window.attachEvent('onload', setFocus);

function setFocus()
{ 
    for (f=0; f < document.forms.length; f++)
        for(i=0; i < document.forms[f].length; i++)
            if ((document.forms[f][i].type != "hidden") && (document.forms[f][i].disabled != true))
                {document.forms[f][i].focus(); break;}
}