//By BWB_Tiz
//Image swapper on MouseOver Event with browser detection
//detect browser:
browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
if (browserName == "Netscape" && browserVer >= 3) browserVer = "1";
else if (browserName == "Microsoft Internet Explorer" && browserVer == 4) browserVer = "1";
else browserVer = "2";

//preload images:
if (browserVer == 1) {
rubriche1 = new Image(108,35);
rubriche1.src = "/img/rubriche_bt.gif";
rubriche2 = new Image(108,35);
rubriche2.src = "/img/rubriche2.gif";
quizzorium1 = new Image(143,35);
quizzorium1.src = "/img/quizzorium_bt.gif";
quizzorium2 = new Image(143,35);
quizzorium2.src = "/img/quizzorium2.gif";
redazione1 = new Image(134,35);
redazione1.src = "/img/redazione_bt.gif";
redazione2 = new Image(134,35);
redazione2.src = "/img/redazione2.gif";
}

//image swapping function:
function hiLite(imgDocID, imgObjName, comment) {
if (browserVer == 1) {
document.images[imgDocID].src = eval(imgObjName + ".src");
window.status = comment; return true;
	}
}