function setTargets(theClass) {
	for (var i=0; i<=(document.links.length-1); i++) {
		if (document.links[i].className == theClass) {
			document.links[i].onclick = previewLink;
		}
	}
}

function previewLink() {
	window.open(this.href, "FilePreview");
	return false;
}