function openGallery(url) {
    var gwin = window.open(url,"gallery","width=500,height=500,location=no,menubar=no,statusbar=no,toolbar=no,resizable=no");
    gwin.focus();
    return false;
}

function makeEdge() {
	var imgTeaser = document.getElementById('teaser');
	if (imgTeaser) {
		imgTeaser.style.backgroundImage = 'url(./images/'+imgTeaser.src.slice(imgTeaser.src.lastIndexOf('/'))+')';
		imgTeaser.src = './images/edge.gif';
	}
}