var mouse_x;
var mouse_y;
var window_mouse_x;
var window_mouse_y;
var window_move=false;
var window_id='';
var window_zindex=10;

function mouseposition(e)
{
	mouse_x = pointeurX(e);//(navigator.appName.substring(0,3) == "Net") ? e.pageX : event.x+document.body.scrollLeft;
	mouse_y = pointeurY(e);//(navigator.appName.substring(0,3) == "Net") ? e.pageY : event.y+document.body.scrollTop;
}

function pointeurX(e) {
  if (window.event)
    return (window.event.clientX);
  else
    return(e.pageX);
} // fin pointeurX(e)

// retourne la position verticale sur la page du pointeur de la souris
function pointeurY(e) {
  if (window.event)
    return (window.event.clientY);
  else
    return(e.pageY);
} // fin pointeurY(e)




if (document.layers) {
	if(window.Event)
	{
		document.captureEvents(Event.MOUSEMOVE);
	}
}

function setActiveStyleSheet(title) {
var i, a, main; for(i=0; (a = document.getElementsByTagName("link")[i]); i++) { if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) { a.disabled = true; if(a.getAttribute("title") == title) a.disabled = false; } } 
}

document.onmousemove = mouseposition;

function move_window(tmp_window_id)
{
	if(window_move==false)
	{
		window_id=tmp_window_id;
		//alert(window_id);
		window_mouse_y=mouse_y-document.getElementById(window_id).offsetTop;
		window_mouse_x=mouse_x-document.getElementById(window_id).offsetLeft;
		window_move=true;
		document.getElementById(window_id).style.zIndex=window_zindex;
		window_zindex++;
		
		document.onmousedown=return_false;
		document.onclick=return_true;
		document.onmouseup=drop_window;
		if(typeof document.onselectstart!="undefined")
		{
			document.onselectstart=return_false;
		}
		drag_window();
	}
}

function return_false()
{
	return false;
}

function return_true()
{
	return true;
}

function drag_window()
{
	if(window_move)
	{
		new_y=mouse_y-window_mouse_y;
		new_x=mouse_x-window_mouse_x;
		document.getElementById(window_id).style.top=new_y + 'px';
		document.getElementById(window_id).style.left=new_x + 'px';
		setTimeout('drag_window()', 2);
	}
}

function drop_window()
{
	document.onmousedown=return_true;
	window_move=false;
	if(typeof document.onselectstart!="undefined")
	{
		document.onselectstart=return_true;
	}
	document.onmouseup=return_true;
}

function window_on_top(tmp_window_id)
{
	//if(window_id!=tmp_window_id)
	//{
		window_id=tmp_window_id;
		document.getElementById(window_id).style.zIndex=window_zindex;
		window_zindex++;
	//}
}

//
//		INITIALISER AJAX
//

var xhr = null; 

function dev__init_ajax(){
	if(window.XMLHttpRequest) // Firefox et autres
		xhr = new XMLHttpRequest(); 
	else if(window.ActiveXObject){ // Internet Explorer 
		try {
				xhr = new ActiveXObject("Msxml2.XMLHTTP");
			} catch (e) {
				xhr = new ActiveXObject("Microsoft.XMLHTTP");
			}
	}
	else {
		alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest..."); 
		xhr = false;
	}
}

//
//		TELECARGER CONTENUS POUR UN ELEMENT
//

function dev__download(element_qui_change, url)
{	
	dev__init_ajax();
	xhr.onreadystatechange = function()
	{
		if (navigator.appName!="Microsoft Internet Explorer")
		{
			if (xhr.readyState == 3)  // accessible en partie
			{
				//var tailletelechargee = Math.round(xhr.responseText.length / 1024 *10)/10; //en ko
			}
		}
		if(xhr.readyState == 4 && xhr.status == 200)
		{
			if(element_qui_change!='')
			{
				document.getElementById(element_qui_change).innerHTML = xhr.responseText;
			}
		}
	}
	xhr.open("GET",url,true);
	xhr.send(null);
}