var oItem1, oItem2, oItem3, oItem4, oItem5, oItem6, oItem7, oItem8, oItem9, oItem10, oItem11, oItem12, oItem13;

var bMenuOpen=false;

var oSubShowed=null, oSubImg=null;

var aMenu=[];

menuItem=function(sItem) {

    this.item=getDiv(sItem);

    this.subItem=getDiv('sub_'+sItem);

    this.subName='sub_'+sItem;

    this.name=sItem;

    this.imgRoll=true;

    this.showed=false;

    this.diffH=(!is.ns4)?this.subItem.offsetHeight:this.subItem.clip.height;

    this.defY=(!is.ns4)?parseInt(this.item.offsetTop):this.item.top;

    this.defX=(!is.ns4)?parseInt(this.item.offsetLeft):this.item.left;

    aMenu[aMenu.length]=this;

    return this;

}



showMenu=function(nWhich,sWhich) {

    if (oSubShowed) setVisible(oSubShowed.subName,false);

    var oSub=aMenu[nWhich-1]

    var nDiff=oSub.diffH

    for (var i=0; i<aMenu.length; i++) {

        setXY(aMenu[i].name,aMenu[i].defX,aMenu[i].defY)

    }

    if (!oSub.showed) {

        for (var i=nWhich; i<aMenu.length; i++) {

            setXY(aMenu[i].name,aMenu[i].defX,aMenu[i].defY+nDiff)

        }

        swapImage(oSub.name+'_img',Preload.getImgById('left_'+sWhich+'_pick').src,oSub.name);

        setVisible(oSub.subName,true)

        if (oSubShowed && oSubShowed!=oSub) {

            oSubShowed.showed=false;

            oSubShowed.imgRoll=true;

            swapImage(oSubShowed.name+'_img',Preload.getImgById('left_'+oSubImg+'_off').src,oSubShowed.name);

        }

        oSub.imgRoll=false;

        oSub.showed=true;

    } else {

        oSub.showed=false;

        oSub.imgRoll=true;

        swapImage(oSub.name+'_img',Preload.getImgById('left_'+sWhich+'_off').src,oSub.name);

    }

    oSubShowed=aMenu[nWhich-1];

    oSubImg=sWhich;

}

addMenu=function() {

    oItem1=new menuItem('item1');

    oItem2=new menuItem('item2');

    oItem3=new menuItem('item3');

    oItem4=new menuItem('item4');

    oItem5=new menuItem('item5');

    oItem6=new menuItem('item6');

    oItem7=new menuItem('item7');

    oItem8=new menuItem('item8'); 

    oItem9=new menuItem('item9'); 

    oItem10=new menuItem('item10'); 

    oItem11=new menuItem('item11'); 

}