function ilShowPreview(el) {
	this.windowX = (parent.document.documentElement && parent.document.documentElement.clientWidth) || parent.window.innerWidth || parent.self.innerWidth || parent.document.body.clientWidth;
	this.windowY = (parent.document.documentElement && parent.document.documentElement.clientHeight) || parent.window.innerHeight || parent.self.innerHeight || parent.document.body.clientHeight;
	this.scrollX = (parent.document.documentElement && parent.document.documentElement.scrollLeft) || parent.window.pageXOffset || parent.self.pageXOffset || parent.document.body.scrollLeft;
	this.scrollY = (parent.document.documentElement && parent.document.documentElement.scrollTop) || parent.window.pageYOffset || parent.self.pageYOffset || parent.document.body.scrollTop;
	this.pageX = (parent.document.documentElement && parent.document.documentElement.scrollWidth) ? parent.document.documentElement.scrollWidth : (parent.document.body.scrollWidth > parent.document.body.offsetWidth) ? parent.document.body.scrollWidth : parent.document.body.offsetWidth;
	this.pageY = (parent.document.documentElement && parent.document.documentElement.scrollHeight) ? parent.document.documentElement.scrollHeight : (parent.document.body.scrollHeight > parent.document.body.offsetHeight) ? parent.document.body.scrollHeight : parent.document.body.offsetHeight;
	
	elSource = el.src.substring(el.src.indexOf("imagelibrary/thumbnails/") + "imagelibrary/thumbnails/".length);
	newSource = "imagelibrary/photos/" + elSource;
	//var numb = elSource.match(/\d/g);
	//alert(numb);
	parent.document.getElementById("ilPreviewImage").src = newSource;
	parent.document.getElementById("ilPreview").style.top = scrollY + 50;
	parent.document.getElementById("ilPreview").style.visibility = "visible";
	parent.document.getElementById("ilImageCaption").innerHTML = captionText[elSource];
	parent.document.getElementById("ilImageTitleText").innerHTML = elSource;
}

function ilHidePreview() {
	parent.document.getElementById("ilPreviewImage").src = "imagelibrary/thumbnails/loading.gif";
	parent.document.getElementById("ilPreview").style.visibility = "hidden";
}

function setActiveLink(el) {
	for (i=0; i<=22; i++) {
		document.getElementById("il"+i).className = "ilMainNav";
	}
	document.getElementById("il"+el).className = "ilMainNavActive";
}

function setActiveLinkParent(el) {
	for (i=0; i<=22; i++) {
		parent.document.getElementById("il"+i).className = "ilMainNav";
	}
	parent.document.getElementById("il"+el).className = "ilMainNavActive";
}