function ShowMenu(Elem)
{
	obj = document.getElementById(Elem);
	var punkts = new Array ('about', 'production', 'uslugi');
	
	if (obj != null)   
	{	
		for (key in punkts)
		{
				document.getElementById(punkts[key]).style.display = "none";		
		}														   
		obj.style.display = 'block';
	} 
	return false;
}

function Change(Elem)	 
{
	obj = document.getElementById(Elem);
	img = document.getElementById(Elem+'IM');
	if (obj != null) {
		if (obj.style.display != "none") {
			obj.style.display = "none";
			if (img != null)
				img.src="/images/punkt1.gif";
			
		} else {
			obj.style.display = "block"; 
			if (img !=null)
				img.src="/images/punkt2.gif";
			
		}
	}
	return false;
} 

function Expand(elemId, forWhat) {
	obj = document.getElementById(elemId);
	if (obj != null) {
		obj.style.color="#1872be";
		while (obj!=null && obj.parentElement.id != forWhat) {
			parentObject = obj.parentElement
			if (parentObject.tagName == "DIV") {
				parentObject.style.display = "block";
				im = document.getElementById(parentObject.id+'IM');
				if (im != null)
					im.src="/images/punkt2.gif";
			}
			obj = obj.parentElement;
		}
	}
}