<script>
function showobj()
{
         var showdiv =document.createElement("div");
         showdiv.setAttribute("id","div1");
         showdiv.innerHTML = "The Layer Will Be Show!";
         showdiv.style.top=0;
         showdiv.style.left=0;
         showdiv.style.height = "100px";
         showdiv.style.backgroundColor = "#0080FF";
         document.body.appendChild(showdiv);
}

function oClickobj(){

showobj();

//希望能得到动态生成的层的ID;试过很多次，对getElementById这个方法的用法都还是很朦胧!

var oDivshow=document.getElementById(div1);

if(oDivshow!=null){

//希望在此动态设置层的位置;
document.write(oDivshow.style.top);
document.write(oDivshow.style.left);
}

}

</script>


<input id=oMessage type=text size=40 value="In this bottom">
<br><br>
<input id=but type=button value="Click Here Show The Layer" onclick="oClickobj();">?<input type=button value=" Close The Layer">

////////////////////////////////////////////////////////////////////////////////////////////////////////


[bo]希望高手帮小弟改一改上面的代码!改成可以自由的控制生成的层的定位和显示,和讲解一下getElementById这个方法的具体用法,我试了好多次,都不是很清楚,谢谢您![/bo]



/////////////////////////////////////////////////////////////////////////////////////////////////////////

对啊!在此表示感谢!呵呵

_________________________________________________________
我对你的仰慕有如滔滔江水,连绵不绝啊!
先试了!

<script>
function showobj(oDiv)
{
         var showdiv =document.createElement("div");
         showdiv.setAttribute("id","div2");
         showdiv.innerHTML = "The Layer Will Be Show!";
         showdiv.position='absolute'
         showdiv.style.top=(oDiv.style.top-15).toString()+'px';
         showdiv.style.left=(oDiv.style.left).toString()+'px';
         showdiv.style.height = "100px";
         showdiv.style.backgroundColor = "#0080FF";
         document.body.appendChild(showdiv);
}

function oClickobj(){

var oDivshow=document.getElementById("but");

showobj(oDivshow);


}

</script>


<input id=oMessage type=text size=40 value="In this bottom">
<br><br>
<input id=but type=button value="Click Here Show The Layer" onclick="oClickobj();"> <input type=button value=" Close The Layer">