var currentImage = 0;
var menushow = 0;
var timeDelay;
var timer_on=0;
function showstuff(boxid1, boxid2, imageid1, imageid2){
   currentImage = imageid2;
   document.getElementById(boxid1).style.opacity = 0.6;
   document.getElementById(boxid1).style.filter = 'alpha(opacity=60)';
   document.getElementById(boxid2).style.opacity = 1;
   document.getElementById(boxid2).style.filter = 'alpha(opacity=100)';
   document.getElementById(boxid1).style.visibility="visible";
   document.getElementById(boxid2).style.visibility="visible";
   document.getElementById(imageid1).src = _imageList[currentImage];
}
function showmenu() {
	if (menushow == 0) {
		document.getElementById('menu2_drop').style.visibility="visible";
		menushow++;
	}
	else {
		document.getElementById('menu2_drop').style.visibility="hidden";
		menushow--;
	}
}
function backImage(imageid) {
	if (timer_on == 1) {
		clearTimeout(timeDelay);
		timer_on = 0;
		document.getElementById('slideshow').src = "./images/block2.png";
	}
	currentImage--;

	if (currentImage < 0) {
		currentImage = _imageList.length-1;
	}

	document.getElementById(imageid).src = _imageList[currentImage];
}
function nextImage(imageid) {
	if (timer_on == 1) {
		clearTimeout(timeDelay);
		timer_on = 0;
		document.getElementById('slideshow').src = "./images/block2.png";
	}
	currentImage++;  

	if (currentImage > _imageList.length-1) {
		currentImage = 0;
	}
	document.getElementById(imageid).src = _imageList[currentImage];
}


function hidestuff(boxid1, boxid2, imageid1){
	document.getElementById(imageid1).src = "./images/block2.png";
	document.getElementById(boxid1).style.visibility="hidden";
	document.getElementById(boxid2).style.visibility="hidden";
	if (timer_on == 1) {
		clearTimeout(timeDelay);
		timer_on = 0;
		document.getElementById('slideshow').src = "./images/block2.png";
	}
}
function slideShow2() { 
	if (timer_on = 1) {
		if (currentImage<_imageList.length) {
			currentImage++; 
			if (currentImage > _imageList.length-1) { currentImage = 0; }
			timeDelay=setTimeout("slideShow2('gallery_display')",4000) 
			document.getElementById('gallery_display').src = _imageList[currentImage];
		}
	}
}
function slideShow() {
	if (timer_on == 0) {
		timer_on = 1;
		slideShow2();
		document.getElementById('slideshow').src = "./images/showstartstop.png";
	}
	else {
		clearTimeout(timeDelay);
		timer_on = 0;
		document.getElementById('slideshow').src = "./images/block2.png";
	}
}
function mouseLeaves (element, evt) {
if (typeof evt.toElement != 'undefined' && evt.toElement && typeof element.contains != 'undefined') {
return !element.contains(evt.toElement);
}
else if (typeof evt.relatedTarget != 'undefined' && evt.relatedTarget) {
return !contains(element, evt.relatedTarget);
}
}
function contains (container, containee) {
while (containee) {
if (container == containee) {
return true;
}
containee = containee.parentNode;
}
return false;
}