var theTimeout;
var activeMenu = "";
function startTimeOut(menuName) {
	theTimeout = setTimeout("hideMenu('" + menuName + "')", 1000);
}
function clearTime() {
	if(theTimeout)
		clearTimeout(theTimeout);
	theTimeout = false;
}
function show(menuName) {
	clearTime();
	if(menuName != activeMenu) {
		if(activeMenu != "")
			hideMenu(activeMenu);
		activeMenu = menuName;
		document.getElementById(menuName).style.display = "block";
	}
	clearTime();
}
function hideMenu(menuName) {
	document.getElementById(menuName).style.display = "none";
	activeMenu = "";
}
function preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}