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

var offsetfrommouse=[20,75]; //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 defaultimageheight = 300; // maximum image size.
var defaultimagewidth = 300;  // maximum image size.

var imageTimer;

var t_id = setInterval(animate,20);
var pos=0;
var dir=2;
var len=0;
var trailObjName = 'preview_div';

//Set this for the initial state
//document.onmousemove=followmouse; 

function animate()
{
var elem = document.getElementById('progress');
if(elem != null) {
if (pos==0) len += dir;
if (len>32 || pos>79) pos += dir;
if (pos>79) len -= dir;
if (pos>79 && len==0) pos=0;
elem.style.left = pos;
elem.style.width = len;
}
}

function remove_loading() {
this.clearInterval(t_id);
var targelem = document.getElementById('loader_container');
targelem.style.display='none';
targelem.style.visibility='hidden';
var t_id = setInterval(animate,60);
}

function gettrailobj(){
try {
  if (document.getElementById)
  return document.getElementById(trailObjName).style;
}
catch (e) { }
}

function gettrailobjnostyle(){
try {
  if (document.getElementById)
  return document.getElementById(trailObjName)
}
catch (e) { }
}


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


function hidetrail(){ 
  gettrailobj().display= "none";
  clearTimeout(imageTimer);
}

function showtrail(imagename,title,footer,width,height,imgWidth,imgHeight){
/*
  i = imagename;
  t = title;
  f = footer;
  w = width;
  h = height;
  iw = imgWidth;
  ih = imgHeight;
  
  imageTimer = setTimeout("show('"+i+"',t,f,w,h,iw,ih);",750);
*/  
}
function show(imagename,title,footer,width,height,imgWidth,imgHeight){
/* 
  var docwidth=document.all? truebody().scrollLeft+truebody().clientWidth : pageXOffset+window.innerWidth - offsetfrommouse[0]
  var docheight=document.all? Math.min(truebody().scrollHeight, truebody().clientHeight) : Math.min(window.innerHeight)
  var bottomOffest=30;
  var bottomPadding=0;
  
  if (navigator.appVersion.indexOf("MSIE") != -1 ){
    var bottomOffest=0;
    var bottomPadding=10;
  }   

  if( (navigator.userAgent.indexOf("Konqueror")==-1  || navigator.userAgent.indexOf("Firefox")!=-1 || (navigator.userAgent.indexOf("Opera")==-1 && navigator.appVersion.indexOf("MSIE")!=-1)) && (docwidth>650 && docheight>500)) {
    ( width == 0 ) ? width = defaultimagewidth: '';
    ( height == 0 ) ? height = defaultimageheight: '';
      
    width+=30;
    height+=55;
    defaultimageheight = height;
    defaultimagewidth = width;
    
    if (imgHeight == 400 && imgWidth == 275 ) {
    
      imgHeight = 300;
      imgWidth = 300;
      
      width=350;
      height=450;
    
    }
  
    document.onmousemove=followmouse; 
    
    newHTML = '<div class="flyout_border" style="width:'+  width +'px;height:'+ height +'px"><div id="loader_container"><div id="loader"><div align="center">Loading Image</div><div id="loader_bg"><div id="progress"> </div></div></div></div>';
    newHTML = newHTML + '<h2 class="flyout_title">' + ' '+title + '</h2>'
    
    newHTML = newHTML + '<div class="flyout_container" style="margin-left:5px;" ><div class="imagecontainer"><div class="image_flyout"><img onload="javascript:remove_loading();" src="' + imagename + '" border="0" height="' + imgHeight + 'px" width="' + imgWidth + 'px" ></div></div></div>';
    newHTML = newHTML + '<h2 class="flyout_footer">' + footer + '</h2></div>'; 
    
    if(navigator.userAgent.indexOf("MSIE")!=-1 && navigator.userAgent.indexOf("Opera")==-1 ){
      newHTML = newHTML+'<iframe src="about:blank" scrolling="no" frameborder="0" width="'+width+'" height="'+height+'"></iframe>';
    }   

    gettrailobjnostyle().innerHTML = newHTML;
    gettrailobj().display="block";
    
  }
*/  
}

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 (typeof e != "undefined"){
    if (docwidth - e.pageX < defaultimagewidth + 2*offsetfrommouse[0]){
      xcoord = e.pageX - xcoord - defaultimagewidth; // Move to the left side of the cursor
    } else {
      xcoord += e.pageX;
    }
    if (docheight - e.pageY < defaultimageheight + 2*offsetfrommouse[1]){
      ycoord += e.pageY - Math.max(0,(2*offsetfrommouse[1] + defaultimageheight + e.pageY - docheight - truebody().scrollTop));
    } else {
      ycoord += e.pageY;
    }

  } else if (typeof window.event != "undefined"){
    if (docwidth - event.clientX < defaultimagewidth + 2*offsetfrommouse[0]){
      xcoord = event.clientX + truebody().scrollLeft - xcoord - defaultimagewidth; // Move to the left side of the cursor
    } else {
      xcoord += truebody().scrollLeft+event.clientX
    }
    if (docheight - event.clientY < (defaultimageheight + 2*offsetfrommouse[1])){
      ycoord += event.clientY + truebody().scrollTop - Math.max(0,(2*offsetfrommouse[1] + defaultimageheight + event.clientY - docheight));
    } else {
      ycoord += truebody().scrollTop + event.clientY;
    }
  }
  gettrailobj().left=xcoord+"px"
  gettrailobj().top=ycoord+"px"
*/
}