var nb=1;var gok=true;
var px, py, sx, sy, sensx, sensy ,duree; var i=0; var x="zzz"; 
px=new Array();py=new Array();sx=new Array();sy=new Array();sensx=new Array();sensy=new Array();dimdoc();
function init(){for (i=0;i<nb;i++){
  px[i]=Math.round(Math.random()*(ldoc-50));py[i]=Math.round(Math.random()*(hdoc-20));
  sx[i]=Math.round(2 + 2*Math.random());sy[i] = Math.round(1 + Math.random());
  sensx[0]=sensx[2]=false;sensx[1]=false;sensy[i]=(Math.random()>=0.5)?false:true;
}};
init();
function lay(x,i){
var txt=""; var p=30+30*i;

 if(ieok>0 || (ne6)){
    txt="<div id=\"la"+i+"\" style=\"POSITION :absolute;Z-INDEX:"+i+";"
    txt +=" VISIBILITY:visible; TOP:30px;LEFT:30px;\">"
    txt +="<img src=\"images/gif/"+x +".gif\" border=\"0\" height=\"51\" width=\"60\"></div>";
  }
  else  if(neok>0){
    txt ="<layer name=\"la"+i+"\" left=\""+p+"\" top=\""+p+"\" visibility=\"show\">"
    txt +="<img src=\"images/gif/"+x +".gif\" border=\"0\" height=\"51\" width=\"60\"></layer>";
  }document.write(txt);
}
function lay2(x){for (i=0;i<nb;i++){lay(x,i)};}

var xcos=0;
 
function trucs(){if(gok){
    for (i=0;i<nb;++i){  xcos+=3.145926535/54*(i+1);if (xcos>3.145926535) xcos=0;
        if(sensy[i]){py[i]+=sy[i]+ Math.round(0.2*Math.cos(xcos));
          if(py[i]>(350) ){sensy[i]=false;};
        }else if(sensy[i]==false){py[i]-=(sy[i]+Math.round(0.5*Math.cos(xcos)));
          if(py[i]<(30) ){sensy[i]=true;}
        };          
        if(sensx[i]){px[i]+=sx[i];
          if(px[i]>(ldoc-50) ){px[i]=0;};
        }else if(sensx[i]==false){px[i]=px[i]-sx[i];
          if(px[i]<30){px[i]=ldoc-50;}
        };
        dimdoc(); 
        if (ne6){var la ="la"+i;x=document.getElementById(la);
        x.style.top=py[i];x.style.left=px[i];
         } 
       else if(neok>0){
           document.layers["la"+i].top=py[i];document.layers["la"+i].left=px[i];
       }else if(ieok>0){
          document.all["la"+i].style.pixelTop=py[i];document.all["la"+i].style.pixelLeft=px[i];
       };
   };
  setTimeout("trucs()",50);}
}

function change(){
     if(gok==false){
        for (i=0;i<nb;i++){
          if(ne6){var la ="la"+i;x=document.getElementById(la);
          y=document.getElementById("gook");z=document.getElementById("gono");
          x.style.visibility="visible";y.style.visibility="visible";z.style.visibility="hidden";
          }
          else if(neok>0){document.layers["la"+i].visibility="show";
          } 
          else if(ieok>0){document.all["la"+i].style.visibility="visible";
           document.all["gook"].style.visibility="visible" ;
           document.all["gono"].style.visibility="hidden"; 
          };             
        }}
     else{
        for (i=0;i<nb;i++){
          if(ne6){var la ="la"+i;x=document.getElementById(la);
          y=document.getElementById("gook");z=document.getElementById("gono");
          x.style.visibility="hidden";y.style.visibility="hidden";z.style.visibility="visible";
          }
          else if(neok>0){document.layers["la"+i].visibility="hide";
          } 
          else if(ieok>0){document.all["la"+i].style.visibility="hidden";   
            document.all["gook"].style.visibility="hidden" ;
           document.all["gono"].style.visibility="visible"; 
          };
    }  } if(gok){gok=false}else{gok=true;init();trucs();};
}



function layok(){
var txt2=""; var zz=nb+1;var zz2=zz+1;var zh; if(self==top){ zh=580} else {zh=490;};
 if(ieok>0 || (ne6)){
    txt2="<div id=\"gook\" style=\"POSITION :absolute;Z-INDEX:"+zz+";"
    txt2 +=" VISIBILITY:visible; TOP:"+zh+"px;LEFT:100px; \">"
    txt2 +="<a href=\"#\" onclick=\"change()\" class=\"a3\"><font color=\"#858585\">Stopper l\'animation</font></a></div>"
    txt2 +="<div id=\"gono\" style=\"POSITION :absolute;Z-INDEX:"+zz2+";"
    txt2 +=" VISIBILITY:hidden; TOP:"+zh+"px;LEFT:100px;\">"
    txt2 +="<a href=\"#\" onclick=\"change()\" class=\"a3\">Lancer l\'animation</a></div>";
  };document.write(txt2);
}