//esm javascript
function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=1,resizable=1,width=400,height=300');");
}
function showmenu() {
	document.getElementById('dropdown').style.visibility = "visible";
	document.getElementById('inside_tracks').style.visibility = "hidden";
}
function hidemenu() {
	document.getElementById('dropdown').style.visibility = "hidden";
	document.getElementById('inside_tracks').style.visibility = "visible";
}