javascript 一个很急的问题，各位大侠帮帮我啊！！！！

其他整个代码如下：
<html>
<head>
<title>DRAG the DIV</title><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><style>
*{font-size:12px}
.dragTable{
 font-size:12px;
 border-top:1px solid #3366cc;
 margin-bottom: 10px;
 width:100%;
 background-color:#FFFFFF;
}td{vertical-align:top;}.dragTR{
 cursor:move;
 color:#7787cc;
 background-color:#e5eef9;
 height:20px;
 padding-left:5px;
 font-weight:bold;
}#parentTable{
 border-collapse:collapse;
 letter-spacing:25px;
}</style><script defer>/****JoeLee************E-MAIL:[email protected]****<a class='Channel_KeyLink' href='http://www.51it.org/school/tools/tongxun/qq/index.html'>QQ</a>:48293707*****11:09 2006-2-9******/ var Drag={
  dragged:false,
  ao:null,
  tdiv:null,
 
  dragStart:function(){
   Drag.ao=event.srcElement;   if((Drag.ao.tagName=="TD")||(Drag.ao.tagName=="TR")){
    Drag.ao=Drag.ao.offsetParent;
    Drag.ao.style.zIndex=100;
   }else
    return;  Drag.dragged=true;
  Drag.tdiv=document.createElement("div");
  Drag.tdiv.innerHTML=Drag.ao.outerHTML;
  Drag.ao.style.border="1px dashed red";
  Drag.tdiv.style.display="block";
  Drag.tdiv.style.position="absolute";
  Drag.tdiv.style.filter="alpha(opacity=70)";
  Drag.tdiv.style.cursor="move";
  Drag.tdiv.style.border="1px solid #000000";
  Drag.tdiv.style.width=Drag.ao.offsetWidth;
  Drag.tdiv.style.height=Drag.ao.offsetHeight;
  Drag.tdiv.style.top=Drag.getInfo(Drag.ao).top;
  Drag.tdiv.style.left=Drag.getInfo(Drag.ao).left;
  document.body.appendChild(Drag.tdiv);
  Drag.lastX=event.clientX;
  Drag.lastY=event.clientY;
  Drag.lastLeft=Drag.tdiv.style.left;
  Drag.lastTop=Drag.tdiv.style.top;
 }, draging:function(){//&#65430;&#65432;&#65426;&#65386;:&#65413;&#65424;&#65398;&#65423;MOUSE&#65397;&#65412;&#65422;&#65403;&#65430;&#65411; if(!Drag.dragged||Drag.ao==null)return; var tX=event.clientX; var tY=event.clientY; Drag.tdiv.style.left=parseInt(Drag.lastLeft)+tX-Drag.lastX; Drag.tdiv.style.top=parseInt(Drag.lastTop)+tY-Drag.lastY; for(var i=0;i<parentTable.cells.length;i++){  var parentCell=Drag.getInfo(parentTable.cells[i]);  if(tX>=parentCell.left&&tX<=parentCell.right&&tY>=parentCell.top&&tY<=parentCell.bottom){   var subTables=parentTable.cells[i].getElementsByTagName("table");   if(subTables.length==0){    if(tX>=parentCell.left&&tX<=parentCell.right&&tY>=parentCell.top&&tY<=parentCell.bottom){     parentTable.cells[i].appendChild(Drag.ao);    }    break;   }   for(var j=0;j<subTables.length;j++){    var subTable=Drag.getInfo(subTables[j]);    if(tX>=subTable.left&&tX<=subTable.right&&tY>=subTable.top&&tY<=subTable.bottom){     parentTable.cells[i].insertBefore(Drag.ao,subTables[j]);     break;    }else{     parentTable.cells[i].appendChild(Drag.ao);    }    }  } }}, dragEnd:function(){ if(!Drag.dragged)return; Drag.dragged=false; Drag.mm=Drag.repos(150,15); Drag.ao.style.borderWidth="0px"; Drag.ao.style.borderTop="1px solid #3366cc"; Drag.tdiv.style.borderWidth="0px"; Drag.ao.style.zIndex=1;},getInfo:function(o){//&#65416;&#65377;&#65397;&#65411;&#65431;&#12539; var to=new Object(); to.left=to.right=to.top=to.bottom=0; var twidth=o.offsetWidth; var theight=o.offsetHeight; while(o!=document.body){  to.left+=o.offsetLeft;  to.top+=o.offsetTop;  o=o.offsetParent; }  to.right=to.left+twidth;  to.bottom=to.top+theight; return to;},repos:function(aa,ab){ var f=Drag.tdiv.filters.alpha.opacity; var tl=parseInt(Drag.getInfo(Drag.tdiv).left); var tt=parseInt(Drag.getInfo(Drag.tdiv).top); var kl=(tl-Drag.getInfo(Drag.ao).left)/ab; var kt=(tt-Drag.getInfo(Drag.ao).top)/ab; var kf=f/ab; return setInterval(function(){if(ab<1){       clearInterval(Drag.mm);       Drag.tdiv.removeNode(true);       Drag.ao=null;       return;      }     ab--;     tl-=kl;     tt-=kt;     f-=kf;     Drag.tdiv.style.left=parseInt(tl)+"px";     Drag.tdiv.style.top=parseInt(tt)+"px";     Drag.tdiv.filters.alpha.opacity=f;    },aa/ab)}, inint:function(){//&#65395;&#65404;&#65403;&#65391; for(var i=0;i<parentTable.cells.length;i++){
  var subTables=parentTable.cells[i].getElementsByTagName("table");  for(var j=0;j<subTables.length;j++){
   if(subTables[j].className!="dragTable")break;
   subTables[j].rows[0].className="dragTR";
   subTables[j].rows[0].attachEvent("onmousedown",Drag.dragStart);
  }
 } document.onmousemove=Drag.draging;
 document.onmouseup=Drag.dragEnd;
}//end of Object Drag}Drag.inint();
function _show(str){
 var w=window.open('','');
 var d=w.document;
 d.open();
 str=str.replace(/=(?!")(.*?)(?!")( |>)/g,"=\"$1\"$2");
 str=str.replace(/(<)(.*?)(>)/g,"<span style='color:red;'>&lt;$2&gt;</span><br />");
 str=str.replace(/\r/g,"<br />\n");
 d.write(str);
}
function insertTable(parentTable,column,title,content){
         //  var divDiv = document.createElement("div");
//divDiv.innerHTML = '<table cellpadding="0" cellspacing="0" width="100%" class="dragTable"><tr><td></td></tr></table>';
// parentTable.innerHTML='<table cellpadding="0" cellspacing="0" width="100 class="dragTable"><tr><td></td></tr></table>';
var nTable=document.createElement("table");
      // parentTableTR=document.createElement("TR");
      // parentTableTD=document.createElement("TD");
       
