function ShowSplash(divName, imageName)
{
    var div = document.getElementById(divName);
    var imgProgress = document.getElementById(imageName);
    if(div && imgProgress)
    {                     
        var h = document.documentElement.clientHeight;
        var w = document.documentElement.clientWidth;
            
        div.style.width = w;
        div.style.height = h;
        div.style.minHeight = h;
        div.style.minWidth= w;
        div.style.display = ''; 
            
        imgProgress.style.position = 'absolute';
        imgProgress.style.left = w / 2 - 65;
        imgProgress.style.top = h / 2 - 30;
        imgProgress.style.display = '';  
    }
}
function HideSplash(divName, imageName)
{
    var div = document.getElementById(divName);
    var imgProgress = document.getElementById(imageName);
    if(div && imgProgress)
    {
        div.style.display = 'none';
        imgProgress.style.display = 'none';
    }
}