function toggleDisp() {
    for (var i=0;i<arguments.length;i++){
        var d = $(arguments[i]);
        if (d.style.display == 'none')
            d.style.display = 'block';
        else
            d.style.display = 'none';
    }
}

function toggleTab(num,numelems,opennum,animate) {
    if ($('tab-content'+num).style.display == 'none'){
        for (var i=1;i<=numelems;i++){
            if ((opennum == null) || (opennum != i)){
                var temph = 'tab'+i;
                var h = $(temph);
                if (!h){
                    var h = $('active-tab');
                    h.id = temph;
                }
                var tempc = 'tab-content'+i;
                var c = $(tempc);
                var t1 = $('tutorialtopics');
                
                if(c.style.display != 'none'){
                    if (animate || typeof animate == 'undefined'){
                        Effect.toggle(tempc,'blind',{duration:0.3, queue:{scope:'menus', limit: 3}});
                        t1.style.display = 'none';
                    }
                    else{
                        toggleDisp(tempc);
                        
                    }
                }
            }
        }
        var h = $('tab'+num);
        if (h)
            h.id = 'active-tab';
        h.blur();
        var c = $('tab-content'+num);

        if (animate || typeof animate == 'undefined'){
            Effect.toggle('tab-content'+num,'blind',{duration:0.2, queue:{scope:'menus', position:'end', limit: 3}});
             Effect.toggle(t1,'blind',{duration:0.3, delay:1});
           // t1.style.display = 'inline';
        }else{
            toggleDisp('tab-content'+num);
        }
    }
}