var openContainer = null;
var openMenus = null;
var hideMenuTimer = null;

function menuTimeout(hideTimeout) {
	hideMenuTimer = setTimeout("menuHideMenus()", hideTimeout);	
}

function menuHideMenus() {
	menuResetTimeout();
	if(openContainer) {
		var c = document.getElementById(openContainer);
		c.style.visibility = "inherit";
		openContainer = null;
	}
	if( openMenus ) {
		for(var i in openMenus) {
			var m = document.getElementById(openMenus[i]);
			m.style.visibility = "hidden";			
		}
		openMenus = null;
	}
}

function menuHideSubs(menuName) {
	if( openMenus ) {
		var h = false;
		var c = 0;
		for(var i in openMenus) {
			if( h ) {
				var m = document.getElementById(openMenus[i]);
				m.style.visibility = "hidden";
			} else if( openMenus[i] == menuName ) {
				h = true;
			} else {
				c++;
			}
		}
		openMenus.length = c+1;
	}
}

function menuOver(menuName, subMenuSuffix) {
	menuResetTimeout();
	menuHideSubs(menuName);
	if( subMenuSuffix ) {
		var subMenuName = "" + menuName + "_" + subMenuSuffix;
		menuShowSubMenu(subMenuName);
	}
}

function menuShowSubMenu(subMenuName) {
	menuResetTimeout();
	var e = document.getElementById(subMenuName);
	e.style.visibility = "inherit";
	if( !openMenus ) {
		openMenus = new Array;
	}
	openMenus[openMenus.length] = "" + subMenuName;
}

function menuResetTimeout() {
	if (hideMenuTimer) clearTimeout(hideMenuTimer);
	hideMenuTimer = null;
}

function showMenu(containName, menuName, xOffset, yOffset, triggerName) {
	menuHideMenus();
	menuResetTimeout();
	showMenuContainer(containName, xOffset, yOffset, triggerName);
	menuShowSubMenu(menuName);
}

function showMenuContainer(containName, x, y, triggerName) {	
	var c = document.getElementById(containName);
	var s = c.style;
	s.visibility = "inherit";
	
	openContainer = "" + containName;
}

function findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function swapImg() { //v3.0
  var i,j=0,x,a=swapImg.arguments; document.sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=findObj(a[i]))!=null){document.sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function restoreImg() { //v3.0
  var i,x,a=document.sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function preLoad() { //v3.0
  var d=document; if(d.images){ if(!d.p) d.p=new Array();
    var i,j=d.p.length,a=preLoad.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.p[j]=new Image; d.p[j++].src=a[i];}}
}

function juMp(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}