var count=1,xDir=-1,yDir=-1
function startLoop(){
    x=document.body.clientWidth/3
    y=document.body.clientHeight/2
    setInterval('moveEgga()',250)
}

function moveEgga(){
    if (x > (document.body.clientWidth - 50)){
        xDir = -1
    }else if (x < 10){
        xDir = 1
    }
    if (y > (document.body.clientHeight - 50)){
        yDir = -1
    }else if (y < 10){
        yDir = 1
    }
    if (count%2==1){
         if (xDir<0){
              pic = "egg_s1.gif"
         }else{
              pic = "egg_s2.gif"
         }
    }
    else{
    if (xDir<0){
              pic = "egg_s2.gif"
         }else{
              pic = "egg_s1.gif"
         }
    }
    count++
    x = x + 8*xDir
    y = y + 8*yDir
    document.eggapic.src=pic
    document.all("egga").style.left = x+ document.body.scrollLeft
    document.all("egga").style.top = y + document.body.scrollTop
}

setInterval("moveEgg()",30)
document.onmousemove=updatePos
function moveEgg(){
    for (i=0;i<(num_egg-1);i++){
document.all["egg"+i].style.left=parseInt(document.all["egg"+(i+1)].style.left)
document.all["egg"+i].style.top=parseInt(document.all["egg"+(i+1)].style.top)
    }
}

var num_egg=6
for (i=0;i<num_egg;i++){
    document.write("<div id='egg"+i+"'"+"style='position:absolute;left:0; top:0;")
    document.write("'><img src='egg_s.gif' border=0></div>")
}

function updatePos(e){
    document.all["egg"+(num_egg-1)].style.left=event.clientX + document.body.scrollLeft
    document.all["egg"+(num_egg-1)].style.top=event.clientY + document.body.scrollTop
}