function init() {
		
		
		var tree = new YAHOO.widget.TreeView("treediv");
		
		
		var root = tree.getRoot();
		
		
		    var ahmedDocsRootOne = new YAHOO.widget.TextNode("初中数学", root, true);
            
            ahmedDocs = new YAHOO.widget.TextNode("第一章　有理数", ahmedDocsRootOne, true);
        	myobj = { label: "第一节 正数和负数", id:"111" } ;
	
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  
 	        myobj = { label: "第二节 有理数", id:"112" } ; 

			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);
                myobj = { label: "第三节 有理数和加减法", id:"113" } ; 

			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  
                myobj = { label: "第四节 有理数的乘除法", id:"114" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  
          
               myobj = { label: "第五节 有理数的乘方", id:"115" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  
          
              myobj = { label: "第一章　有理数 单元测试", id:"210" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  
          
           
            
            
            ahmedDocs = new YAHOO.widget.TextNode("第二章　整式的加减", ahmedDocsRootOne, true);
            myobj = { label: "第一节 整式", id:"116" } ; 
                    var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false); 
 
 	        myobj = { label: "第二节 整式的加减", id:"117" } ; 
                    var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);

            myobj = { label: "第二章　整式的加减 单元测试", id:"211" } ; 
		    var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  
          
 
            ahmedDocs = new YAHOO.widget.TextNode("第三章　一元一次方程", ahmedDocsRootOne, true);
            
            myobj = { label: "第一节 从算式到方程 ", id:"118" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  
           	
 	        myobj = { label: "第二节 解一元一次方程（一）——合并同类项与移项", id:"119" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);
            
            myobj = { label: "第三节 解一元一次方程（二）——去括号与去分母", id:"120" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  
            
            myobj = { label: "第四节 实际问题与一元一次方程 ", id:"121" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);

                 myobj = { label: "第三章　一元一次方程 单元测试", id:"212" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);   
            
          
            
            
            ahmedDocs = new YAHOO.widget.TextNode("第四章　图形认识初步 ", ahmedDocsRootOne, true);
            myobj = { label: "第一节 多姿多彩的图形  ", id:"122" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  
           	
 	        myobj = { label: "第二节 直线、射线、线段", id:"123" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);
            
            myobj = { label: "第三节 角", id:"124" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  
            
            myobj = { label: "第四节 课题学习   设计制作长方体形状的纸盒", id:"125" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);
  
                 myobj = { label: "第四章　图形认识初步 单元测试", id:"213" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);
            
            
            ahmedDocs = new YAHOO.widget.TextNode("第五章　相交线与平行线", ahmedDocsRootOne, true);
            myobj = { label: "第一节 相交线", id:"126" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  
           	
 	        myobj = { label: "第二节 平行线 ", id:"127" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);
            
            myobj = { label: "第三节 平行线的性质", id:"128" } ; 
                       var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  

            myobj = { label: "第四节 平移", id:"129" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false); 
                   
            myobj = { label: "第五章　相交线与平行线 单元测试", id:"214" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);
            
            
            
            ahmedDocs = new YAHOO.widget.TextNode("第六章　平面直角坐标系", ahmedDocsRootOne, true);
            myobj = { label: "第一节 平面直角坐标系 ", id:"130" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  
           	
 	        myobj = { label: "第二节 坐标方法的简单应用   ", id:"131" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);
            
            myobj = { label: "第六章　平面直角坐标系 单元测试", id:"215" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);
            
            
            
            ahmedDocs = new YAHOO.widget.TextNode("第七章　三角形 ", ahmedDocsRootOne, true);
            myobj = { label: "第一节 与三角形有关的线段", id:"132" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  
           	
 	        myobj = { label: "第二节 与三角形有关的角", id:"133" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);
            
            myobj = { label: "第三节 多边形及其内角相和 ", id:"134" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false); 

            myobj = { label: "第四节 课题学习  镶嵌 ", id:"135" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false); 

            myobj = { label: "第七章　三角形 单元测试", id:"216" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);

           
             ahmedDocs = new YAHOO.widget.TextNode("第八章　二元一次方程组", ahmedDocsRootOne, true);
            myobj = { label: "第一节 二元一次方程组  ", id:"136" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  
           	
 	        myobj = { label: "第二节 消元", id:"137" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);
            
            myobj = { label: "第三节 再深实际问题与二元一次方程组 ", id:"138" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  

            myobj = { label: "第八章　二元一次方程组 单元测试", id:"217" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);
          

