table 小问题 ,在线等,测试经过马上揭帖
<table   id= "table ">  
 	 <tr>  
 		 <td   align= "center ">  
 			 <span   name= "IsReturn ">  
 				 <input   id= "ck0 "   type= "checkbox "   name= "ck0 "/>  
 			 </span>  
 		 </td>  
 		 <td>  
 			1234 
 		 <td>  
 	 </tr>  
 	 <tr>  
 		 <td   align= "center ">  
 			 <span   name= "IsReturn ">  
 				 <input   id= "ck1 "   type= "checkbox "   name= "ck1 "/>  
 			 </span>  
 		 </td>  
 		 <td>  
 			435345 
 		 <td>  
 	 </tr>  
 	 <tr>  
 		 <td   align= "center ">  
 			 <span   name= "IsReturn ">  
 				 <input   id= "ckn "   type= "checkbox "   name= "ckn "/>  
 			 </span>  
 		 </td>  
 		 <td>  
 			126464534 
 		 <td>  
 	 </tr>  
  </table>    
 这个结构的table,如何遍历判断每行的checkbox的选中情况,如果选中alert当前行第二个td中的innerText   
 多谢,先来先得。
------解决方案-------------------- <html>  
  <head>  
  <script language=javascript>      
 	function a(){ 
 	var tmp=document.getElementsByTagName( "input "); 
 	var checks=new Array(); 
 	if(tmp!=null){ 
 		for(var i=0;i <tmp.length;i++){ 
 			if(tmp[i].type== "checkbox "){ 
 				//checks.push(tmp[i]); 
 				if(tmp[i].checked){ 
 					alert(tmp[i].parentNode.parentNode.nextSibling.firstChild.nodeValue); 
 				} 
 			} 
 		}  		 
 	}  	  	 
 } 
  </script>  
  </head>  
  <body>    
  <input type=button onclick= "a() " value= "click ">  
  <table id= "table " border=1>  
 	 <tr>  
 		 <td align= "center ">  
 			 <span name= "IsReturn ">  
 				 <input id= "ck0 " type= "checkbox " name= "ck0 "/>  
 			 </span>  
 		 </td>  
 		 <td>  
 			1234 
 		 <td>  
 	 </tr>  
 	 <tr>  
 		 <td align= "center ">  
 			 <span name= "IsReturn ">  
 				 <input id= "ck1 " type= "checkbox " name= "ck1 "/>  
 			 </span>  
 		 </td>  
 		 <td>  
 			435345 
 		 <td>  
 	 </tr>  
 	 <tr>  
 		 <td align= "center ">  
 			 <span name= "IsReturn ">  
 				 <input id= "ckn " type= "checkbox " name= "ckn "/>  
 			 </span>  
 		 </td>  
 		 <td>  
 			126464534 
 		 <td>  
 	 </tr>  
  </table>    
  </body>  
  </html>
------解决方案-------------------- <script>  
 	var Iobj = document.getElementsByTagName( "input "); 
 	for(var i=0;i <Iobj.length;i++) 
 	{ 
 		if(Iobj.type ==  "checkbox ") 
 		{ 
 			if(Iobj[i].checked) 
 			{ 
 				alert(Iobj[i].parentNode.parentNode.parentNode.childNodes(1).innerText); 
 			} 
 		} 
 	} 
  </script>
------解决方案--------------------  function check(name) 
 { 
 for(var n=0;n <100;n++) 
 if(document.all[nam