var _el = function (what) {
	return document.getElementById(what);
};
function changeTab(what) {
	if (_el(what+'_menu').style.display == 'inline') return false;
	for (n=1; n<=3; n++) {
		if ('tab'+n == what) {
			_el('tab'+n).src = 'images/fo/tab'+n+'_act.gif';
			_el('tab_img').src = 'images/fo/img_tab'+n+'.jpg';
			_el('tab_bg').style.background = 'url(images/fo/bg_tab'+n+'.jpg) top right no-repeat';
			_el('tab'+n+'_menu').style.display = 'inline';
		} else {
			_el('tab'+n).src = 'images/fo/tab'+n+'_dis.gif';
			_el('tab'+n+'_menu').style.display = 'none';
		}
	}
}
function sendForm() {
	_el("SubmitBut").disabled = true;
	_el("loader").innerHTML = '<iframe id="loaderFrame" name="loaderFrame"></iframe>';
	return true;
}