function ShowDiv()
{
	document.getElementById("regdiv").style.display = "block";
}

function HideDiv()
{
	document.getElementById("regdiv").style.display = "none";
}

function regionsRequest(id,iblock)
{
	var req = new JsHttpRequest();
	req.onreadystatechange = function() 
	{
		if(req.readyState!=4)
		{
			document.getElementById('regionslist').innerHTML = "<div width='100%' align='center' style='margin:25px;padding:20px;font-size:16px'>...Загрузка...</div>";
		}
        if (req.readyState == 4) 
        {
        	document.getElementById('regionslist').innerHTML = req.responseJS.text;
            document.getElementById('regionNav').innerHTML = req.responseJS.navmenu;
			document.getElementById('currentRegionT').innerHTML = req.responseJS.curRegion;
        	if(req.responseJS.noSubSection) HideDiv();
        	document.getElementById('region').value = req.responseJS.RegionID;
        }
    }
    req.open(null, '/bitrix/tools/regionsreq.php', true);
    req.send( { ID_REGION: id, IBLOCK_REGIONS : iblock } );
}