Rich = Boolean (document.getElementById && document.styleSheets);

if (Rich) {

	document.write('<link rel="stylesheet" type="text/css" href="styles.css"/>');


function getNextSiblingByClassName(element, className) {
	do element = element.nextSibling;
	while (element && (!element.className || (element.className.indexOf(className) == -1)));
	return element;
}

function Show() {
		document.getElementById("Submenu").style.display = (document.getElementById("Submenu").style.display=="block") ? "none" : "block";
}
function swapDisplay(x) {
	x.style.display = (x.style.display=="block") ? "none" : "block";
}

function Dis(x,className) {
		swapDisplay(getNextSiblingByClassName(x.parentNode, className));
}
function showAll (){
	x = document.getElementsByTagName("div");
	for(i=0; i<x.length; i++) {
        if (x[i].className=="Block") x[i].style.display="block";
	}
}

function hideAll (){
	x = document.getElementsByTagName("div");
	for(i=0; i<x.length; i++) {
        if (x[i].className=="Block") x[i].style.display="none";
	}
}


}