// JavaScript Document
/*
Simple Image Trail script- By JavaScriptKit.com
Visit http://www.javascriptkit.com for this script and more
This notice must stay intact
*/

var offsetfrommouse=[30,30]; //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 = 600; // maximum image size.

if (document.getElementById || document.all){
//alert('inside trailimageid insertion');
document.write('<div id="trailimageid">');
document.write('</div>');
}

function gettrailobj(){
if (document.getElementById)
return document.getElementById("trailimageid").style
else if (document.all)
return document.all.trailimagid.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 showtrail(imagename, title, description, showthumb, imgWidth, height){

//Not an increment. Just set to 0 if this function has been run >0 times.
counterAdjustment = 0;

gettrailobj().width=(imgWidth + 18) + "px"
gettrailobj().height=(height + 18) + "px"

//alert('followmouse: ' + followmouse);
document.onmousemove=followmouse;
newHTML = '<div style="padding: 5px; background-color: #FFF; border: 1px solid #888;">';

if (showthumb > 0){
	if(title != "") newHTML = newHTML + '<h2>' + title + '</h2>';
	if(description != "") newHTML = newHTML + description.replace(/\[[^\]]*\]/g, '') + '<br/>';

	newHTML = newHTML + '<div align="center" style="padding: 4px 2px 2px 2px;">';
	newHTML = newHTML + '<img src="' + imagename + '"';
	newHTML = newHTML + ' height="' + height + '" width="' + imgWidth + '"';
	newHTML = newHTML + ' border="0" /></div>';
}

//newHTML = newHTML + '<table width=100% cellpadding=0 cellspacing=0 border=0><tr>';
//newHTML = newHTML + '<td align="left" class="thumbnailHoverText">&nbsp;' + brandText + '</td>';
//newHTML = newHTML + '<td align="right" class="thumbnailHoverText">Image# ' + imageNumber + '&nbsp;</td>';
//newHTML = newHTML + '</tr></table>';

newHTML = newHTML + '</div>';
//alert('newHTML: ' + newHTML);

gettrailobjnostyle().innerHTML = newHTML;

gettrailobj().visibility="visible";
}


function hidetrail(){
//if(document.hoverForm.showComp.selectedIndex==0) {
gettrailobj().visibility="hidden"
document.onmousemove=""
gettrailobj().left="-500px"
//}
}

function followmouse(e){

imgWidth = gettrailobj().width;
imgWidth = Number(imgWidth.replace("px", ''));
height = gettrailobj().height;
height = Number(height.replace("px", ''));
//alert(height);

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(document.body.offsetHeight, window.innerHeight)

if (typeof e != "undefined"){
if (docwidth - e.pageX < imgWidth+50){
xcoord = e.pageX - xcoord - imgWidth; // Move to the left side of the cursor
} else {
xcoord += e.pageX;
}
if (docheight - e.pageY < (height + 50)){
ycoord += e.pageY - Math.max(0,(50 + height + e.pageY - docheight - truebody().scrollTop));
} else {
ycoord += e.pageY;
}

} else if (typeof window.event != "undefined"){
if (docwidth - event.clientX < imgWidth+50){
xcoord = event.clientX + truebody().scrollLeft - xcoord - imgWidth; // Move to the left side of the cursor
} else {
xcoord += truebody().scrollLeft+event.clientX
}
if (docheight - event.clientY < (height + 50)){
ycoord += event.clientY + truebody().scrollTop - Math.max(0,(50 + height + event.clientY - docheight));
} else {
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"
}
