function rollover(img, file) {
	img.src = "bilder/" + file;
}

function changeImage(imgId, imgName, thumbnailId){
	document.getElementById("img-" + imgId).src = "index.php?rex_resize=268w__" + imgName;
	document.getElementById("imglink-" + imgId).href = "JavaScript:thumbnailClick('" + imgId + "-" + thumbnailId + "')";
	document.getElementById("lupe-" + imgId).href = "JavaScript:thumbnailClick('" + imgId + "-" + thumbnailId + "')";
}

function thumbnailClick(thumbnailId) {
	document.getElementById("thumbnail-" + thumbnailId).click();
}

function externalLinks() {
    if (!document.getElementsByTagName) return;
    var anchors = document.getElementsByTagName("a");
    for (var i=0; i<anchors.length; i++) {
        var anchor = anchors[i];
        if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external") {
            anchor.target = "_blank";
        }
    }
}
window.onload = externalLinks;