/* author: Data Access Europe B.V. */
/* Creation date: 16-07-04 */


function getElementsByClassName(oElm,sTagName,sClassName)
{
        var aElements=(sTagName=="*"&&document.all)?document.all:oElm.getElementsByTagName(sTagName);
        var aReturnElements=new Array();
        sClassName=sClassName.replace(/\-/g,"\\-");
        var oRegExp=new RegExp("(^|\\s)"+sClassName+"(\\s|$)");
        var oElement;

        iPos=aElements.length;
        while(iPos--)
        {
                oElement=aElements[iPos];
                if(oRegExp.test(oElement.className))
                {
                        aReturnElements[aReturnElements.length]=oElement;
                }
        }
        return (aReturnElements)
};


//              Function: Menu_GetNodeIMGByID
//              Purpose: Returns the LI object of the node with the correct ID 
function Menu_GetNodeByID(iID){
    var oNode;
    
    iID = String(iID).replace(/MenuItem/g,'')
    iID = String(iID).replace(/MenuImage/g,'')
    
    oNode = document.getElementById("MenuItem" + iID);
    
    if (oNode) return oNode;
        //var aNodes, iLoop, oNode;
        //aNodes = getElementsByClassName(document,"*","MenuNode");

        //for(iLoop = 0; iLoop < aNodes.length; iLoop++){
                //if(aNodes[iLoop].getAttribute("id") == iID)){
                        //oNode = aNodes[iLoop];
                        //return oNode;
                //}
        //}     
        return null;
}

//              Function: Menu_GetNodeIMGByID
//              Purpose: Returns the IMG object of the node with the correct ID 
function Menu_GetNodeIMGByID(iID){
    iID = String(iID).replace(/MenuItem/g,'')
    iID = String(iID).replace(/MenuImage/g,'')
    
    oNode = document.getElementById("MenuImage" + iID);
    
    if (oNode) return oNode;

        //var aIMGS, iLoop, oIMG;
        //aIMGs = getElementsByClassName(document,"img","MenuNodeIMG");

        //for(iLoop = 0; iLoop < aIMGs.length; iLoop++){
                //if(aIMGs[iLoop].getAttribute("id") == iID){
                        //oIMG = aIMGs[iLoop];
                        //return oIMG;
                //}
        //}     
        return null;
}


//              Function: Menu_Click
//              Purpose: If extended = true i collapses the menu else it extends
function Menu_Click(iID){

        var oNode = Menu_GetNodeByID(iID);
        if(oNode.getAttribute("Extended") == "True"){
                Menu_ChangeDown(oNode.getAttribute("id"), "False", "Hide");
        }else{
                Menu_ChangeAll("False", "Hide");
                Menu_ChangeUp(iID, "True", "Show");
        }
        Menu_DoSettings();
}



//              Function: Menu_ChangeAll
//              Purpose: Applies the Extended & style.display settings to al the menu items
function Menu_ChangeAll(sExtended, sDisplay){
        var aNodes, iLoop, oNode, aIMG;
        sNodes = getElementsByClassName(document,"*","MenuNode");
        
        aIMG = getElementsByClassName(document,"img","MenuNodeIMG");
        for(iLoop = 0; iLoop < aIMG.length; iLoop++){
                if(sExtended == "True"){
                        aIMG[iLoop].src = aIMG[iLoop].getAttribute("ExtendedImage");
                }else{
                        aIMG[iLoop].src = aIMG[iLoop].getAttribute("CollapsedImage");
                }
        }
        for(iLoop = 0; iLoop < sNodes.length; iLoop++){
                sNodes[iLoop].setAttribute("Extended", sExtended);
                sNodes[iLoop].setAttribute("SetTo", sDisplay);
        }
}



//              Function: Menu_Open
//              Purpose: Opens the menu so the item with iID will be displayed and opened
function Menu_Open(aIDs){
        var oNode, iNodeId, iID;
        
        iNodeId = 1;

        for(var iLoop = 0; iLoop < aIDs.length; iLoop++){
                oNode = Menu_GetNodeByID(aIDs[iLoop]);
                if(oNode !== null){
                        iNodeId = oNode.getAttribute("id");                     

                        break;
                }
        } 


        Menu_ChangeUp(iNodeId, "True", "Show"); 
        Menu_DoSettings();
}



//              Function: Menu_ChangeDown
//              Purpose: Applies the Extended & style.display settings to all children of the item with the given ID
function Menu_ChangeDown(iParentID, sExtended, sDisplay){
        var aNodes, iLoop, oChildNode;
        
        iParentID = String(iParentID).replace(/MenuItem/g,'')
    iParentID = String(iParentID).replace(/MenuImage/g,'')
                
        var oNode = Menu_GetNodeByID(iParentID);

        if(oNode !== null){
                
                Menu_ChangeNode(oNode.getAttribute("id"), sDisplay, sExtended);
                
                sNodes = getElementsByClassName(document,"*","MenuNode");
                for(iLoop = 0; iLoop < sNodes.length; iLoop++){
                        if(sNodes[iLoop].getAttribute("ParentNodeId") == iParentID){
                                oChildNode = sNodes[iLoop];
                                Menu_ChangeNode(oChildNode.getAttribute("id"), sDisplay, sExtended);
                                Menu_ChangeDown(oChildNode.getAttribute("id"), sExtended, sDisplay);
                        }
                }
        }else{
                Menu_ChangeNode(iID, sDisplay, sExtended);
        }       
        
}



//              Function: Menu_ChangeUp
//              Purpose: Applies the Extended & style.display settings to al the parents of the fiven ID
function Menu_ChangeUp(iID, sExtended, sDisplay){
        var oNode = Menu_GetNodeByID(iID);

        if(oNode !== null){
                Menu_ChangeNode(oNode.getAttribute("id"), sDisplay, sExtended);
                Menu_ChangeUp(oNode.getAttribute("ParentNodeId"), sExtended, sDisplay);
        }else{
                Menu_ChangeNode(iID, sDisplay, sExtended);
        }
                
}



//              Function: Menu_ChangeNode 
//              Purpose: Changes the SetTo setting of the direct children of the item with the given ID
function Menu_ChangeNode(iParentID, sDisplay, sExtended){
        var iLoop, aNodes, oNode, oIMG;
        
        iParentID = String(iParentID).replace(/MenuItem/g,'')
    iParentID = String(iParentID).replace(/MenuImage/g,'')
        
        oNode = Menu_GetNodeByID(iParentID);
        if(oNode !== null){
                oNode.setAttribute("Extended", sExtended);
                oIMG = Menu_GetNodeIMGByID(iParentID);
                if(oIMG !== null){
                        if(sExtended == "True"){
                                oIMG.src = oIMG.getAttribute("ExtendedImage");
                        }else{
                                oIMG.src = oIMG.getAttribute("CollapsedImage");
                        }
                }
        }
        
        aNodes = getElementsByClassName(document,"*","MenuNode");
        
        for(iLoop = 0; iLoop < aNodes.length; iLoop++){
                if(aNodes[iLoop].getAttribute("ParentNodeId") == iParentID){
                        aNodes[iLoop].setAttribute("SetTo", sDisplay);
                }
        }
}


function Menu_DoSettings(){
        var iLoop, aNodes
        aNodes = getElementsByClassName(document,"*","MenuNode");
        
        for(iLoop = 0; iLoop < aNodes.length; iLoop++){
                if(aNodes[iLoop].getAttribute("SetTo") == "Show"){
                        aNodes[iLoop].style.display = "";
                }else{
                        aNodes[iLoop].style.display = "none";
                }       
        }
}