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

Modded by Dale Wallis 2010
----------------------------------------------------------------------------------------------------------------
*/

var w = 1
var h = 1

if (document.getElementById || document.all)
    document.write('<div id="trailimageid" style="position:absolute;visibility:hidden;left:0px;top:-1000px;width:1px;height:1px;"><img id="ttimg" src="images/loading.gif" /><br /><img id="prdImgCopy" src="images/prdImgCopy.png" alt="" /></div>');

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

function truebody() {
    return (!window.opera && document.compatMode && document.compatMode != "BackCompat") ? document.documentElement : document.body;
}

function hidetrail() {
    document.onmousemove = "";
    document.getElementById('ttimg').src = 'images/loading.gif';
    gettrailobj().visibility = "hidden";
    gettrailobj().left = -1000;
    gettrailobj().top = 0;
}


function showtrail(width, height, file) {
    if (navigator.userAgent.toLowerCase().indexOf('opera') == -1 && navigator.userAgent.toLowerCase().indexOf('safari') == -1) {
        w = width;
        h = height;

        // followmouse()

        gettrailobj().visibility = "visible";
        //gettrailobj().width = w + "px"
        //gettrailobj().height = h + "px"
        document.getElementById('ttimg').src = file;
        document.getElementById('ttimg').style.maxWidth = width + "px";
        document.getElementById('ttimg').style.maxHeight = height + "px";
        document.getElementById('ttimg').style.border = "solid 1px #000000";
        document.onmousemove = followmouse;
    }
}


function followmouse(e) {

    if (navigator.userAgent.toLowerCase().indexOf('opera') == -1 && navigator.userAgent.toLowerCase().indexOf('safari') == -1) {

        var xcoord = 20;
        var ycoord = 20;

        if (typeof e != "undefined") {
            xcoord += e.pageX;
            ycoord += e.pageY - 50;
        }
        else if (typeof window.event != "undefined") {
            xcoord += truebody().scrollLeft + event.clientX;
            ycoord += truebody().scrollTop + event.clientY - 50;
        }

        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 (xcoord + w + 3 > docwidth)
            xcoord = xcoord - w - (20 * 2);

        if (ycoord - truebody().scrollTop + h > truebody().clientHeight)
            ycoord = ycoord - 100;

        gettrailobj().left = xcoord + "px";
        gettrailobj().top = ycoord + "px";

        status = ycoord;

    }

}