/*
Simple Image Trail script- By JavaScriptKit.com
Visit http://www.javascriptkit.com for this script and more
This notice must stay intact
*/

var offsetfrommouse=[115,115]; //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,filetype, width) {

   if (height > 0) {
        currentimageheight = height;
   }
      if ( height > 100 ) {
   	var offsetbasedonheight = ((height / 3) * -1);
   	offsetfrommouse=[15, offsetbasedonheight];
      }

      document.onmousemove=followmouse;

      newHTML = '<div style="padding: 15px; background-color: clear; border: 5px solid #999;">';

    if (showthumb > 0){
      newHTML = newHTML + '<div align="left">';
      newHTML = newHTML + '<img src="' + imagename + '" border="0" width="'+width+'"></div>';
    }

      newHTML = newHTML + '</div>';
       gettrailobjnostyle().innerHTML = newHTML;
       gettrailobj().display="inline";
}

function hidetrail(){
    gettrailobj().innerHTML = " ";
    gettrailobj().display="none"
    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 < 380) {
             xcoord = e.pageX - xcoord - 400; // 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 < 380) {
             xcoord = event.clientX + truebody().scrollLeft - xcoord - 400; // 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; }
     gettrailobj().left=xcoord+"px"
     gettrailobj().top=ycoord+"px"
}

