function CloseFlash() {
	var Flash = document.getElementById('flash');
	Flash.style.display = "none";
}

function ChangeBigImage(NewImage,NewDesc) {
	var BigImage = document.getElementById('BigImage');
	BigImage.src=NewImage;
	fadeOut('BigImage');
	var BigImageDesc = document.getElementById('BigImageDesc');
	BigImageDesc.innerHTML = NewDesc;
}

var counter = 0;
var step = 10;
var timerId = -1;

function fadeOut(id) {
	var fadeObj = document.getElementById(id)
	if (timerId != -1) {
		window.clearInterval(timerId);
	}
	counter = 0;
	timerId = window.setInterval("doFadeIn('"+id+"');", 50);
}

function doFadeIn(id) {
    if (counter >= 100) {
			window.clearInterval(timerId);
		}
    var fadeObj = document.getElementById(id);
    fadeObj.style.opacity = counter/100;
    fadeObj.style.filter = 'alpha(opacity='+ counter +');';
    counter += step;
}