var book = {
		divCover : document.getElementById('bookcover'),
		divViewer : document.getElementById('bookview'),
		imgLinks : document.getElementsByName('bookimg'),
		view : function(varn)
		{
			this.divCover.style.display = this.divViewer.style.display = '';
			this.divCover.style.width = document.body.scrollWidth + "px";
			this.divCover.style.height = document.body.scrollHeight + "px";
			this.divViewer.style.top = (document.body.scrollTop + 20) + "px";
			document.body.style.overflow = 'hidden';
			this.divViewer.style.width = (document.body.clientWidth - 60) + "px";
			this.divViewer.style.height = (document.body.clientHeight - 40) + "px";
			window.open('do_book.asp?id=' + (varn || event.srcElement.getAttribute('dir')), 'iframebook');
		},
		close : function()
		{
			this.divCover.style.display = this.divViewer.style.display = 'none';
			document.body.style.overflow = 'auto';
		}
	}, closeBookView = function() { book.close(); };
	for (var i = 0; i < book.imgLinks.length; i++) book.imgLinks[i].onclick = function() { book.view(); };