function submitForm()
	{ 
		var req = null; 
 
		if (window.XMLHttpRequest)
		{
 			req = new XMLHttpRequest();
			if (req.overrideMimeType) 
			{
				req.overrideMimeType('text/xml');
			}
		} 
		else if (window.ActiveXObject) 
		{
			try {
				req = new ActiveXObject("Msxml2.XMLHTTP");
			} catch (e)
			{
				try {
					req = new ActiveXObject("Microsoft.XMLHTTP");
				} catch (e) {}
			}
	        	}



		req.onreadystatechange = function()
		{ 
			document.getElementById("contenu").innerHTML = "En attente du serveur...";
			if(req.readyState == 4)
			{
				if(req.status == 200)
				{
					document.getElementById("contenu").innerHTML  = "Chargement complet:" + req.responseText;	
				}	
				else	
				{
					document.getElementById("contenu").innerHTML="Error: returned status code " + req.status + " " + req.statusText;
				}	
			} 
		}; 
		req.open("GET", "http://www.r-a-c-e.info/news/parse.paca.php", true); 
		req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); 
		req.send(null); 
	}
	
function panel3() {
var objet = document.getElementById ("contenu");
var objet1 = document.getElementById ("panel3top");
var objet2 = document.getElementById ("panel1");
var objet3 = document.getElementById ("panel2top");
objet.style.top= -0 + "px";
objet1.className = "on";
objet2.className = "off";
objet3.className = "off";
objet1.style.visibility = 'visible';
objet3.style.visibility = 'visible';
opacity('contenu', 20, 100, 1000);
}
function panel2() {
var objet = document.getElementById ("contenu");
var objet1 = document.getElementById ("panel2top");
var objet2 = document.getElementById ("panel1");
var objet3 = document.getElementById ("panel3");
objet.style.top= -31 + "px";
objet1.className = "on";
objet2.className = "off";
objet3.className = "off";
objet1.style.visibility = 'visible';
objet3.style.visibility = 'visible';
opacity('contenu', 20, 100, 1000);
}
function panel1() {
var objet = document.getElementById ("contenu");
var objet1 = document.getElementById ("panel1");
var objet2 = document.getElementById ("panel2");
var objet3 = document.getElementById ("panel3");
var objet4 = document.getElementById ("panel2top");
var objet5 = document.getElementById ("panel3top")
objet.style.top= -65 + "px";
objet1.className = "on";
objet2.className = "off";
objet3.className = "off";
objet4.className = "on";
objet4.style.visibility = 'hidden';
objet5.style.visibility = 'hidden';
opacity('contenu', 20, 100, 1000);


}
function panel2top() {
var objet = document.getElementById ("contenu");
var objet2 = document.getElementById ("panel2top");
var objet3 = document.getElementById ("panel1");
objet.style.top= -31 + "px";
objet2.className = "on";
objet3.className = "off";
opacity('contenu', 20, 100, 1000);
}
function panel3top() {
var objet = document.getElementById ("contenu");
var objet3 = document.getElementById ("panel3top");
objet.style.top= -0 + "px";
objet3.className = "on";
opacity('contenu', 20, 100, 1000);
}

function opacity(id, opacStart, opacEnd, millisec) {
	//speed for each frame
	var speed = Math.round(millisec / 100);
	var timer = 0;

	//determine the direction for the blending, if start and end are the same nothing happens
	if(opacStart > opacEnd) {
		for(i = opacStart; i >= opacEnd; i--) {
			setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
			timer++;
		}
	} else if(opacStart < opacEnd) {
		for(i = opacStart; i <= opacEnd; i++)
			{
			setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
			timer++;
		}
	}
}

//change the opacity for different browsers
function changeOpac(opacity, id) {
	var object = document.getElementById(id).style; 
	object.opacity = (opacity / 100);
	object.MozOpacity = (opacity / 100);
	object.KhtmlOpacity = (opacity / 100);
	object.filter = "alpha(opacity=" + opacity + ")";
}

function shiftOpacity(id, millisec) {
	//if an element is invisible, make it visible, else make it invisible
	if(document.getElementById(id).style.opacity == 0) {
		opacity(id, 0, 100, millisec);
	} else {
		opacity(id, 100, 0, millisec);
	}
}

function blendimage(divid, imageid, imagefile, millisec) {
	var speed = Math.round(millisec / 100);
	var timer = 0;
	
	//set the current image as background
	document.getElementById(divid).style.backgroundImage = "url(" + document.getElementById(imageid).src + ")";
	
	//make image transparent
	changeOpac(0, imageid);
	
	//make new image
	document.getElementById(imageid).src = imagefile;

	//fade in image
	for(i = 0; i <= 100; i++) {
		setTimeout("changeOpac(" + i + ",'" + imageid + "')",(timer * speed));
		timer++;
	}
}

function currentOpac(id, opacEnd, millisec) {
	//standard opacity is 100
	var currentOpac = 100;
	
	//if the element has an opacity set, get it
	if(document.getElementById(id).style.opacity < 100) {
		currentOpac = document.getElementById(id).style.opacity * 100;
	}

	//call for the function that changes the opacity
	opacity(id, currentOpac, opacEnd, millisec)
}