var photo=new Array()
var num=0
photo[0]="images/peterpan01.jpg"
photo[1]="images/peterpan02.jpg"
photo[2]="images/peterpan03.jpg"
photo[3]="images/peterpan04.jpg"
photo[4]="images/peterpan05.jpg"
photo[5]="images/peterpan06.jpg"
photo[6]="images/peterpan07.jpg"
photo[7]="images/peterpan08.jpg"
photo[8]="images/peterpan09.jpg"
photo[9]="images/peterpan10.jpg"
photo[10]="images/peterpan11.jpg"
photo[11]="images/peterpan12.jpg"
photo[12]="images/peterpan13.jpg"
photo[13]="images/peterpan14.jpg"
photo[14]="images/peterpan15.jpg"
photo[15]="images/peterpan16.jpg"
photo[16]="images/peterpan17.jpg"
photo[17]="images/peterpan18.jpg"
photo[18]="images/peterpan19.jpg"
photo[19]="images/peterpan20.jpg"
photo[20]="images/peterpan21.jpg"
photo[21]="images/peterpan22.jpg"

function precedente() {
  if (num>0) {
    num--
      document.image.src=photo[num];
    numero=num+1
  }
}
function suivante() {
  if(num<photo.length-1) {
    num++
      document.image.src=photo[num];
    numero=num+1
  }
}