var enlargement_visible = false;

function enlarger(id) {
	enlargement_visible = true;
	document.getElementById('enlargement_image').src='/cgi-local/imageserver.cgi?column=filename&width=600&height=400&method=fit&i=' + id;
}

function show_enlargement() {
	if (enlargement_visible) {
		var myScroll = window.getScrollTop(); //a mootools function that records the number of pixels the window is scrolled from the top
		y = myScroll + 100
		document.getElementById('enlargement_holder').style.top=y+"px";
		document.getElementById('enlargement').style.visibility='visible';	
	}
}

function closer() {
	enlargement_visible = false;
	document.getElementById('enlargement').style.visibility='hidden';
	document.getElementById('enlargement_image').src='/images/blank.gif';
}

function bodycloser() {
	if (enlargement_visible)
		closer();
}