function imageSwap(id) {
	var links = document.getElementById(id).getElementsByTagName('a');
	var imgLoad = [];

	for(var i = 0; i < links.length; i++) {
		attachBehavior(links[i], i);
	}

	function attachBehavior(obj, iter) {

		var img = obj.getElementsByTagName('img')[0];
		var imgSrc = img.getAttribute('src');
		var ext = imgSrc.match(/\.\S{3}$/);
		var overSrc = imgSrc.replace(ext, 'black' + ext);

        // preLoad over states
		imgLoad[iter] = new Image();
		imgLoad[iter].src = overSrc;

        // use event listeners if appropriate
		obj.onmouseover = function(){
			img.setAttribute('src', overSrc);
		}
		obj.onmouseout = function(){
			img.setAttribute('src', imgSrc);
		}
	}
}

function openJaguarInternationalPage(theUrl) {
	leftVal = (screen.width - 800) / 2;
	topVal = (screen.height - 500) / 2;
	window.open(theUrl,'pop','toolbar=no,location=no,scrollbars=yes,status=no,menubar=no,resizable=yes,width=1000,height=700,left='+leftVal+',top='+topVal);
}