//** Tab Content script- � Dynamic Drive DHTML code library (http://www.dynamicdrive.com)
//** Last updated: Nov 8th, 06

var enabletabpersistence=1 //enable tab persistence via session only cookies, so selected tab is remembered?

////NO NEED TO EDIT BELOW////////////////////////
var tabcontentIDs=new Object()
var karteLoaded = false;

function Expandcontent(linkobj){
    var ulid=linkobj.parentNode.parentNode.id //id of UL element
    var ullist=document.getElementById(ulid).getElementsByTagName("li") //get list of LIs corresponding to the tab contents
    for (var i=0; i<ullist.length; i++){
        ullist[i].className=""  //deselect all tabs
        if (typeof tabcontentIDs[ulid][i]!="undefined") //if tab content within this array index exists (exception: More tabs than there are tab contents)
            document.getElementById(tabcontentIDs[ulid][i]).style.display="none" //hide all tab contents
    }
    linkobj.parentNode.className="selected"  //highlight currently clicked on tab
    document.getElementById(linkobj.getAttribute("rel")).style.display="block" //expand corresponding tab content
    
    if ( getCookie('maintab')!="karte" && linkobj.getAttribute("rel") == 'karte' )
    {
        if ( karteLoaded == false ) {
            if (GBrowserIsCompatible() && map.isLoaded() ) {
                var startPoint2 = new GLatLng(lat,long);
                //map.panTo(startPoint2 );
                map.setCenter(startPoint2);
                map.checkResize();
                map.setCenter(startPoint2);
                map.addControl(new GSmallMapControl());
                //map.panTo(startPoint2 );
            }
        karteLoaded = true;
        }
    }
    
    saveselectedtabcontentid(ulid, linkobj.getAttribute("rel"))
    
//    if ( linkobj.getAttribute("rel") == 'karte' ) {
//        if ( karteLoaded == false ) {
//            if (GBrowserIsCompatible() && map2.isLoaded() ) {
//                var startPoint2 = new GLatLng(_lat,_long);
//                map2.panTo(startPoint2 );
//                map2.checkResize();
//                map2.panTo(startPoint2 );
//                var startPoint = new GLatLng(lat,long);
//                map = new GMap2(document.getElementById(mapid));
//                map.addControl(new GSmallMapControl());
//                map.addControl(new GMapTypeControl());
//                map.setCenter(startPoint, zoomLvl);
//                map.addOverlay(new GMarker(startPoint));
//                
//                var _zoomLvl = 8;
//                var startPoint2 = new GLatLng(_lat,_long);
//                map2 = new GMap2(document.getElementById(_mapid));
//                map2.addControl(new GSmallMapControl());
//                map2.addControl(new GMapTypeControl());
//                map2.setCenter(startPoint2, _zoomLvl);
//            }
//            karteLoaded = true;
//        }
//    }
    
}

function expandtab(tabcontentid, tabnumber){ //interface for selecting a tab (plus expand corresponding content)
    var thetab=document.getElementById(tabcontentid).getElementsByTagName("a")[tabnumber]
    if (thetab.getAttribute("rel"))
        Expandcontent(thetab)
}

function savetabcontentids(ulid, relattribute){// save ids of tab content divs
    if (typeof tabcontentIDs[ulid]=="undefined") //if this array doesn't exist yet
        tabcontentIDs[ulid]=new Array()
    tabcontentIDs[ulid][tabcontentIDs[ulid].length]=relattribute
}

function saveselectedtabcontentid(ulid, selectedtabid){ //set id of clicked on tab as selected tab id & enter into cookie
    if (enabletabpersistence==1) //if persistence feature turned on
        setCookie(ulid, selectedtabid)
}

function getullistlinkbyId(ulid, tabcontentid){ //returns a tab link based on the ID of the associated tab content
    var ullist=document.getElementById(ulid).getElementsByTagName("li")
    for (var i=0; i<ullist.length; i++){
        if (ullist[i].getElementsByTagName("a")[0].getAttribute("rel")==tabcontentid){
            return ullist[i].getElementsByTagName("a")[0]
            break
        }
    }
}

function initializetabcontent(){
    for (var i=0; i<arguments.length; i++){ //loop through passed UL ids
        if (enabletabpersistence==0 && getCookie(arguments[i])!="") //clean up cookie if persist=off
            setCookie(arguments[i], "")
        var clickedontab=getCookie(arguments[i]) //retrieve ID of last clicked on tab from cookie, if any
        var ulobj=document.getElementById(arguments[i])
        var ulist=ulobj.getElementsByTagName("li") //array containing the LI elements within UL
        for (var x=0; x<ulist.length; x++){ //loop through each LI element
            var ulistlink=ulist[x].getElementsByTagName("a")[0]
            if (ulistlink.getAttribute("rel")){
                savetabcontentids(arguments[i], ulistlink.getAttribute("rel")) //save id of each tab content as loop runs
                ulistlink.onclick=function(){
                    Expandcontent(this)
                    return false
                }
                if (ulist[x].className=="selected" && clickedontab=="") //if a tab is set to be selected by default
                    Expandcontent(ulistlink) //auto load currenly selected tab content
            }
        } //end inner for loop
        if (clickedontab!=""){ //if a tab has been previously clicked on per the cookie value
            var culistlink=getullistlinkbyId(arguments[i], clickedontab)
            if (typeof culistlink!="undefined") //if match found between tabcontent id and rel attribute value
                Expandcontent(culistlink) //auto load currenly selected tab content
            else //else if no match found between tabcontent id and rel attribute value (cookie mis-association)
                Expandcontent(ulist[0].getElementsByTagName("a")[0]) //just auto load first tab instead
        }
    } //end outer for loop
}


function getCookie(Name){ 
    var re=new RegExp(Name+"=[^;]+", "i"); //construct RE to search for target name/value pair
    if (document.cookie.match(re)) //if cookie found
        return document.cookie.match(re)[0].split("=")[1] //return its value
    return ""
}

function setCookie(name, value){
    document.cookie = name+"="+value //cookie value is domain wide (path=/)
}