function focusInput(elems)
{
	var count = elems.length;
	var i = 0;
	while (i < count) {
		var elem = elems[i];
		var name = elem.tagName;
		if (name === 'INPUT') {
			var type = elem.type;
			if (type === 'text' || type === 'password') {
				elem.focus();
				return elem;
			}
		} else if (name === 'TEXTAREA') {
			elem.focus();
			return elem;
		}
		++i;
	}
	return null;
}
window.onload = function()
{
	if (document.forms.length > 0) {
		focusInput(document.forms[0].elements);
	}
}