js 动态 activex 组件

function writeObject(){
    var obj = document.getElementById("mydelphi");
    if(!obj){
        var divobj = document.createElement("div");
        divobj.innerHTML = '<OBJECT id="mydelphi" classid="clsid:XXXXXXXXXXXXXXXXXXX" codebase="'+mainpath+'ActiveFormProj1.ocx#version=2,0,0,0" width=0 height=0 align=center hspace=0 vspace=0></OBJECT>';
        if(document.body)
            document.body.appendChild(divobj);
        else
            document.appendChild(divobj);  

        obj = document.getElementById("aaa");
    }  

    return obj;
}