function toggle(sDivId) {

	var oDiv = document.getElementById (sDivId);

	var main = document.getElementById ('main'); if (main==oDiv) main.style.display = 'block'; else main.style.display = 'none';
	var about = document.getElementById ('about'); if (about==oDiv) about.style.display = 'block'; else about.style.display = 'none';
	var news = document.getElementById ('news'); if (news==oDiv) news.style.display = 'block'; else news.style.display = 'none';
	var spec = document.getElementById ('spec'); if (spec==oDiv) spec.style.display = 'block'; else spec.style.display = 'none';
	var catalog = document.getElementById ('catalog'); if (catalog==oDiv) catalog.style.display = 'block'; else catalog.style.display = 'none';
	var docs = document.getElementById ('docs'); if (docs==oDiv) docs.style.display = 'block'; else docs.style.display = 'none';
	var partners = document.getElementById ('partners'); if (partners==oDiv) partners.style.display = 'block'; else partners.style.display = 'none';
	var otz = document.getElementById ('otz'); if (otz==oDiv) otz.style.display = 'block'; else otz.style.display = 'none';
	var faq = document.getElementById ('faq'); if (faq==oDiv) faq.style.display = 'block'; else faq.style.display = 'none';
	var contacts = document.getElementById ('contacts'); if (contacts==oDiv) contacts.style.display = 'block'; else contacts.style.display = 'none';

}
function set(setDiv) {

	var setDiv = document.getElementById(setDiv);
	setDiv.style.display = (setDiv.style.display == "block") ? "none" : "block";

}
function sh(pnDiv) {
	var pn_Div = document.getElementById(pnDiv);
	pn_Div.style.display = "block";
}

function hd(plDiv) {
	var pl_Div = document.getElementById(plDiv);
	pl_Div.style.display = "none";
}