var rheight = 35; 
	
	function setHeight(sheight)
	{
		rheight = sheight;
	}
	
	function expandMenu()
	{
		document.getElementById("menun").style.height = rheight+300 + "px";	
	}
	
	function contractMenu()
	{
		document.getElementById("menun").style.height = rheight + "px";
	}