reference AW.UI.Input by ID?

I am testing an AW.UI.Input. I tried to reference it by ID:

var tbx=new AW.UI.Input;
tbxSltShipId.setId("tbx");
......
document.forms[0].elements["tbx"].innerText = "This";
document.getElementById("tbx").innerText = "This";
document.forms[0].elements["tbx"].blur();
document.getElementById("tbx").blur();

All of the above last 4 lines caused error. How can I set id and use it in javascript?

Thanks,

any reason to not just do:

tbx.setControlText("This");

If you do an alert(tbx) you will see that the element itself has a number of members and I don't think you can just set the innerText like this for an input type. That only works on AW.HTML.XXX objects that I've seen thus far.

Mike

Thanks Mike!

Now I understood that only AW.HTML.XXX objects can work like HTML elements.