window.onload=nav;
function nav(id) {
var d = document.getElementById(id);
	for (var i = 1; i<=10; i++) {
		if (document.getElementById('smenu'+i)) {document.getElementById('smenu'+i).style.display='none';}
	}
if (d) {d.style.display='block';}
setDynHeight();
}

   
function setDynHeight() {
	contentHeight = document.getElementById("content").offsetHeight;
	newHeight = contentHeight + 286;
	document.getElementById("box").style.height=(newHeight)+"px";
}