надо добавить браузеры в скрипт

[OverHerz]

var dom = (document.getElementById) ? true : false;
var nn4 = (document.layers) ? true : false;
var ie = (document.all) ? true : false;
var ie4 = (!dom && ie) ? true : false;
var moz = (dom && (navigator.appName=="Netscape")) ? true : false;
var opr = (dom && window.opera) ? true : false;
var op8 = (opr && (navigator.userAgent.indexOf("Opera 8") > 0 || navigator.userAgent.indexOf("Opera/8") >= 0)) ? true : false;

var hintsObj = null;


// Netscape, Mozilla and Opera
function moveHintsN(e) {

if (hintsObj == null) return;

if (nn4) {
 xoff = e.pageX + 10;
 if (document.body.clientWidth < (xoff + 300)) {
// align to right border of window
// 	 xoff = document.body.clientWidth - 300;
// revert align to mouse
	 xoff -= 310;
 }
 document.layers['hints'].left = xoff;
 document.layers['hints'].top = e.pageY + 10;
 document.layers['hints'].visibility = "show"
} else if (moz || op8) {

 xoff = window.pageXOffset + e.clientX + 10;
 if (document.body.clientWidth < (xoff + 300)) {
// align to right border of window
// 	 xoff = document.body.clientWidth - 300;
// revert align to mouse
	 xoff -= 310;
 }
 document.getElementById('hints').style.left = xoff + "px";
 document.getElementById('hints').style.top = window.pageYOffset + e.clientY + 10 + "px";
 document.getElementById('hints').style.visibility = "visible";
}
}

function hideHintsN(e) {

if (hintsObj == null) return;
document.releaseEvents(Event.MOUSEMOVE);
document.releaseEvents(Event.MOUSEOUT);
document.onmousemove = null;
document.onmouseout = null;
   if (nn4) {
 document.layers['hints'].visibility = "hide";
 document.layers['hints'].left = 0;
 document.layers['hints'].top = 0;
   } else if (moz || op8) document.getElementById('hints').style.visibility = "hidden";
   hintsObj = null;
}


// IE
function moveHints() {

if (opr || moz || nn4 || (hintsObj == null)) return;

   xoff = 0;
   yoff = 0;
if (dom || ie) {
 if (dom) q = document.getElementById(hintsObj);
 else q = document.all[hintsObj];
 while (q) {
	 xoff += q.offsetLeft;
	 yoff += q.offsetTop;
	 q = q.offsetParent;
 }
 xoff += window.event.offsetX + 10;
 yoff += window.event.offsetY + 5;
}

if (document.body.clientWidth < (xoff + 300)) {
// align to right border of window
//  xoff = document.body.clientWidth - 300;
// revert align to mouse
 xoff -= 320;
}

   if (dom) {
 document.getElementById('hints').style.left = xoff;
 document.getElementById('hints').style.top = yoff;
} else if (ie4) {
 document.all['hints'].style.left = xoff;
 document.all['hints'].style.top = yoff;
}
}

function hideHints() {

if (opr || moz || nn4 || (hintsObj == null)) return;

if (dom) document.getElementById('hints').style.visibility = "hidden";
 else if (ie4) document.all['hints'].style.visibility = "hidden";
   hintsObj = null;
}


// ALL
function showHints(obj,head,text) {

if ((opr && !op8) || (text == "")) return;

   contents = "<table border=\'0\' cellspacing=\'0\' class=\'hintshead\'><tr><td style=\'padding:1px\'><b>" + head + "</b></td></tr><tr><td style=\'padding:1px\'><table border=\'0\' cellspacing=\'0\' class=\'hintstext\'><tr><td style=\'padding:3px\'>" + text + "</td></tr></table></td></tr></table>";

hintsObj = obj;
if (dom) document.getElementById('hints').innerHTML = contents;
else if (nn4) {
	 document.layers['hints'].document.open();
	 document.layers['hints'].document.write(contents);
	 document.layers['hints'].document.close();
 }
else if (ie4) document.all['hints'].innerHTML = contents;

   // for Netscape, Mozilla and Opera
if (nn4 || moz || op8) {
 document.captureEvents(Event.MOUSEMOVE);
 document.captureEvents(Event.MOUSEOUT);
 document.onmousemove = moveHintsN;
 document.onmouseout = hideHintsN;
 return;
}
   // for IE
   if (dom || ie) {
 moveHints();
 if (dom) document.getElementById('hints').style.visibility = "visible";
	 else if (ie4) document.all['hints'].style.visibility = "visible";
   }
}

надо сюда добавить FireFox, Opera 7 и MyIe2. Как это сделать? 8-ую оперу я уже прописал заместо 7-ой...

[NvG]

Opera 8 === IE

Firefox === Mozilla

MyIE === Opera 7