var Size;
var MaxSize=112;
var MinSize=100;
var Shrinker1, Shrinker2, Shrinker3, Shrinker4;
var Grower1, Grower2, Grower3, Grower4;
var iMG1, iMG2, iMG3, iMG4;

function Initialize(){
  iMG1 = document.getElementById('email');
  iMG2 = document.getElementById('news');
  iMG3 = document.getElementById('info');
  iMG4 = document.getElementById('shopping');
}

function Grow1(){
  if(iMG1.height>MaxSize){
    window.clearTimeout(Grower1);
  }else{
    window.clearTimeout(Shrinker1);
    Size = iMG1.height + 4;
    iMG1.height=Size;
    iMG1.width=Size;
    iMG1.top=iMG1.top-2;
    iMG1.left=iMG1.left-2;
    Grower1=
    window.setTimeout('Grow1()', 20);
  }
}

function Shrink1(){
  if(iMG1.height<MinSize){
    window.clearTimeout(Shrinker1);
  }else{
    window.clearTimeout(Grower1);
    Size = iMG1.height - 4;
    iMG1.height=Size;
    iMG1.width=Size;
    iMG1.top=iMG1.top+2;
    iMG1.left=iMG1.left+2;
    Shrinker1=
    window.setTimeout('Shrink1()', 30);
  }
}

function Grow2(){
  if(iMG2.height>MaxSize){
    window.clearTimeout(Grower2);
  }else{
    window.clearTimeout(Shrinker2);
    Size = iMG2.height + 4;
    iMG2.height=Size;
    iMG2.width=Size;
    Grower2=
    window.setTimeout('Grow2()', 20);
  }
}

function Shrink2(){
  if(iMG2.height<MinSize){
    window.clearTimeout(Shrinker2);
  }else{
    window.clearTimeout(Grower2);
    Size = iMG2.height - 4;
    iMG2.height=Size;
    iMG2.width=Size;
    Shrinker2=
    window.setTimeout('Shrink2()', 30);
  }
}

function Grow3(){
  if(iMG3.height>MaxSize){
    window.clearTimeout(Grower3);
  }else{
    window.clearTimeout(Shrinker3);
    Size = iMG3.height + 4;
    iMG3.height=Size;
    iMG3.width=Size;
    Grower3=
    window.setTimeout('Grow3()', 20);
  }
}

function Shrink3(){
  if(iMG3.height<MinSize){
    window.clearTimeout(Shrinker3);
  }else{
    window.clearTimeout(Grower3);
    Size = iMG3.height - 4;
    iMG3.height=Size;
    iMG3.width=Size;
    Shrinker3=
    window.setTimeout('Shrink3()', 30);
  }
}

function Grow4(){
  if(iMG4.height>MaxSize){
    window.clearTimeout(Grower4);
  }else{
    window.clearTimeout(Shrinker4);
    Size = iMG4.height + 4;
    iMG4.height=Size;
    iMG4.width=Size;
    Grower4=
    window.setTimeout('Grow4()', 20);
  }
}

function Shrink4(){
  if(iMG4.height<MinSize){
    window.clearTimeout(Shrinker4);
  }else{
    window.clearTimeout(Grower4);
    Size = iMG4.height - 4;
    iMG4.height=Size;
    iMG4.width=Size;
    Shrinker4=
    window.setTimeout('Shrink4()', 30);
  }
}