var opacityOut;
var idOut;
var opacityIn;
var idIn;


function rotateFooter(){
    if(footCount != 0){
    
      var count = 'foot' + footCount;
      idOut=count;
      opacityOut=.99;

      fadeOut();     
      document.getElementById(count).className="";      

    } else {
      footCount = Math.floor(Math.random()*6)+1
    }
    
    footCount++;
    if(footCount >= 7){
      footCount=1;
    }
    count = 'foot' + footCount;       
    document.getElementById(count).className="selected";
    document.getElementById(count).src = (document.getElementById(count).src).replace("zoom", "zoom");
    
    idIn=count;
    opacityIn=.11;    
    fadeIn();
    setTimeout("rotateFooter()", 5000);
}     


function fadeIn(){
  if(opacityIn < 1){
    document.getElementById(idIn).style.opacity=opacityIn;
    var filter = opacityIn*100;
    document.getElementById(idIn).style.filter='alpha(opacity='+filter+')';
    opacityIn = opacityIn + .01;
    setTimeout("fadeIn()",20);     
  }
}

function fadeOut(){
  if(opacityOut >= .10){
    document.getElementById(idOut).style.opacity=opacityOut;
    var filter = opacityOut*100;
    document.getElementById(idOut).style.filter='alpha(opacity='+filter+')';
    opacityOut = opacityOut - .01;
    setTimeout("fadeOut()",10);     
  } else {
    document.getElementById(idOut).src = (document.getElementById(idOut).src).replace("thumb", "zoom");
  }                            
}