function CImgShower(elId)
{
    var divEl, imgEl;
    
    this.divEl = document.getElementById(elId);
    this.imgEl = document.getElementById(elId + "Image");
}

CImgShower.prototype.Show = function(imagefile)
{
    this.imgEl.src = 'images/loading.gif';
    this.divEl.style.display = 'block';
    
    img = new Image();
    img.src = imagefile;
    this.imgEl.src = imagefile;
}
	    
CImgShower.prototype.Hide = function()
{
    this.divEl.style.display = 'none';
    this.imgEl.src = 'images/loading.gif';
}