function getImageRef()
{
    var path = window.location.pathname;
    var length = (path.split('/').length);
    
    // zero based, remove leading/trailing counts
    if(length > 1)
    {
        length = (length - 2);
    }
    
    var steps = getSteps(length);
    var location = steps + 'images/';
    return location;
    
    function getSteps(length)
    {
        var s = '';
        for(var i = 1; i <= length; i++)
        {
            s+='../';
        }
        return s;
    }
}