var menuitemstoobig=[];
menuitemstoobig[0]=4;

function menuitemmouseover(itemnum){
	var item=document.getElementById("menuitem"+itemnum);
	var itemimage=document.getElementById("menuitemimage"+itemnum);
	item.className="menu-item-selected";
	itemimage.src="images/menu/arrow-anim.gif";
	var shiftright=1;
	for (var i=0;i<menuitemstoobig.length;i++){
		if (menuitemstoobig[i]==itemnum){
			shiftright=0;
		}
	}
	if (shiftright){
		itemimage.className="menu-item-image-selected";
	}
}
function menuitemmouseout(itemnum){
	var item=document.getElementById("menuitem"+itemnum);
	var itemimage=document.getElementById("menuitemimage"+itemnum);
	item.className="menu-item";
	itemimage.src="images/menu/arrow.gif";
	itemimage.className="menu-item-image";
}

function do_opacity(i){
	var overlay=document.getElementById("menu-overlay-div");
	if (typeof(overlay.style.opacity) != 'undefined'){
		overlay.style.opacity=(i/100);
	} else if (typeof(overlay.style.MozOpacity) != 'undefined'){
		overlay.style.MozOpacity=(i/100);
	} else if (typeof(overlay.filters) != 'undefined'){
		overlay.filters.alpha.opacity=i;
	}
}

function switchimage(i){
	if ( !i ) i=1; 
	if ( i>100) return;
	do_opacity(i)	
	setTimeout('switchimage('+(i+1)+')',5);
}

var images=['movie_files/image1.jpg', 'movie_files/image2.jpg']

var next_image=1;
var prev_image=0;

function switchimages(){
	overlayimage=document.getElementById("menu-overlay-image");
	image=document.getElementById("menu-image");

	
	image.src=images[prev_image];
	do_opacity(0);
	overlayimage.src=images[next_image];
	if (next_image>=images.length-1) {
		next_image=0;
	} else {
		next_image++;
	}
	if (prev_image>=images.length-1) {
		prev_image=0;
	} else {
		prev_image++;
	}
	//alert("about to switch image: "+ prev_image+ ","+next_image);
	switchimage();
}