function showIndex() {
	document.getElementById('submenuIndex').style.display = "block";
}

function hideIndex() {
	document.getElementById('submenuIndex').style.display = "none";
}

function showCat() {
	document.getElementById('submenuCategory').style.display = "block";
}

function hideCat() {
	document.getElementById('submenuCategory').style.display = "none";
}

function hideCategory() {
	setTimeout("hideCat();", 1000);

}