Radio button created by the DOM won't operate

[Marko]

Help... from Paris - France

Radio button created by the DOM won't operate (IE6)

This a sample function code, when i try it in a HTML page
Radio buttons won't operate, they feel like disable...why ???:

var this.radio1 = document.createElement("INPUT");
this.radio1.type = "radio";
this.radio1.id = "RAD1";
this.radio1.name = "RAD1"
Document.body.appendChild(this.radio1);

var this.radio2 = document.createElement("INPUT");
this.radio2.type = "radio";
this.radio2.id = "RAD2";
this.radio2.name = "RAD1"
Document.body.appendChild(this.radio2);