/*******************************************
  start: rollovers
*******************************************/
var graphicNames = new Array('about', 'contact', 'home', 'research');

var numImages = graphicNames.length;
var rpiImagesoff = new Array(numImages);
var rpiImageson = new Array(numImages);

var graphicsPrefix = "/de/wp-content/themes/firstclassmlmde/img/";
var curImage = "";

for(var i = 0; i < numImages; i++) {
	rpiImagesoff[i] = new Image();
	rpiImagesoff[i].src = graphicsPrefix + graphicNames[i] + "_off.gif";
	rpiImageson[i] = new Image();
	rpiImageson[i].src = graphicsPrefix + graphicNames[i] + "_on.gif";
}

function set_cur_tab(loc) {
	curImage = loc;
	for(j = 0; j < numImages; j++) {
		if (graphicNames[j] == loc) {
			document.images[loc].src=rpiImageson[j].src;
		}
	}
}

function on_image(loc) {
	if (curImage == loc) return;
	for(j = 0; j < numImages; j++) {
		if (graphicNames[j] == loc) {
			document.images[loc].src=rpiImageson[j].src;
		}
	}
}

function off_image(loc) {
	if (curImage == loc) return;
	for(k = 0; k < numImages; k++) {
		if (graphicNames[k] == loc) {
			document.images[loc].src=rpiImagesoff[k].src;
		}
	}
}
/*******************************************
  end: rollovers
*******************************************/