var pic_width=182;
var pic_height=180;
if (document.images)
 {
     pic1= new Image(pic_width,pic_height);
     pic1.src="/images/photos/chasse/1.jpg";  
     pic2= new Image(pic_width,pic_height); 
     pic2.src="/images/photos/chasse/2.jpg";  
     pic3= new Image(pic_width,pic_height);
     pic3.src="/images/photos/chasse/3.jpg";  
     pic4= new Image(pic_width,pic_height);
     pic4.src="/images/photos/chasse/4.jpg";  
     pic5= new Image(pic_width,pic_height);
     pic5.src="/images/photos/chasse/5.jpg";  
     pic6= new Image(pic_width,pic_height);
     pic6.src="/images/photos/chasse/6.jpg";  
 }    

var pics= new Array(6) 
   pics[0]=pic1.src;
   pics[1]=pic2.src;
   pics[2]=pic3.src;
   pics[3]=pic4.src;
   pics[4]=pic5.src; 
   pics[5]=pic6.src; 
var numpics=6;
var thenum=0;
imgName="droite";

function photosuivante()
 {
         var x=0;
         thenum+=1;

         if (thenum>numpics-1)
         { 
           document[imgName].src=pics[0];
           thenum=0;
           }
         else
         {
           document[imgName].src=pics[thenum];
           x+=1;
          }
 }
 
 function photoprecedente()
 {
         var x=0;
         thenum+=1;

         if (thenum>numpics-1)
         { 
           document[imgName].src=pics[0];
           thenum=0;
           }
         else
         {
           document[imgName].src=pics[thenum];
           x+=1;
          }
 }