// <!--

var s       = new Array();           // picture array persons
var ss      = new Array();           // element in permutation group
var t       = new Array();           // picture array persons
var tt      = new Array();           // element in permutation group
var M=2;                             // array width
var N=1;                             // array height
var i,j,k,l;

function preload_images() {
  if (document.images != null) {
var i=0; 
s[i]  = new Image(); s[i].src  = "werbung/1000.jpg"; i++;
s[i]  = new Image(); s[i].src  = "werbung/1001.jpg"; i++;
s[i]  = new Image(); s[i].src  = "werbung/1002.jpg"; i++;
s[i]  = new Image(); s[i].src  = "werbung/1003.jpg"; i++;
s[i]  = new Image(); s[i].src  = "werbung/1004.jpg"; i++;
s[i]  = new Image(); s[i].src  = "werbung/1005.jpg"; i++;
s[i]  = new Image(); s[i].src  = "werbung/1006.jpg"; i++;
s[i]  = new Image(); s[i].src  = "werbung/1007.jpg"; i++;
s[i]  = new Image(); s[i].src  = "werbung/1008.jpg"; i++;
s[i]  = new Image(); s[i].src  = "werbung/1009.jpg"; i++;
s[i]  = new Image(); s[i].src  = "werbung/1010.jpg"; i++;
s[i]  = new Image(); s[i].src  = "werbung/1011.jpg"; i++;
s[i]  = new Image(); s[i].src  = "werbung/1012.jpg"; i++;
s[i]  = new Image(); s[i].src  = "werbung/1013.jpg"; i++;
s[i]  = new Image(); s[i].src  = "werbung/1014.jpg"; i++;
s[i]  = new Image(); s[i].src  = "werbung/1015.jpg"; i++;
s[i]  = new Image(); s[i].src  = "werbung/1016.jpg"; i++;
s[i]  = new Image(); s[i].src  = "werbung/1017.jpg"; i++;
s[i]  = new Image(); s[i].src  = "werbung/1018.jpg"; i++;
s[i]  = new Image(); s[i].src  = "werbung/1019.jpg"; i++;
s[i]  = new Image(); s[i].src  = "werbung/1020.jpg"; i++;
s[i]  = new Image(); s[i].src  = "werbung/1021.jpg"; i++;
s[i]  = new Image(); s[i].src  = "werbung/1022.jpg"; i++;
s[i]  = new Image(); s[i].src  = "werbung/1023.jpg"; i++;
s[i]  = new Image(); s[i].src  = "werbung/1024.jpg"; i++;
s[i]  = new Image(); s[i].src  = "werbung/1025.jpg"; i++;
s[i]  = new Image(); s[i].src  = "werbung/1026.jpg"; i++;
}
}

function initial_permutation() {
var ii; 
   for (ii=0; ii<s.length; ii++) { ss[ii]=ii; }  
}

function images_transposition(){
var jj,kk,ll,mm;
var tmp1,tmp2;
   jj=Math.floor(Math.random()*s.length);
   kk=Math.floor(Math.random()*s.length);
   tmp1=ss[kk];
   tmp2=tt[mm];
   ss[kk]=ss[jj]; ss[jj]=tmp1; 
}

function change(name,place) {
   if (document.images != null) {
      name = eval(name + ".src");
      document [place].src = name;
   }
}

function display1(n,m){
  c=n; d=m;
  images_transposition();
  change('s[c]',"w"+d); 
}

function put_pictures() {
  for (i=0; i<M; i++) {
    for (j=0; j<N; j++) {
      k = i+1+10+j*10; 
      l = i+N*j; 
      display1(ss[l],k);
    }
  }
}

function run(){
  put_pictures(); 
  setTimeout("run()",1000);
}

function init_all() {
  preload_images();
  initial_permutation();
  setTimeout("run()",2000);
}

//  -->