function zoomImage(event, imgSrc)
{
    zoomLayer = $('fc_zoomLayer');
    if(imgSrc) {
        if(zoomLayer) {
            zoomLayer.style.display = 'block';
            zoomLayer.style.left = (Event.pointerX(event) + 40)+'px';
	        zoomLayer.style.top = (Event.pointerY(event) - 30)+'px';
	        zoomLayer.innerHTML = '<img src="'+imgSrc+'" />';
        } else {
            zoomLayer = new Element('div', {id: 'fc_zoomLayer'});
	        document.body.appendChild(zoomLayer);
	        zoomImage(event, imgSrc);
        }
    } else {
        if(zoomLayer) {
            zoomLayer.style.display = 'none';
        }
    }
}