JMENU_LEFT =   0;
JMENU_RIGHT =  1;
JMENU_TOP =    2;
JMENU_BOTTOM = 3;

function CJMenuList(objMenu,domA,sMenuID,sParentID,iDir)
{
    var self = this;
    this.m_objMenu = objMenu;
    this.m_domLink = domA;
    this.m_sID = sMenuID;
    this.m_sParent = sParentID;
    this.m_domID = null;
    this.m_domParent = null;
    this.m_iDir = iDir;
    this.m_iTimer = null;
    
    this.m_objParent = null;
    this.m_aChilds = new Array();
    
    this.m_objCurrent = null;
    
    this.m_domLink.onmouseout = function(){self.Out();};
    
    this.SetCurrent = function(objCurrent)
    {
        this.m_objCurrent = objCurrent;
    }
    
    this.ResetTimer = function(bChilds)
    {
        if(typeof(bChilds)=="undefined")
            bChilds = true;
        clearTimeout(this.m_iTimer);
        if(bChilds)
        {
            for(var i=0;i<this.m_aChilds.length;i++)
            {
                this.m_aChilds[i].ResetTimer();
            }
        }     
        if(this.m_objParent!=null)
        {
            this.m_objParent.ResetTimer(false);
        }   
    }
    
    this.SetParent = function(objParent)
    {
        this.m_objParent = objParent;
    }
    
    this.AddChild = function(objChild)
    {
        this.m_aChilds.push(objChild);    
    }
    
    this.Show = function()
    {
        if(this.m_objParent && this.m_objParent.m_objCurrent)
        {
            if(this.m_objParent.m_objCurrent == this)
                return false;
            else
            {
                this.m_objParent.m_objCurrent.Hide(true,false);
                this.m_objParent.m_objCurrent = null;
            }
        }
        this.ResetTimer();
        
        if(!this.m_domID)
        {
            this.m_domID = document.getElementById(this.m_sID);
            if(!this.m_domID)
                return false;
            
            this.m_domID.onmouseover = function(){self.ResetTimer();};
            this.m_domID.onmouseout = function(){self.Out();};
            this.m_domID.onclick = function(){self.Hide();};
        }
        if(this.m_sParent!="" && !this.m_domParent)
            this.m_domParent = document.getElementById(this.m_sParent);    
            
        if(!this.m_domID)
            return false;
            
        var iLeft = 0;
        var iTop = 0;
        this.m_domID.style.visibility = "hidden";
        this.m_domID.style.display = "block";
        switch(this.m_iDir)
        {
            case JMENU_LEFT:
            {
                if(this.m_domParent)           
                {
                    aPosLink = this.m_objMenu.getElementPosition(this.m_domLink);
                    aPos = this.m_objMenu.getElementPosition(this.m_domParent);
                    iTop = aPosLink.top;
                    iLeft = (aPos.left)-(this.m_domID.offsetWidth);
                    iLeft = parseInt(iLeft);    
                }
                else
                {
                    aPos = this.m_objMenu.getElementPosition(this.m_domLink);
                    iTop = aPos.top;
                    iLeft = (aPos.left)-(this.m_domID.offsetWidth);
                    iLeft = parseInt(iLeft);    
                }
            }
            break;
            case JMENU_BOTTOM:
            {
                var aPos = null;
                if(this.m_domParent)           
                {
                    aPos = this.m_objMenu.getElementPosition(this.m_domParent);
                    var aLink = this.m_objMenu.getElementPosition(this.m_domLink);
                    iTop = aLink.top;
                    iLeft = aPos.left + aPos.width; 
                }
                else
                {
                    var iAdd = 14;  
                    if(typeof(g_iMenuBottomAdd)!="undefined")
                        iAdd = parseInt(g_iMenuBottomAdd);
                    aPos = this.m_objMenu.getElementPosition(this.m_domLink);
                    iTop = aPos.top + aPos.height + iAdd;
                    iLeft = (aPos.left+aPos.width/2); //-(this.m_domID.offsetWidth/2);
                    iLeft = parseInt(iLeft);
                }
                
            }
            break;
            case JMENU_RIGHT:
            {
                var aPos = null;
                if(this.m_domParent)           
                {
                    aPos = this.m_objMenu.getElementPosition(this.m_domParent);
                    var aLink = this.m_objMenu.getElementPosition(this.m_domLink);
                    iTop = aLink.top;
                }
                else
                {
                    aPos = this.m_objMenu.getElementPosition(this.m_domLink);
                    iTop = aPos.top;
                }
                iLeft = aPos.left + aPos.width;
            }       
            break;
        }
        
        this.m_domID.style.left = iLeft+"px";
        this.m_domID.style.top= iTop+"px";
        this.m_domID.style.visibility = "visible";
        
        if(this.m_objParent)
            this.m_objParent.SetCurrent(this);
    }
    
    this.Out = function()
    {
        this.m_iTimer = setTimeout(function(){self.Hide()},this.m_objMenu.m_iMenuTime);
    }
    
    this.Hide = function(bChilds,bParent)
    {
        if(typeof(bChilds)=="undefined")
            bChilds = true;
        if(typeof(bParent)=="undefined")
            bParent = true;
        if(!this.m_domID)
            return false;    
        this.m_domID.style.display = "none";
        
        if(bChilds)
        {
            for(var i=0;i<this.m_aChilds.length;i++)
            {
                this.m_aChilds[i].Hide();
            }
        }     
        if(bParent && this.m_objParent!=null)
        {
            this.m_objParent.Hide(false);
        }
        if(this.m_objParent!=null)
            this.m_objParent.SetCurrent(null);
    }
}

function CJMenu()
{
    this.m_aItems = new Array();
    this.m_iMenuTime = 700;
    this.m_objCurrent = null;
    
    this.Sub = function(domA,sMenuID,sParentID,iDir)
    {
        if(typeof(this.m_aItems[sMenuID])=="undefined")
        {
            this.m_aItems[sMenuID] = new CJMenuList(this,domA,sMenuID,sParentID,iDir);
            if(typeof(this.m_aItems[sParentID])=="object")
            {
                this.m_aItems[sParentID].AddChild(this.m_aItems[sMenuID]);
                this.m_aItems[sMenuID].SetParent(this.m_aItems[sParentID]);
            }
        }
        if(typeof(this.m_aItems[sParentID])!="object" && this.m_objCurrent)
            this.m_objCurrent.Hide();    
        this.m_objCurrent = this.m_aItems[sMenuID];
        this.m_aItems[sMenuID].Show();
    }
    
    this.getElementPosition = function(elem)
    {
        var w = elem.offsetWidth;
        var h = elem.offsetHeight;
        
        var l = 0;
        var t = 0;
        
        while (elem)
        {
            l += elem.offsetLeft;
            t += elem.offsetTop;
            elem = elem.offsetParent;
        }

        return {"left":l, "top":t, "width": w, "height":h};
    }
}

function JSub(domA,sMenuID,sParentID,iDir)
{
    if(typeof(sParentID)=="undefined")
        sParentID = "";
    if(typeof(iDir)=="undefined")
        iDir = 0;
        
    g_objMenu.Sub(domA,sMenuID,sParentID,iDir);
}

g_objMenu = new CJMenu();