function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_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];}}
}

function MM_findObj(n, d) { //v4.0
  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=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


function findPosX (obj) {
 var curLeft=0;
 if (obj.offsetParent){
  while(obj.offsetParent) {
   curLeft+=obj.offsetLeft;
   obj=obj.offsetParent;
  }
 } else if (obj.x){
  curLeft+=obj.x;
 }
 return curLeft;
}

function findPosY (obj) {
 var curTop=0;
 if (obj.offsetParent){
  while(obj.offsetParent) {
   curTop+=obj.offsetTop;
   obj=obj.offsetParent;
  }
 } else if (obj.y){
  curTop+=obj.y;
 }
 return curTop;
}

var currentMenu="";
var AllMenus=new Object();
var menuTimeout="";
function TopMenu(m_id, sm_id){
	
        AllMenus[m_id]=this;
	this.menuid=m_id;
	this.submenuid=sm_id;

	this.on=function(){
		try{ currentMenu.off(); } catch (e){}
		if(currentMenu==this) return;
		currentMenu=this;
		document.getElementById(this.menuid).className="menuOn";
		var m2=document.getElementById(this.menuid+"1");
		m2.className="menuOn";
		if (this.submenuid!=null) {
			var m=document.getElementById(this.submenuid);
			var x=findPosX(m2);
			var y=findPosY(m2);
			m.style.left=x+1;
			m.style.top=y+39;
			m.style.visibility="visible";
		}
	};

	this.off=function(){
		currentMenu=null;
		try{clearTimeout(menuTimeout);} catch (e){}
		document.getElementById(this.menuid).className="menuOff";
		document.getElementById(this.menuid+"1").className="menuOff";
		if (this.submenuid!=null) {
			document.getElementById(this.submenuid).style.visibility='hidden';
			cur=null;
		}
	};

	this.offAsync=function(){
		try{clearTimeout(menuTimeout);} catch (e){}
		if(this.submenuid==null) this.off();
		else menuTimeout=setTimeout("AllMenus['"+this.menuid+"'].off();",500);
	};
}

menu_a=new TopMenu("menu_a",null);
menu_b=new TopMenu("menu_b","menu1");
menu_c=new TopMenu("menu_c","menu2");
menu_d=new TopMenu("menu_d","menu3");
menu_e=new TopMenu("menu_e","menu4");
menu_f=new TopMenu("menu_f","menu5");
menu_g=new TopMenu("menu_g","menu7");
menu_h=new TopMenu("menu_h","menu6");