var isDragging = false;
var objectToDrag;
var obj;
var ecartX;
var ecartY;
var curX;
var curY;

function positionne(p_id, p_posX, p_pos_Y){
	document.getElementById(p_id).style.left = p_posX;
	document.getElementById(p_id).style.top = p_pos_Y;
}


function getPositionCurseur(e){
	//ie
	if(document.all){
		curX = event.clientX;
		curY = event.clientY;
	}
	
	//netscape 4
	if(document.layers){
		curX = e.pageX;
		curY = e.pageY;
	}
	
	//mozilla
	if(document.getElementById){
		curX = e.clientX;
		curY = e.clientY;
	}
}

function beginDrag(p_obj,e){
	isDragging = true;
	objectToDrag = p_obj;
	getPositionCurseur(e);
	ecartX = curX - parseInt(objectToDrag.style.left);
	ecartY = curY - parseInt(objectToDrag.style.top);
}

function drag(e){
	var newPosX;
	var newPosY;
	if(isDragging == true){
		
		getPositionCurseur(e);
		newPosX = curX - ecartX;
		newPosY = curY - ecartY;

		objectToDrag.style.left = newPosX + 'px';
		objectToDrag.style.top = newPosY + 'px';
		
	}
	
}

function SetCookie (name, value){
	//creation du cookie de nom name et de valeur saisie en paramètre
	document.cookie = name +"=" + value + ";" ;
}

function getCookieVal(offset) {
	var endstr=document.cookie.indexOf (";", offset);
	if (endstr==-1) endstr=document.cookie.length;
	return unescape(document.cookie.substring(offset, endstr));
}

function LireCookie(nom){
	var arg=nom+"=";
	var alen=arg.length;
	var clen=document.cookie.length;
	var i=0;
	while (i<clen){
		var j=i+alen;
		if (document.cookie.substring(i, j)==arg) return getCookieVal(j);
		i=document.cookie.indexOf(" ",i)+1;
		if (i==0) break;
	
	}
	return null;
}



function endDrag(){
	var xpos = objectToDrag.style.left;
	var ypos = objectToDrag.style.top;
	
	isDragging = false;
	
	SetCookie ("xpos", xpos);
	SetCookie ("ypos", ypos);
	
}



function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}




function getCookieVal(offset) {
	var endstr=document.cookie.indexOf (";", offset);
	if (endstr==-1)
      		endstr=document.cookie.length;
	return unescape(document.cookie.substring(offset, endstr));
}

function GetCookie (name) {
	var arg=name+"=";
	var alen=arg.length;
	var clen=document.cookie.length;
	var i=0;
	while (i<clen) {
		var j=i+alen;
		if (document.cookie.substring(i, j)==arg)
                        return getCookieVal (j);
                i=document.cookie.indexOf(" ",i)+1;
                        if (i==0) break;}
	return null;
}

function SetCookie (name, value) {
	var argv=SetCookie.arguments;
	var argc=SetCookie.arguments.length;
	document.cookie=name+"="+escape(value);
}


function tip_ouvre(id,e) {
	var d = document.getElementById(id);
	d.style.display = "block";
	getPositionCurseur(e);
	document.getElementById(id).style.left = curX;
	document.getElementById(id).style.top = curY;
	d.style.display.left = curX;
	d.style.display.top = curY;
	
}
function tip_ferme(id) {
	var d = document.getElementById(id);
	d.style.display = "none";
	
	
}

function deroule(id) {;
	var ob = document.getElementById(id);
	var disp = GetCookie(id);
	if(disp==undefined){
disp = "none";
}
	ob.style.display = disp;
}