function ShowNavi(obj)
{	
	if(obj == "top_s")
	{	
		document.all.top_h.style.visibility = "hidden";
		document.all.top_s.style.visibility = "visible";
	}
	//else if(obj == "top_c")
	//{	
	//	document.all.top_s.style.visibility = "hidden";
		//document.all.top_c.style.visibility = "visible";
	//}
	else
	{	
		document.all.top_s.style.visibility = "hidden";
		document.all.top_h.style.visibility = "visible";
	}
}

// *** MENU - Linkfarbe ... ***
function ShowColor(obj)
{	
	self.col = self.col + "";
	if (self.col == "undefined")
	{
		self.col1 = obj;
		document.all.home.style.color = "#FFFFFF";
		obj.style.color = "#898989";
		self.col = "OK";
	}
	else
	{
		self.col1.style.color = "#FFFFFF";
		obj.style.color = "#898989";
		self.col1 = obj;
	}
}

// *** Hintergrund festlegen ***
function ShowBackground()
{		
	if (screen.height == "480")
	{
		document.all.main_body.style.backgroundImage = "url(images/background/background_480.jpg)";
	}
	else if (screen.height == "600")
	{
		document.all.main_body.style.backgroundImage = "url(images/background/background_600.jpg)";
	}
	else if (screen.height == "768")
	{
		document.all.main_body.style.backgroundImage = "url(images/background/background_768.jpg)";
	}
	else if (screen.height == "1024")
	{
		document.all.main_body.style.backgroundImage = "url(images/background/background_1024.jpg)";
	}
	else if (screen.height == "1050")
	{
		document.all.main_body.style.backgroundImage = "url(images/background/background_1050.jpg)";
	}
	else
	{
		document.all.main_body.style.backgroundImage = "url(images/background/background_1050.jpg)";	
	}
	
}