var aImgNames = [];

function preloadImages(oEvent)
{
    for(var cIndex = 0; cIndex < aImgNames.length; cIndex++)
    {
        var strImgName = aImgNames[cIndex];
        var nodeDiv = document.createElement('div');
        var nodeImg = document.createElement('img');

        nodeDiv.style.display = 'none';
        nodeDiv.setAttribute('id', strImgName);
        
        nodeImg.setAttribute('src', 'images/photo_gallery/'+ strImgName);
        
        nodeDiv.appendChild(nodeImg);
        
        document.getElementById("photoGallery").appendChild(nodeDiv);
        
        if(cIndex == 0)
        {
            show(strImgName);
        }
    }
    
    return true;
}

function show(strImgName, eImg)
{
    var nodeContainer = document.getElementById('imageContainer');
    var nodeImgDiv = document.getElementById(strImgName);
    
    if(nodeImgDiv != null && nodeContainer != null)
    {
    	try
    	{
            nodeContainer.style.filter="blendTrans(duration=1)";
            nodeContainer.filters.blendTrans.Apply();
    	}
    	catch(errError)
    	{
            //do nothing
    	}
    	
        nodeContainer.innerHTML = nodeImgDiv.innerHTML;
        
    	try
    	{
            nodeContainer.filters.blendTrans.Play();
    	}
    	catch(errError)
    	{
    	  //do nothing
    	}
    	
    }
    
    if(eImg != null)
    {
        eImg.setAttribute('class', 'pgImgSelected');
    }
    
    return true;
}