/*
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,height){
  if (height > 0){
    currentimageheight = height;
  }
  
  document.onmousemove=followmouse;

//  newHTML = '<table bgcolor="#000000" cellpadding="5" border="1"><TR><TD align="center">';
//  newHTML = newHTML + '<font color="white" size="2">' + description + '</font><br/>';
//  newHTML = newHTML + '<img src="imgs/spacer.gif" width="270" height="7" border="0"><br/>';
//  newHTML = newHTML + '<img src="' + imagename + '" border="0"><br/></td></tr></table>';


  newHTML = '<div align="center" style="width: 330px; padding: 1px; background-color: #000000; border: 2px solid #444;">';
  //newHTML = newHTML + '<h2>' + title + '</h2>';
  newHTML = newHTML + '<br/><font style="font-size: 9pt;">' + description + '</font><br/><br/>';

  newHTML = newHTML + '<img src="' + imagename + '" border="0" vspace="2" hspace="2">';

  newHTML = newHTML + '</div>';

  gettrailobjnostyle().innerHTML = newHTML;
  gettrailobj().display="inline";
  return 0;
}


function hidetrail(){
  gettrailobj().innerHTML = " ";
  gettrailobj().display="none"
  document.onmousemove=""
  gettrailobj().left="-500px"

}

function followmouse(e){
  var xcoord=offsetfrommouse[0]
  var ycoord=offsetfrommouse[1]
  var AddtoYcoord = 140;
  var AddtoXcoord = 400;
  var XBound = 405;

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

  } else if (typeof window.event != "undefined"){
    if (docwidth - event.clientX < XBound){
      xcoord = event.clientX + truebody().scrollLeft - xcoord - AddtoXcoord; // Move to the left side of the cursor
    } else {
      xcoord += truebody().scrollLeft+event.clientX
    }
    if (docheight - event.clientY < (currentimageheight + AddtoYcoord)){
      ycoord += event.clientY + truebody().scrollTop - Math.max(0,(AddtoYcoord + 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; }
  gettrailobj().left=xcoord+"px"
  gettrailobj().top=ycoord+"px"

}


function delay_showtrail(delay,imagename,title,description,height){
  // if 0 delay is passed, set a default
  //if (delay == 0) delay = 200;

  string1 = "showtrail('" + imagename + "','" + title + "','" + description + "'," + height + ");";

  setTimeout(string1,delay);
}