function popupImage(filepath){
	var y = 0;

	if (document.all) {
		y = (document.body.scrollTop || document.documentElement.scrollTop) + 32;

		if(!popupImage.imgNode){
			popupImage.imgNode = document.createElement('img');
			popupImage.imgNode.setAttribute( 'src' , filepath );
			popupImage.imgNode.onclick = closeImage;
		}

	} else if( document.implementation) {
		y = window.pageYOffset + 32;

		if(!popupImage.imgNode){
			popupImage.imgNode = document.createElement('img');
			popupImage.imgNode.setAttribute( 'src' , filepath );
			popupImage.imgNode.addEventListener('click' ,closeImage , true);
		}
	} else {
		return false;
	}

	with(popupImage){
		imgNode.style.position = 'absolute';
		imgNode.style.left = '32px';
		imgNode.style.top = y + 'px';
		imgNode.style.borderColor = '#FF6600';
		imgNode.style.borderWidth = '1px';
		imgNode.style.borderStyle = 'solid';
		imgNode.style.margin = '0';
		document.body.appendChild(imgNode);
	}

	function closeImage(){
		if (popupImage.imgNode) {
			document.body.removeChild(popupImage.imgNode);
			popupImage.imgNode = null;
		}
	}
}