var Menus = new Array();
var visible = -1;
var timerID = -1;
function SI(id){
	if(visible==id){
		if(timerID!=-1) window.clearTimeout(timerID);
		return;
	}
	if(visible!=id && visible!=-1) HideItem();
	if(Menus[id] == undefined){
		if(!(obj=document.getElementById('dm'+id))) return;
		Menus[id]=obj;
	}
	Menus[id].style.display='';
	visible=id;
}
function HI(){
	timerID=window.setTimeout('HideItem()', 1000);
}
function HideItem(){
	if(visible==-1) return;
	if(timerID!=-1) window.clearTimeout(timerID);
	Menus[visible].style.display='none';
	timerID=visible=-1;
}
function DownB(im){
	im.src='/sicons/down_b.gif';
}
function UpB(im){
	im.src='/sicons/up_b.gif';
}
function NormB(im){
	im.src='/sicons/normal_b.gif';
}

function Sch(){
	document.write('<form method="get" action="http://www.yandex.ru/yandsearch" style="margin:0;padding:0;position:relative;top:+10px;" target="_blank" onsubmit="return CheckYaForm(this);"><table border="0" cellpadding="0" cellpadding="0"><tr><td><img src="/images/yacon.gif" width="16" height="16" border="0" alt=""></td><td>поиск &nbsp;&nbsp;</td><td><input type="text" name="text" size="50"></td><td><input type="image" src="/images/sbutton.gif" border="0" width="18" height="18" title="Начать поиск"></td></tr></table><input type="hidden" name="site" value="school-11.ru"><input type="hidden" name="ras" value="1"><input type="hidden" name="site_manually" value="true"></form>');
}
function CheckYaForm(f){
	str = trim(f.text.value);
	if(str.length<3){
		alert('Укажите в строке поиска слово или фразу не менее 3 букв');
		f.text.focus();
		return false;
	}
	return true;
}
function trim(str){
	return str.length>0 ? str.replace( /(^\s+|\s+$)/, "" ) : "";
}