/*
Simple Image Trail script- By JavaScriptKit.com
Visit http://www.javascriptkit.com for this script and more
This notice must stay intact
Modified by Tim Kroeger (tim@breakmyzencart.com) for use with
image handler 2 and better cross browser functionality
*/
var offsetfrommouse=[10,10]; //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.
var currentimageheight = 400; // maximum image size.
var padding=10; // padding must by larger than specified div padding in stylessheet
// Global variables for sizes of hoverimg
// Defined in "showtrail()", used in "followmouse()"
var zoomimg_w=0;
var zoomimg_h=0;
if (document.getElementById || document.all){
document.write('');
document.write('
');
}
function getObj(name) {
if (document.getElementById) {
this.obj = document.getElementById(name);
this.style = document.getElementById(name).style;
} else if (document.all) {
this.obj = document.all[name];
this.style = document.all[name].style;
} else if (document.layers) {
this.obj = document.layers[name];
this.style = document.layers[name];
}
}
function gettrail(){
return new getObj("trailimageid");
}
function truebody(){
return (!window.opera && document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}
function showtrail(imagename,title,oriwidth,oriheight,zoomimgwidth,zoomimgheight, image, startx, starty, startw, starth){
zoomimg_w=zoomimgwidth;
zoomimg_h=zoomimgheight;
//if (oriwidth > 0){ offsetfrommouse[0] = oriwidth; }
//if (oriheight > 0){ offsetfrommouse[1] = -1 *(zoomimgheight-oriheight)/2 - 40; }
// alert (offsetfrommouse[0] + "," + offsetfrommouse[1]);
if (zoomimgheight > 0){ currentimageheight = zoomimgheight; }
trailobj = gettrail().obj;
trailobj.style.width=(zoomimgwidth+(2*padding))+"px";
trailobj.style.height=(zoomimgheight+(2*padding))+"px";
trailobj.setAttribute("startx", startx);
trailobj.setAttribute("starty", starty);
trailobj.setAttribute("startw", startw);
trailobj.setAttribute("starth", starth);
trailobj.setAttribute("imagename", imagename);
trailobj.setAttribute("imgtitle", title);
document.onmousemove=followmouse;
}
function hidetrail(){
trailstyle = gettrail().style;
trailstyle.visibility = "hidden";
document.onmousemove = "";
trailstyle.left = "-2000px";
trailstyle.top = "-2000px";
}
function followmouse(e){
var xcoord=offsetfrommouse[0];
var ycoord=offsetfrommouse[1];
var docwidth=document.all? truebody().scrollLeft+truebody().clientWidth : pageXOffset+window.innerWidth-15;
var docheight=document.all? Math.min(truebody().scrollHeight, truebody().clientHeight) : Math.min(window.innerHeight);
//if (document.all){
// trail.obj.innerHTML = 'A = ' + truebody().scrollHeight + '
B = ' + truebody().clientHeight;
//} else {
// trail.obj.innerHTML = 'C = ' + document.body.offsetHeight + '
D = ' + window.innerHeight;
//}
var relativeX = null;
var relativeY = null;
if (typeof e != "undefined"){
if ((typeof e.layerX != "undefined") && (typeof e.layerY != "undefined")) {
relativeX = e.layerX;
relativeY = e.layerY;
} else if ((typeof e.x != "undefined") && (typeof e.y != "undefined")) {
relativeX = e.x;
relativeY = e.y;
}
if (docwidth - e.pageX < zoomimg_w + (3 * padding)) {
xcoord = e.pageX - xcoord - zoomimg_w - (2 * offsetfrommouse[0]);
} else {
xcoord += e.pageX;
}
if (docheight - e.pageY < zoomimg_h + (2 * padding)){
ycoord += e.pageY - Math.max(0,(0 + zoomimg_h + (5 * padding) + e.pageY - docheight - truebody().scrollTop));
} else {
ycoord += e.pageY;
}
} else if (typeof window.event != "undefined"){
if ((typeof event.x != "undefined") && (typeof event.y != "undefined")) {
relativeX = event.x;
relativeY = event.y;
} else if ((typeof event.offsetX != "undefined") && (event.offsetY != "undefined")) {
relativeX = event.offsetX;
relativeY = event.offsetY;
}
if (docwidth - event.clientX < zoomimg_w + (3 * padding)) {
xcoord = event.clientX - xcoord - zoomimg_w - (2 * offsetfrommouse[0]);
} else {
xcoord += truebody().scrollLeft+event.clientX;
}
var ie_offset = -20;
if ( docheight - event.clientY < zoomimg_h + (2 * padding) ){
//ycoord += event.clientY - Math.max(0,(0 + zoomimg_h + (5 * padding) - (docheight + truebody().scrollTop -event.clientY) ) );
ycoord += ie_offset + truebody().scrollTop + event.clientY - Math.max(0,(0 + zoomimg_h + (2 * padding) - (docheight - event.clientY) ) );
}
else {
ycoord += ie_offset + truebody().scrollTop + event.clientY;
}
}
trail = gettrail();
startx = trail.obj.getAttribute("startx");
starty = trail.obj.getAttribute("starty");
startw = trail.obj.getAttribute("startw");
starth = trail.obj.getAttribute("starth");
imagename = trail.obj.getAttribute("imagename");
title = trail.obj.getAttribute("imgtitle");
// calculate and set position BEFORE switching to visible
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);
if(ycoord < 0) { ycoord = ycoord*-1; }
if ((trail.style.left == "-2000px") || (trail.style.left == "")) { trail.style.left=xcoord+"px"; }
if ((trail.style.top == "-2000px") || (trail.style.top == "")) { trail.style.top=ycoord+"px"; }
trail.style.left=xcoord+"px";
trail.style.top=ycoord+"px";
// alert (trail.style.left+","+trail.style.top);
if (trail.style.visibility != "visible") {
if (((relativeX == null) || (relativeY == null)) ||
((relativeX >= startx) && (relativeX <= (startx + startw))
&& (relativeY >= starty) && (relativeY <= (starty + starth)))){
newHTML = '' + title + '
';
newHTML = newHTML + '
