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

var offsetfrommouse=[15,15]; //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 = 270;	// maximum image size.

if (document.getElementById || document.all){
     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,ratingaverage,ratingnumber,showthumb,height){
function showtrail(imagename, height){

     if (height > 0){
          currentimageheight = height;
     }

     document.onmousemove=followmouse;

     newHTML = '<div style="padding: 2px; background-color: #FFF; border: 1px solid #888;">';
     newHTML = newHTML + '<div align="center" style="padding: 2px 2px 2px 2px;"><img src="' + imagename + '" border="0"></div>';
     newHTML = 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(window.innerHeight)

     //if (document.all){
     //	gettrailobjnostyle().innerHTML = 'A = ' + truebody().scrollHeight + '<br>B = ' + truebody().clientHeight;
     //} else {
     //	gettrailobjnostyle().innerHTML = 'C = ' + document.body.offsetHeight + '<br>D = ' + window.innerHeight;
     //}

     if (typeof e != "undefined"){
          if (docwidth - e.pageX < 300){
               xcoord = e.pageX - xcoord - 286; // 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 < 300){
               xcoord = event.clientX + truebody().scrollLeft - xcoord - 125; // 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)
     if(ycoord < 0) { ycoord = ycoord*-1; }
     //alert(xcoord + " " + ycoord);
     gettrailobj().left=xcoord+"px"
     gettrailobj().top=ycoord+"px"

}