        mytable = document.createElement("TABLE");
        mytablebody = document.createElement("TBODY");

mycurrent_row0=document.createElement("TR");
mycurrent_row1=document.createElement("TR");

mycurrent_cell0=document.createElement("TD");
    mycurrent_cell1=document.createElement("TD");
currenttext0=document.createTextNode(title);

mycurrent_cell0.setAttribute('bgcorlor','#ffffff');
alert(mycurrent_row0.getAttribute('bgColor'));
mycurrent_cell0.style.backgroundColor='#ffffff';
currenttext1=document.createTextNode(content); mycurrent_cell0.appendChild(currenttext0);
mycurrent_cell1.appendChild(currenttext1);
        mycurrent_row0.appendChild(mycurrent_cell0);
        mycurrent_row1.appendChild(mycurrent_cell1); mytablebody.appendChild(mycurrent_row0);
mytablebody.appendChild(mycurrent_row1);
        // appends TBODY into TABLE
        mytable.appendChild(mytablebody);
        // sets the border attribute of mytable to 2;
        mytable.setAttribute("border","1");
        mytable.setAttribute("class","dragTable");
mytable.className="dragTable";

        alert(mytable.getAttribute("class"));
    //   mytable.setAttibute("cellspacing","0");
        mytable.setAttribute("width","100%");
       alert(mytable.getAttribute("width"));
mytable.setAttribute("height","50");

//parentTable.appendChild(parentTableTR);
//parentTable.appendChild(parentTableTD);
parentTable.cells[column].appendChild(mytable);
//window.location.reload(); }
function test1(){
str1+="parentTable.cells.length=";
str1+=document.all.parentTable.cells.length;
str1+="\n"; var subTables=parentTable.cells[0].getElementsByTagName("table");
str1+="第一个子表中的table数：";
str1+=subTables.length;
str1+="\n"; disp1.value=str1
}
function test2(){
var thecolor=document.getElementsByTagName("table");
var element=thecolor[1].attributes["class"].value;

var col=document.all.column.value;
var t=document.all.title.value;
var c=document.all.content.value;
 //  alert(thecolor); insertTable(document.all.parentTable,col,t,c);  }</script></head>

解决方案 »

  1.   

    <body>
    column:<input name="column"><br>
     title:<input name="title"><br>
     content:<input name="content"><br>
     <input type="button" value="增加一个table" onclick="return test2();"><br>
    <input type="button" value="显示属性" onclick="return test1();" id=button2 name=button1><br>
     <table border="1" width="100%" height=500 id="parentTable">
     
    <tr>
        <td>
    <table border="1" width="100%" class="dragTable">
    <tr>
    <td bgcolor="green">gmail</td>
    </tr>
    <tr>
    <td>login gmail</td>
    </tr>
    </table> <table border="1" width="100%" class="dragTable">
    <tr>
    <td bgcolor="blue">天气情况</td>
    </tr>
    <tr>
    <td>相当好</td>
    </tr>
    </table>
    </td>
    <td>
    2
    </td>
    <td>
    3
    </td>
    </tr>
     </table></body></html>
      

  2.   

    来接分! 你用用document.getElementById("").style=""来看一下
      

  3.   

    dinggushan
    您说的是什么意思啊
      

  4.   

    .dragTable{
     font-size:12px;
     border-top:1px solid #3366cc;
     margin-bottom: 10px;
     width:100%;
     background-color:#FFFFFF;
     position:absolute;  /* add attribute */
     z-index:9;          /* add attribute */
    }