var zooverIsLoaded = false;
function nextTab(id,speed){
    $('.box3').fadeOut("fast");
    switch(id){
        case 1:
            setHeight(speed,headerHeight);
            break;
      case 3:
          getZoover();
          $('.gmap').fadeOut(300);
            setHeight(speed,1);
            break;
      case 4:

            if(ImagepoolLoaded == false){
                loadImagepool($('#page'+id));
             }else {
                 setHeight(speed,450);
             }
            break;
      default:
          $('.gmap').fadeOut(300);
            setHeight(speed,1);
            break;

    }
    fadePages(currentTab,id);
    for(var i=0;i<opened.length;i++){
            opened[i].hide();
    }
    opened = [];
}