHTML   =   tree.toString();     
       function   mytree(mytreevar,strtext){ 
          mytreevar.nodes[ "1_500 "]=strtext; 
          } 
       function   myMethod(str){ 
          alert(str); 
          top.fmyshow.myshow.value= "从Tree窗口传来的值! "; 
          } 
       function   cc(){ 
          cccc.value=strstree;