logobg.style.left=26;
logobg.style.top=27;
logobox.style.left=32;
logobox.style.top=34;
logoimg.style.left=37;
logoimg.style.top=40;
pig.style.left=730;
pig.style.top=551;
curr_pos=730;
curr_pig=0;
curr_pic=1;
curr_dir='left';
function initpigs(){
  imageObj1 = new Image();
  imageObj2 = new Image();
  imageObj3 = new Image();
  imageObj4 = new Image();
  imageObj5 = new Image();
  imageObj6 = new Image();
  imageObj7 = new Image();
  imageObj8 = new Image();
  imageObj1.src="img/pig1.gif";
  imageObj2.src="img/pig2.gif";
  imageObj3.src="img/pig3.gif";
  imageObj4.src="img/pig4.gif";
  imageObj5.src="img/pig1f.gif";
  imageObj6.src="img/pig2f.gif";
  imageObj7.src="img/pig3f.gif";
  imageObj8.src="img/pig4f.gif";
  pig_timer=setTimeout('movepig()',1000);
}
function movepig(){
  if (curr_dir=='left')
    curr_pos=curr_pos-3;
  else
    curr_pos=curr_pos+3;
  if (curr_pos<=0){
    curr_dir='right';
    curr_pos=1;
    nextpig();
  }
  if (curr_pos>730){
    curr_dir='left';
    curr_pos=730;
    nextpig();
  }
  pig.style.left=curr_pos;
  curr_pig=curr_pig+1;
  if (curr_pig==3)
    nextpig();
  pig_timer=setTimeout('movepig()',50);
}
function nextpig(){
  if (curr_pic==1){
    curr_pic=2;
    if (curr_dir=='left')
      pig.src=imageObj2.src;
    else
      pig.src=imageObj6.src;
  }
  else if (curr_pic==2){
    curr_pic=3;
    if (curr_dir=='left')
      pig.src=imageObj3.src;
    else
      pig.src=imageObj7.src;
  }
  else if (curr_pic==3){
    curr_pic=4;
    if (curr_dir=='left')
      pig.src=imageObj4.src;
    else
      pig.src=imageObj8.src;
  }
  else if (curr_pic==4){
    curr_pic=1;
    if (curr_dir=='left')
      pig.src=imageObj1.src;
    else
      pig.src=imageObj5.src;
  }
  curr_pig=0;
}