　　 
	
			 ahmedDocs = new YAHOO.widget.TextNode("第九章　不等式与不等式组", ahmedDocsRootOne, true);
            myobj = { label: "第一节 不等式   ", id:"139" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  
           	
 	        myobj = { label: "第二节 实际问题与一元一次不等式 ", id:"140" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);
            
            myobj = { label: "第三节 一元一次不等式组", id:"141" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  

            myobj = { label: "第四节 课题学习　利用不等关系分析比赛", id:"142" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);

            myobj = { label: "第九章　不等式与不等式组 单元测试", id:"218" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  
            
      
            
            ahmedDocs = new YAHOO.widget.TextNode("第十章　实数", ahmedDocsRootOne, true);
            myobj = { label: "第一节 平方根", id:"143" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  
           	
 	        myobj = { label: "第二节 立方根", id:"144" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);
           
	        myobj = { label: "第三节 实数", id:"145" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);

                myobj = { label: "第十章　实数 单元测试", id:"219" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);


  
            ahmedDocs = new YAHOO.widget.TextNode("第十一章　一次函数 ", ahmedDocsRootOne, true);
            myobj = { label: "第一节 变量与函数", id:"146" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  
           	
 	        myobj = { label: "第二节 一次函数", id:"147" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);
            
          
                myobj = { label: "第三节 用函数观点看方程（组）与不等式", id:"148" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);
              
               myobj = { label: "第十一章　一次函数 单元测试", id:"220" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);


            
            
            ahmedDocs = new YAHOO.widget.TextNode("第十二章　数居的描述", ahmedDocsRootOne, true);
            myobj = { label: "第一节 几种常见的统计图表  ", id:"149" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  
           	
 	        myobj = { label: "第二节 用图表描述数据", id:"150" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);
            
            myobj = { label: "第三节 课题学习  从数据谈节水 ", id:"151" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  

             myobj = { label: "第十二章　数居的描述 单元测试", id:"221" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);



           ahmedDocs = new YAHOO.widget.TextNode("第十三章　全等三角形", ahmedDocsRootOne, true);
            myobj = { label: "第一节 全等三角形  ", id:"152" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  
           	
 	        myobj = { label: "第二节 三角形全等的条件", id:"153" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);
            
            myobj = { label: "第三节 角的平分线的性质 ", id:"154" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  

             myobj = { label: "第十三章　全等三角形 单元测试", id:"222" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);



            ahmedDocs = new YAHOO.widget.TextNode("第十四章　轴对称", ahmedDocsRootOne, true);
            myobj = { label: "第一节 轴对称 ", id:"155" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  
           	
 	        myobj = { label: "第二节 轴对称变换", id:"156" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);
            
            myobj = { label: "第三节 等腰三角形 ", id:"157" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  

             myobj = { label: "第十四章　轴对称 单元测试", id:"223" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);



           ahmedDocs = new YAHOO.widget.TextNode("第十五章　整式", ahmedDocsRootOne, true);
            myobj = { label: "第一节 整式的加减 ", id:"158" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  
           	
 	        myobj = { label: "第二节 整式的乘法", id:"159" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);
            
            myobj = { label: "第三节 乘法公式 ", id:"160" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  

            myobj = { label: "第四节 整式的除法 ", id:"161" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false); 

            myobj = { label: "第五节 因式分解 ", id:"162" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);
   
             myobj = { label: "第十五章　整式 单元测试", id:"224" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false); 



            ahmedDocs = new YAHOO.widget.TextNode("第十六章　分式", ahmedDocsRootOne, true);
            myobj = { label: "第一节 分式 ", id:"163" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  
           	
 	        myobj = { label: "第二节 分式的运算", id:"164" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);
            
            myobj = { label: "第三节 分式方程 ", id:"165" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  

             myobj = { label: "第十六章　分式 单元测试", id:"225" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);

