var current = 1;
        var oldslide = "";
        var total = 4;
        var intervalID = window.setInterval("runSlide()",15000);
        var flagNP = true;
        function runSlide()
        {
           // alert(current + "  "+ flagNP);
            oldslide = current;
            if(flagNP)
                current = current + 1;
            else
                current = current - 1;
            if(current>4)
                current = 1;
            toggle(oldslide ,current);
//            setHeighlit();
            flagNP = true;
        }
        var slideOnOff = true;        
        function stopSlide()
        {
            
            if(slideOnOff)
            {
                clearInterval(intervalID);
                document.getElementById("play_pause").src = "../global/_/play.png";
                slideOnOff = false;
            }
            else
            {
                intervalID = window.setInterval("runSlide()",15000);
                document.getElementById("play_pause").src = "../global/_images/pause.png";
                slideOnOff = true;
            }
        }
        
        function next()
        {
            
            if(current!= 4)
            {
                clearInterval(intervalID);
                runSlide();
                intervalID = window.setInterval("runSlide()",15000);
                if(!slideOnOff)
                {
                    clearInterval(intervalID);
                }
            }
        }
 
        function previous()
        {
            
            if(current!= 1)
            {
                flagNP = false;
                clearInterval(intervalID);
                runSlide();
                intervalID = window.setInterval("runSlide()",15000);
                
                if(!slideOnOff)
                {
                    clearInterval(intervalID);
                }
            }
            flagNP = true;
        } 
 
        function goTo(slideNumb)
        {
            var next = slideNumb;
            {
                toggle(current,next);
            }
            current = next;
            setHeighlit();
            
            clearInterval(intervalID);
            intervalID = window.setInterval("runSlide()",15000);
            return false;
        } 
 
        function toggle(old_div, new_div)
        {
            //alert(old_div + " new " +new_div);
            var oldDiv="pic"+old_div;
            var newDiv = "pic"+new_div;
            document.getElementById(oldDiv).style.display = "none";
            document.getElementById(newDiv).style.display = "block";
        }