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

//Detect IE
var stIsIE = /*@cc_on!@*/false;
//detect opera
var isOpera =
	window.opera?1:0;
// Detect Webkit browsers
var isWebKit =
  navigator.userAgent.indexOf("AppleWebKit") > -1;

var offsetfrommouse=[30,30]; //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 = 500; // maximum image size.

if (document.getElementById || document.all){
	document.write('<div id="t0-iteminfo-preview">');
	document.write('</div>');
}

function gettrailobj(){
	if (document.getElementById)
		return document.getElementById("t0-iteminfo-preview").style
	else if (document.all)
		return document.all.trailimagid.style
}

function gettrailobjnostyle(){
	if (document.getElementById)
		return document.getElementById("t0-iteminfo-preview")
	else if (document.all)
		return document.all.trailimagid
}


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

function showtrail(imagename,title,description,showthumb,height){
	if (height > 0){
	currentimageheight = height;
	}
	
	document.onmousemove=followmouse;
	
	newHTML = '<div style="padding: 5px; background-color: #FFFFFF; border: 1px solid #888888;">';
	//newHTML = newHTML + '<h2>' + title + '</h2>';
	//NewHTML = newHTML + '<h3>' + description + '</h3>';
	
	if (showthumb > 0){
	newHTML = newHTML + '<div align="center" style="padding: 8px 2px 2px 2px;">';
	newHTML = newHTML + '<img src="' + imagename + '" border="0"></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]

if (stIsIE){
  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);
}
else
{
  var docwidth=pageXOffset+window.innerWidth-15;
  var docheight=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 < 200){
			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 < 200){
			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;
		}
	}
	
if (stIsIE){
  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);
}else{
  var docwidth=pageXOffset+window.innerWidth-15;
  var docheight=Math.max(document.body.offsetHeight, window.innerHeight);
}

	if(ycoord < 0) {
		ycoord = ycoord*-1;
	}

	gettrailobj().left=xcoord+"px"
	gettrailobj().top=(ycoord + 250) +"px"
}

function isInteger (s)
{
  var i;

  if (isEmpty(s))
  if (isInteger.arguments.length == 1) return 0;
  else return (isInteger.arguments[1] == true);

  for (i = 0; i < s.length; i++)
  {
     var c = s.charAt(i);

     if (!isDigit(c)) return false;
  }

  return true;
}

function isEmpty(s)
{
  return ((s == null) || (s.length == 0))
}

function isDigit (c)
{
  return ((c >= "0") && (c <= "9"))
}

function submitenter(myfield,e)
{
var keycode;
if (window.event) keycode = window.event.keyCode;
else if (e) keycode = e.which;
else return true;

if (keycode == 13)
   {
   myfield.form.submit();
   return false;
   }
else
   return true;
}