var learnTimer;
var areasTimer;

function showLearnDropdown() {
	hideAreasDropdown();
	window.clearTimeout(learnTimer);
	learnTimer = null;
	$("#learnDD").slideDown("fast");
}

function setLearnHideTimeout() {
	learnTimer = window.setTimeout('hideLearnDropdown()', 1000);
}

function cancelLearnHideTimeout() {
	window.clearTimeout(learnTimer);
	learnTimer = null;
}

function hideLearnDropdown() {
	$("#learnDD").slideUp("fast");
	window.clearTimeout(learnTimer);
	learnTimer = null;
}

function showAreasDropdown() {
	hideLearnDropdown();
	window.clearTimeout(areasTimer);
	areasTimer = null;
	$("#areasDD").slideDown("fast");
}

function setAreasHideTimeout() {
	areasTimer = window.setTimeout('hideAreasDropdown()', 1000);
}

function cancelAreasHideTimeout() {
	window.clearTimeout(areasTimer);
	areasTimer = null;
}

function hideAreasDropdown() {
	$("#areasDD").slideUp("fast");
	window.clearTimeout(areasTimer);
	areasTimer = null;
}

function closeDropdowns() {
	$("#learnDD").slideUp("fast");
	window.clearTimeout(learnTimer);
	learnTimer = null;
	$("#areasDD").slideUp("fast");
	window.clearTimeout(areasTimer);
	areasTimer = null;
}