var sayacTab=0;
var TabbedPanels1 = new Spry.Widget.TabbedPanels("TabbedPanels1");
    
function timerKur() {
    sayacTab=(TabbedPanels1.currentTabIndex+1);
    TabbedPanels1.showPanel(sayacTab % 4);
}      
    
setInterval('timerKur()', 15000);