var itemWidth = 250;
var offsetfrommouse=[-300,15]; //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 = 70;        // maximum image size.
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, height, newItemWidth) {
        if( newItemWidth != false ) {
                itemWidth = newItemWidth;
        }
        if (height > 0){
                currentimageheight = height;
        }
        document.onmousemove=followmouse;
        cameraHTML = '';
        newHTML = '<div>';
        newHTML = newHTML + '<span>' + title + '</span><div class="borderbot"></div>';
        if (showthumb > 0){
                newHTML = newHTML + '<div style="border: 1px solid #999999;" align="center"><img src="' + imagename + '" border="0" style="display:block;"></div>';
        }
        newHTML = newHTML + '</div>';
        gettrailobjnostyle().innerHTML = newHTML;
        gettrailobj().visibility="visible";
        gettrailobj().position="absolute";
}
function showhtml(newHtml,height) {
        document.onmousemove=followmouse;
        newHtml = '<div style="border: 1px solid #000000;background-color:#FFFFFF;padding:5px" align="left">' + newHtml + '<div>';
        gettrailobjnostyle().innerHTML = newHtml;
        gettrailobj().visibility="visible";
}
function hidetrail(){
        gettrailobj().visibility="hidden"
        document.onmousemove=""
        gettrailobj().left="-500px"
}
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(document.body.offsetHeight, window.innerHeight)
        if (typeof e != "undefined"){
                if (docwidth - e.pageX < itemWidth + 50){
                        if (noPicture == "yes") {
                                xcoord = e.pageX - xcoord - itemWidth; // Move to the left side of the cursor
                        } else {
                                xcoord = e.pageX - xcoord - itemWidth; // Move to the left side of the cursor
                        }
                } else {
                        xcoord += e.pageX;
                }
                if ((docheight - e.pageY) < (currentimageheight + 110)){
                        ycoord += e.pageY - Math.max(0,(110 + currentimageheight + e.pageY - docheight - truebody().scrollTop));
                } else {
                        ycoord += e.pageY;
                }
        } else if (typeof window.event != "undefined"){
                if (docwidth - event.clientX < itemWidth + 50){
                        if (noPicture == "yes") {
                                xcoord = event.clientX + truebody().scrollLeft - xcoord - itemWidth; // Move to the left side of the cursor
                        } else {
                                xcoord = event.clientX + truebody().scrollLeft - xcoord - itemWidth; // Move to the left side of the cursor
                        }
                } else {
                        xcoord += truebody().scrollLeft+event.clientX
                }
                if (docheight - event.clientY < (currentimageheight + 110)){
                        ycoord += event.clientY + truebody().scrollTop - Math.max(0,(110 + currentimageheight + 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"
}