        


              ahmedDocs = new YAHOO.widget.TextNode("第十七章　反比例函数", ahmedDocsRootOne, true);
            myobj = { label: "第一节 反比例函数 ", id:"166" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  
           	
 	        myobj = { label: "第二节 实际问题与反比例函数", id:"167" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);
            
             myobj = { label: "第十七章　反比例函数 单元测试", id:"226" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);
		



             ahmedDocs = new YAHOO.widget.TextNode("第十八章　勾股定理", ahmedDocsRootOne, true);
            myobj = { label: "第一节 勾股定理 ", id:"168" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  
           	
 	        myobj = { label: "第二节 勾股定理的逆定理", id:"169" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);
            
             myobj = { label: "第十八章　勾股定理 单元测试", id:"227" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);



           ahmedDocs = new YAHOO.widget.TextNode("第十九章　四边形", ahmedDocsRootOne, true);
            myobj = { label: "第一节 平行四边形 ", id:"170" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  
           	
 	        myobj = { label: "第二节 特殊的平行四边形", id:"171" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);
            
            myobj = { label: "第三节 梯形 ", id:"172" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  

            myobj = { label: "第四节 课题学习  重心 ", id:"173" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  

             myobj = { label: "第十九章　四边形 单元测试", id:"228" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);



           ahmedDocs = new YAHOO.widget.TextNode("第二十章　数据的分析", ahmedDocsRootOne, true);
            myobj = { label: "第一节 数据的代表 ", id:"174" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  
           	
 	        myobj = { label: "第二节 数据的波动", id:"175" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);
            
            myobj = { label: "第三节 课题学习  体质健康中的数据分析 ", id:"176" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  

             myobj = { label: "第二十章　数据的分析 单元测试", id:"229" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);




            ahmedDocs = new YAHOO.widget.TextNode("第二十一章　二次根式", ahmedDocsRootOne, true);
            myobj = { label: "第一节 二次根式 ", id:"178" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  
           	
 	        myobj = { label: "第二节 二次根式的乘除", id:"179" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);
            
            myobj = { label: "第三节 二次根式的加减 ", id:"180" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  

             myobj = { label: "第二十一章　二次根式 单元测试", id:"230" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);




            ahmedDocs = new YAHOO.widget.TextNode("第二十二章　一元二次方程", ahmedDocsRootOne, true);
            myobj = { label: "第一节 一元二次方程 ", id:"181" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  
           	
 	        myobj = { label: "第二节 降次——解一元二次方程", id:"182" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);
            
            myobj = { label: "第三节 实际问题与一元二次方程 ", id:"183" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  

             myobj = { label: "第二十二章　一元二次方程 单元测试", id:"231" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);




            ahmedDocs = new YAHOO.widget.TextNode("第二十三章　旋转", ahmedDocsRootOne, true);
            myobj = { label: "第一节 图形的旋转 ", id:"184" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  
           	
 	        myobj = { label: "第二节 中心对称", id:"185" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);
            
            myobj = { label: "第三节 课题学习  图案设计 ", id:"186" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  

             myobj = { label: "第二十三章　旋转 单元测试", id:"232" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);




            ahmedDocs = new YAHOO.widget.TextNode("第二十四章　圆", ahmedDocsRootOne, true);
            myobj = { label: "第一节 圆 ", id:"187" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  
           	
 	        myobj = { label: "第二节 与圆有关的位置关系", id:"188" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);
            
            myobj = { label: "第三节 正多边形和圆", id:"189" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  

            myobj = { label: "第四节 弧长和扇形面积 ", id:"190" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  

             myobj = { label: "第二十四章　圆 单元测试", id:"233" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);




           ahmedDocs = new YAHOO.widget.TextNode("第二十五章　概率初步", ahmedDocsRootOne, true);
            myobj = { label: "第一节 概率", id:"191" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  
           	
 	        myobj = { label: "第二节 用列举法求概率", id:"192" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);
            
            myobj = { label: "第三节 利用频率估计概率", id:"193" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  

            myobj = { label: "第四节 课题学习  键盘上字母排列规律", id:"194" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  

             myobj = { label: "第二十五章　概率初步 单元测试", id:"234" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);



          ahmedDocs = new YAHOO.widget.TextNode("第二十六章　二次函数", ahmedDocsRootOne, true);
            myobj = { label: "第一节 二次函数", id:"195" } ; 
			var ahmedMsWord = new YAHOO.widget.TextNode(myobj, ahmedDocs, false);  
           	
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             myobj = { label: "第二十七章　相似 单元测试", id:"236" } ; 
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           ahmedDocs = new YAHOO.widget.TextNode("第二十八章　锐角三角形函数", ahmedDocsRootOne, true);
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             myobj = { label: "第二十八章　锐角三角形函数 单元测试", id:"237" } ; 
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            myobj = { label: "第三节 课题学习  制作立体模型", id:"205" } ; 
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		myobj = { label: "数学竞赛", id:"10" } ;
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