function hide(e) {
    if (document.getElementById(e).style.display == 'block') {
        document.getElementById(e).style.display = 'none';
    } else {
        document.getElementById(e).style.display = 'block';
    }
}

function RefreshImage(valImageId) {
	var objImage = document.images[valImageId];
	if (objImage == undefined) {
		return;
	}
	var now = new Date();
	objImage.src = objImage.src.split('?')[0] + '?x=' + now.toUTCString();
}