Imagetrail effect for NextGen Gallery

My site is http://www.dinahdesigns.com

Here is my script

in gallery.php added
<textarea rows=”2″ cols=”40″>
<script type=”text/javascript” src=”http://www.dinahdesigns.com/wp-content/plugins/nextgen-gallery/js/imagetrail.js”></script&gt;
</textarea>
and changed image attributes as follows

<textarea rows=”5″ cols=”40″>
<img title=”<?php echo $image->alttext ?>” alt=”<?php echo $image->alttext ?>” src=”<?php echo $image->thumbnailURL ?>” <?php echo $image->size ?> onmouseover=”showtrail(‘<?php echo $image->imageURL ?>”,'<?php echo $image->alttext ?>’,'<?php echo $image->alttext ?>’,’3.0000′,’0′,’1′,180);”
onmouseout=”hidetrail();” />
</textarea>

here is the imagetrail.js
<textarea rows=”25″ cols=”40″>
/*
Simple Image Trail script- By JavaScriptKit.com
Visit http://www.javascriptkit.com for this script and more
This notice must stay intact
*/

var offsetfrommouse=[25,-150] //image x,y offsets from cursor position in pixels. Enter 0,0 for no offset
var displayduration=0 //duration in seconds image should remain visible. 0 for always.

function gettrailobj(){
if (document.getElementById)
return document.getElementById(“trailimageid”).style
else if (document.all)
return document.all.trailimagid.style
}

function getadobj(){
if (document.getElementById) {
if (document.getElementById(“rightcolads”)) {
return document.getElementById(“rightcolads”).style
}
} else if (document.all) {
if(document.all.rightcolads) {
return document.all.rightcolads.style
}
}
}

function getadobj2(){
if (document.getElementById) {
if (document.getElementById(“rectanglead”)) {
return document.getElementById(“rectanglead”).style
}
} else if (document.all) {
if(document.all.rectanglead) {
return document.all.rectanglead.style
}
}
}

function getadobj3(){
if (document.getElementById) {
if (document.getElementById(“halfbannerad”)) {
return document.getElementById(“halfbannerad”).style
}
} else if (document.all) {
if(document.all.halfbannerad) {
return document.all.halfbannerad.style
}
}
}

function gettrailobjnostyle(){
if (document.getElementById)
return document.getElementById(“trailimageid”)
else if (document.all)
return document.all.trailimagid
}
function truebody(){
return (!window.opera && document.compatMode && document.compatMode!=”BackCompat”)? document.documentElement : document.body
}

function hidetrail(){
gettrailobj().innerHTML = ” “;
gettrailobj().display=”none”;
document.onmousemove=””;
gettrailobj().left=”-800px”;

var righthandads = getadobj();
if(righthandads) {
righthandads.visibility=”visible”;
}

var ad2 = getadobj2();
if(ad2) {
ad2.visibility=”visible”;
}

var ad3 = getadobj3();
if(ad3) {
ad3.visibility=”visible”;
}
}

function followmouse(e){
var xcoord=offsetfrommouse[0]
var ycoord=offsetfrommouse[1]
if (typeof e != “undefined”){
xcoord+=e.pageX
ycoord+=e.pageY
}
else if (typeof window.event !=”undefined”){
xcoord+=truebody().scrollLeft+event.clientX
ycoord+=truebody().scrollTop+event.clientY
}
var docwidth=document.all? truebody().scrollLeft+truebody().clientWidth : pageXOffset+window.innerWidth-15
var docheight=document.all? Math.max(truebody().scrollHeight, truebody().clientHeight) : Math.max(document.body.offsetHeight, window.innerHeight)

gettrailobj().left=xcoord+”px”
gettrailobj().top=ycoord+”px”
}
function showtrail(imagename,title){

var trailobj = gettrailobjnostyle();
if (trailobj == null){
var divTag = document.createElement(‘div’);
divTag.id = ‘trailimageid’;
document.body.appendChild(divTag);
}

var righthandads = getadobj();
if(righthandads) {
righthandads.visibility=”hidden”;
}

var ad2 = getadobj2();
if(ad2) {
ad2.visibility=”hidden”;
}

var ad3 = getadobj3();
if(ad3) {
ad3.visibility=”hidden”;
}

document.onmousemove=followmouse;

newHTML = ‘<div style=”padding: 0px 5px 5px 5px; background-color: #FFF; border: 1px solid #888;”>’;
if (title == undefined)
{
title = ‘Full Size Photo’;
}
newHTML = newHTML + ‘<h2>’ + title + ‘</h2>’;
newHTML = newHTML + ‘<div align=”center” style=”padding: 2px;” class=”photo”>’;
newHTML = newHTML + ‘<img src=”‘ + imagename + ‘” border=”0″/></div>’;

newHTML = newHTML + ‘</div>’;
gettrailobjnostyle().innerHTML = newHTML;
gettrailobj().display=”inline”;
document.onclick=hidetrail;
}
</textarea>