<!--

function rand(number)
{
    return Math.round(number * Math.random());
}

function randomizeHeader(indices)
{   
    var imageMap = new Object();
    var imageName = null;    
    
    for (var i in indices)
    {	    
	    do
	    {
	        var imageNumber = rand(images.length);	        
	        
	        if (imageNumber == 0)
	        {
                imageName = images[0];    	        
	        }
	        else
	        {
	            imageName = images[imageNumber - 1];
	        }	        
	         
	        if (typeof(imageMap[imageName]) == 'undefined') 
	        {
	            imageMap[imageName] = new Object();	            
	            break;
	        }	        
	    }
	    while (true);	    
	    
	    changeImageSource(imageName, indices[i]);

    }		
}

function changeImageSource(newImageName, index)
{
    var imageName = 'imgHeader' + index;	
    var currentImage = document.images[imageName];	
    currentImage.src = newImageName;	          
    setOpacity(currentImage, 0);
    fadeIn(imageName, 0);
}

function setOpacity(obj, opacity) 
{
  opacity = (opacity == 100) ? 99.999 : opacity;  
  obj.style.filter = "alpha(opacity:"+opacity+")";     
  obj.style.KHTMLOpacity = opacity/100;    
  obj.style.MozOpacity = opacity/100;  
  obj.style.opacity = opacity/100;
}

function fadeIn(imageName, opacity) 
{
  var obj = document.images[imageName];
  
  if (opacity <= 100) 
  {  	
    setOpacity(obj, opacity);    
    opacity += 10;
    window.setTimeout("fadeIn('"+imageName+"',"+opacity+")", 50);
  }  
}


//-->