function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		eo_values_over = newImage("images/eo_values-over.jpg");
		cartoon_over = newImage("images/cartoon-over.jpg");
		activities_over = newImage("images/activities-over.jpg");
		gallery_over = newImage("images/gallery-over.jpg");
		posters_over = newImage("images/posters-over.jpg");
		fun_games_over = newImage("images/fun_games-over.jpg");
		preloadFlag = true;
	}
}


function showPreview(photo){
	document.getElementById("preview").style.display = "";
	
	document.getElementById("preview").src = photo;
	setIsGrayImage(document.getElementById("preview"));

	//if (document.all || document.getElementById)
		//which.style.backgroundColor=color;
}

function showPreviewBackground(){
	//document.getElementById("preview").src = "images/poster_background.jpg";
	document.getElementById("preview").style.display = "none";
}