/*------------------------------------------------------*
	  *-------FONCTIONS JAVASCRIPT    ----*
	  *------------------------------------------------------*/


	/*1 Pop Up centrée début (utilisée pour infos légales et pages plans) */

	function popup(page,largeur,hauteur,options)
	{
		var top=(screen.height-hauteur)/2;
		var left=(screen.width-largeur)/2;
		window.open(page,"","top="+top+",left="+left+",width="+largeur+",height="+hauteur+","+options);
	}
	
	/*1 Pop Up centrée FIN  */
	
	/*----------------------------------------------------*/
	
	function MM_preloadImages() { //v3.0
	  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
	    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
	    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
	}
	
	function MM_swapImgRestore() { //v3.0
	  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
	}
	
	function MM_findObj(n, d) { //v4.01
	  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
	    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
	  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
	  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
	  if(!x && d.getElementById) x=d.getElementById(n); return x;
	}
	
	function MM_swapImage() { //v3.0
	  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
	   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
	}
	

	// ******************************************************************************************************* //
	// **																									** //
	// **									    MISE EN OEUVRE D'AJAX										** //
	// **																									** //
	// ******************************************************************************************************* //

    function getXMLHttpRequest()
    {
     	if (window.XMLHttpRequest)
     	{
	    	var xmlHttpReq = new XMLHttpRequest();
	    	// évite un bug du navigateur Safari
	    	if (xmlHttpReq .overrideMimeType)
	    	{
	     		xmlHttpReq.overrideMimeType("text/xml");
	    	}
	    	return xmlHttpReq;
     	}
     	else if (window.ActiveXObject)
     	{
	    	try
	   	 	{
	     		return new ActiveXObject("Msxlk2.XMLHTTP");
	    	}
	    	catch (err) {}
	    	try
	    	{
	     		return new ActiveXObject("Microsoft.XMLHTTP");
	    	}
	    	catch (err) {}
     	}
     	throw new Error("Impossible de créer l'objet" + "XMLHttpRequest pour le navigateur");
   	 }
   	 

    function enregistre()
    {
		var email = document.getElementById("news");

		var transport = getXMLHttpRequest();
		transport.onreadystatechange = function() {
	    	if(transport.readyState == 4) 			
	    	{	    		
				var message = transport.responseText;
				var mondiv = document.getElementById('champs_message');
				var monspan = document.getElementById('monmessage');
				mondiv.style.display = 'block';
				monspan.innerHTML = message;
	   	 	}
		}

		var parametres = "email="+escape(email.value)+"&ajax=ok";
		transport.open ("post", "inscription.php", true);
		transport.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=iso-8859-1");
		transport.send(parametres);
		return true;
    }