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

var SIDE_TOP = 1;
var SIDE_BOTTOM = 2;
var SIDE_LEFT = 4;
var SIDE_RIGHT = 8;
var QUADRANT_TOP_LEFT = SIDE_TOP | SIDE_LEFT;
var QUADRANT_TOP_RIGHT = SIDE_TOP | SIDE_RIGHT;
var QUADRANT_BOTTOM_LEFT = SIDE_BOTTOM | SIDE_LEFT;
var QUADRANT_BOTTOM_RIGHT = SIDE_BOTTOM | SIDE_RIGHT;

function whichQuadrant(pageX, pageY, pointX, pointY){
	var quadrant = 0;
	var halfX = pageX/2;
	var halfY = pageY/2;
	if ( pointX < halfX ){
		quadrant |= SIDE_LEFT;
	} else {
		quadrant |= SIDE_RIGHT;
	}
	if ( pointY < halfY ){
		quadrant |= SIDE_TOP;
	} else {
		quadrant |= SIDE_BOTTOM;
	}
	return quadrant;
}

function getDocWidth(){
	return (document.all? getTrueBody().scrollLeft+getTrueBody().clientWidth : pageXOffset+window.innerWidth-15);
}

function getDocHeight(){
	return (document.all? Math.min(getTrueBody().scrollHeight, getTrueBody().clientHeight) : Math.min(window.innerHeight));
}

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

function debugOnClickEventHandler(e){
	s = typeof e + ":\n";
	s += 'type = ' + e.type + "\n";
	s += 'target = ' + e.target + "\n";
	s += 'layerX = ' + e.layerX + "\n";
	s += 'layerY = ' + e.layerY + "\n";
	s += 'pageX = ' + e.pageX + "\n";
	s += 'pageY = ' + e.pageY + "\n";
	s += 'screenX = ' + e.screenX + "\n";
	s += 'screenY = ' + e.screenY + "\n";
	s += 'which = ' + e.which + "\n";
	s += 'modifiers = ' + e.modifiers + "\n";
	alert(s);
}

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 = 260;	// maximum image height.

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, ref, title, description, promoprice, realprice, conditionnement, height) {
	if (height > 0){
		currentimageheight = height;
	}

	document.onmousemove=followmouse;

	newHTML = '<div class="item-trailer-block">';
	newHTML = newHTML + '<div align="center" class="trail-image">';
	newHTML = newHTML + '<img src="' + imagename + '" border="0" /></div>';
	newHTML = newHTML + '<div class="trailer-text-content"><div class="item-description">' + ref + '<br/>' + title + '<br />' + description.replace(/\[[^\]]*\]/g, '') + '</div>';
	newHTML = newHTML + '<div class="trailer-price"><span class="item-promo-price">' + promoprice + '</span><span class="item-price">' + realprice + '</span><span class="item-conditionnement">' + conditionnement + '</span></div></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 (typeof e != "undefined"){
		if (docwidth - e.pageX < 300){
			xcoord = e.pageX - xcoord - 310;
		} else {
			xcoord += e.pageX;
		}
		if (docheight - e.pageY < (currentimageheight + 110)){
		
			if ( document.body ){
				scrollTop = Math.max(truebody().scrollTop, document.body.scrollTop);
			} else {
				scrollTop = truebody().scrollTop;
			}
			ycoord += e.pageY - Math.max(0,(110 + currentimageheight + e.pageY - docheight - scrollTop));
		} else {
			ycoord += e.pageY;
		}
	} else if (typeof window.event != "undefined"){
		if (docwidth - event.clientX < 380){
			xcoord = event.clientX + truebody().scrollLeft - xcoord - 400;
		} 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(ycoord < 0) { ycoord = ycoord*-1; }

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