function checkLen(o){
	if(o.value.length == o.maxLength && o.tabIndex < o.form.length){
		var next = o.tabIndex + 1;
		for(var i = o.tabIndex, el = o.form.elements; i < el.length; i++){
			if(el[i].tabIndex == next)
				try{ o.autoComplete = 'off'; el[i].focus(); }catch(e){}
		}
	}
}