var i=0;
   var finished=false;
   var paused=false;
   var running=false;
   function loadPics(folderx)
   {
      pic0=new Image();
      pic0.src=folderx+"/image1.jpg";
      pic1=new Image();
      pic1.src=folderx+"/image2.jpg";
      pic2=new Image();
      pic2.src=folderx+"/image3.jpg";
      pic3=new Image();
      pic3.src=folderx+"/image4.jpg";
      pict=new Array();
      pict[0]=pic0.src;
      pict[1]=pic1.src;
      pict[2]=pic2.src;
      pict[3]=pic3.src;
   }
   function next()
   {
      finished=false;
      if(i<pict.length-1)
      {
         i++;
         document.getElementById('picture').src=pict[i];
      }
      else 
      {
         i=0;
         document.getElementById('picture').src=pict[i];
      }
   }
   function prev()
   {
      finished=false;
      if (i>0)
      {
         i--;
         document.getElementById('picture').src=pict[i];
      }
      else
      {
         i=pict.length-1;
         document.getElementById('picture').src=pict[i];
      }
   }

   function startSlide()
   {
      running=true;
      if(navigator.appVersion.indexOf("MSIE") == -1)
      {
         interval = setInterval(FFSlideshow,3000);
      }
      else
      {
         interval = setInterval(slideshow,3000);
      }
   }
   function slideshow()
   {
      if (i<pict.length-1)
      {
         document.getElementById('pictureContainer').filters[0].Apply();
         i++;
         document.getElementById('picture').src=pict[i];
         document.getElementById('pictureContainer').filters[0].Play();
      }
      else
      {
         document.getElementById('pictureContainer').filters[0].Apply();
         i=0;
         finished=false;
         document.getElementById('picture').src=pict[i];
         document.getElementById('pictureContainer').filters[0].Play();
      }
   }
   function FFSlideshow()
   {
      if (i<pict.length-1)
      {
         i++
         document.getElementById('picture').src=pict[i];
      }
      else if (i==pict.length-1 && finished==false)
      {
         finished=true;
         running=false
         clearInterval(interval);
      }
      else
      {
         i=0;
         finished=false;
         document.getElementById('picture').src=pict[i];
      }
   }
   function pause()
   {
      if(running==true)
      {
         if(paused==false)
         {
            paused=true;
            clearInterval(interval);
         }
         else
         {
            startSlide()
            paused=false;
         }
      }
   }