//***************************************************************************************************************
//LIENS EXTERNES

//***************************************************************************************************************
function open_ext_link()
{
	var liens = document.getElementsByTagName('a');
	// On récupère tous les liens (<a>) du document dans une variable (un array), ici liens.
	// Une boucle qui parcourt le tableau (array) liens du début à la fin.
	for (var i = 0 ; i < liens.length ; ++i)  {
		// Si les liens ont un nom de class égal à lien_ext, alors on agit.
		if (liens[i].className == 'lien_ext')  {
			//liens[i].title = titre;
			// Au clique de la souris.
			liens[i].onclick = function()  {
				window.open(this.href);
				return false; // On ouvre une nouvelle page ayant pour URL le href du lien cliqué et on inhibe le lien réel.
			};
		}
	}
}


function affichage_popup(nom_de_la_page, nom_interne_de_la_fenetre)
{
	window.open (nom_de_la_page, nom_interne_de_la_fenetre, config='height=500, width=500, toolbar=no, menubar=no, scrollbars=no, resizable=no, location=no, directories=no, status=no')
}



//***************************************************************************************************************
//GESTION DES BULLES D'AIDES

//***************************************************************************************************************
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="aide">');
	document.write('</div>');
}

function gettrailobj()
{
	if (document.getElementById)
		return document.getElementById("aide").style;
	else if (document.all)
		return document.all.trailimagid.style;
}

function gettrailobjnostyle()
{
	if (document.getElementById)
		return document.getElementById("aide");
	else if (document.all)
		return document.all.trailimagid;
}


function truebody()
{
	return (!window.opera && document.compatMode && document.compatMode!="BackCompat") ? document.documentElement : document.body
}
/*
imagename=l'image
title=titre de l'image
description=description
*/
function showtrail(imagename,title,description,height,style)
{
	if (height > 0)
	{
		currentimageheight = height;
	}

	document.onmousemove=followmouse;
	
	newHTML = '<div style="display:block;' + style + '">';
	newHTML = newHTML  + title ;
	//newHTML = newHTML + 'Rating: ' + cameraHTML + '<br/>';
	newHTML = newHTML + description.replace(/\[[^\]]*\]/g, '');

	newHTML = newHTML + '<div align="center">';
	newHTML = newHTML  + imagename + '</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;
		}
	}

	if(ycoord < 0) { ycoord = ycoord*-1; }
	gettrailobj().left=xcoord+"px"
	gettrailobj().top=ycoord+"px"

}

function followmouseBatch(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)

	var trailInnerDiv = $('trailInnerDiv');
	var currentimageheight = trailInnerDiv.offsetHeight;
	var currentimagewidth = trailInnerDiv.offsetWidth;

	scrollPos = Position.realOffset(truebody());
	
	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 ((e.pageY - scrollPos[1]) + currentimageheight > docheight){
			ycoord = -ycoord + (e.pageY - currentimageheight);
		} else {
			ycoord += e.pageY;
		}
	} else if (typeof window.event != "undefined"){
		if (event.clientX + currentimagewidth > docwidth){
			xcoord = -xcoord + ((event.clientX + scrollPos[0]) - currentimagewidth); // Move to the left side of the cursor
		} else {
			xcoord += (event.clientX + scrollPos[0]);
		}
		if (event.clientY + currentimageheight > docheight){
			ycoord = -ycoord + ((event.clientY + scrollPos[1]) - currentimageheight);
		} else {
			ycoord += (event.clientY + scrollPos[1]);
		}
	}

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

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

}

//***************************************************************************************************************