function show_menu(id) 
	{
	var d = document.getElementById('smenu'+id);
	var dd = document.getElementById('navsub'+id);
		for (var i = 1; i<10; i++) 
			{
			if (document.getElementById('smenu'+i)) 
				{document.getElementById('smenu'+i).style.display='none';}
			if (document.getElementById('navsub'+i)) 
				{document.getElementById('navsub'+i).style.backgroundImage = 'url(images/sitbus_nav_sub'+i+'a.jpg)';}
	
			}
		if (d) 
			{d.style.display='block';}
		if (dd) 
			{
				
			dd.style.backgroundImage = 'url(images/sitbus_nav_sub'+id+'b.jpg)';
			}
	}




	window.onload=function()
	{
	//show_menu(0);// add more functions as needed
	//initTarifs();// add more functions as needed
	}

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 ImgRestore(doc) { //v3.0
			var titreList = doc.getElementsByTagName("img");
			titreList[0].width="135";
			titreList[0].height="80";
			titreList[0].style.margin="0px 0 0 0px";
}

function swapImage(doc) { //v3.0
			var titreList = doc.getElementsByTagName("img");
			titreList[0].width="145";
			titreList[0].height="86";
			titreList[0].style.margin="0px 0 0 -5px";
}

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];}
}


function gradient(id, level)
{
	var box = document.getElementById(id);
	box.style.opacity = level;
	box.style.MozOpacity = level;
	box.style.KhtmlOpacity = level;
	box.style.filter = "alpha(opacity=" + level * 100 + ")";
	box.style.display="block";
	return;
}


function fadein(id) 
{
	var level = 0;
	while(level <= 1)
	{
		setTimeout( "gradient('" + id + "'," + level + ")", (level* 1000) + 10);
		level += 0.01;
	}
}



function openbox(formtitle, fadin,idbox)
{
  var box = document.getElementById('box'+idbox); 
  document.getElementById('filter').style.display='block';

  var btitle = document.getElementById('boxtitle');
  btitle.innerHTML = formtitle;
  
  if(fadin)
  {
	 gradient("box"+idbox, 0);
	 fadein("box"+idbox);
  }
  else
  { 	
    box.style.display='block';
  }  	
}


// Close the lightbox

function closebox(idbox)
{
   document.getElementById('box'+idbox).style.display='none';
   document.getElementById('filter').style.display='none';
}


/*exemple ajax*/
function req_actu(id)
	{
/*@cc_on @*/

	var xhr_object = null;
	
	if(window.XMLHttpRequest) // Firefox
		xhr_object = new XMLHttpRequest();
	else if(window.ActiveXObject) // Internet Explorer
   		xhr_object = new ActiveXObject("Microsoft.XMLHTTP");
	else
		{ // XMLHttpRequest non supporté par le navigateur
   		alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest...");
   		return;
		}
	xhr_object.open("POST", "cg_actu.php", true);
	
	xhr_object.onreadystatechange = function()
		{
		if(xhr_object.readyState == 4)
	       eval(xhr_object.responseText);
		}

	xhr_object.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	var data = "family="+id;
   	xhr_object.send(data);
	}

function req_form(f)
	{
/*@cc_on @*/
	erreur=verif(f);

if (erreur=="")
	{
	var xhr_object = null;
	
	if(window.XMLHttpRequest) // Firefox
		xhr_object = new XMLHttpRequest();
	else if(window.ActiveXObject) // Internet Explorer
   		xhr_object = new ActiveXObject("Microsoft.XMLHTTP");
	else
		{ // XMLHttpRequest non supporté par le navigateur
   		alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest...");
   		return;
		}
	xhr_object.open("POST", "inc_alertes.php", true);
	
	xhr_object.onreadystatechange = function()
		{
		if(xhr_object.readyState == 4)
			{
	       eval(xhr_object.responseText);
			}
		}

	interet="";
	   if (f.elements["q5r1"].checked == true)
			interet+="automobiliste;";
	   if (f.elements["q5r2"].checked == true)
			interet+="usager des bus;";
	   if (f.elements["q5r3"].checked == true)
			interet+="usager des bus;";
	   if (f.elements["q5r4"].checked == true)
			interet+="habitant;";
	   if (f.elements["q5r5"].checked == true)
			interet+="entreprise;";
			
	info="";
	   if (f.elements["q6r1"].checked == true)
			info+="trafic;";
	   if (f.elements["q6r2"].checked == true)
			info+="commune;";
	   if (f.elements["q6r3"].checked == true)
			info+="deroulement;";

	ville="";
	for (var i=0; i<f.elements["q4r1"].length;i++) 
		{
		if (f.elements["q4r1"][i].checked) 
		 	{
             ville=f.elements["q4r1"][i].value;
	        }
		}
	xhr_object.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	var data = "nom="+f.elements["q1r1"].value+"&prenom="+f.elements["q2r1"].value+"&email="+f.elements["q3r1"].value+"&ville="+ville+"&interet="+interet+"&info="+info;
   	xhr_object.send(data);
    return false;

	}
else
	{
	alert(erreur);
	return false;
	}
}

function utf8_encode ( string ) {
    // http://kevin.vanzonneveld.net
    // +   original by: Webtoolkit.info (http://www.webtoolkit.info/)
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: sowberry
    // +    tweaked by: Jack
    // +   bugfixed by: Onno Marsman
    // +   improved by: Yves Sucaet
    // +   bugfixed by: Onno Marsman
    // *     example 1: utf8_encode('Kevin van Zonneveld');
    // *     returns 1: 'Kevin van Zonneveld'
 
    string = (string+'').replace(/\r\n/g, "\n").replace(/\r/g, "\n");
 
    var utftext = "";
    var start, end;
    var stringl = 0;
 
    start = end = 0;
    stringl = string.length;
    for (var n = 0; n < stringl; n++) {
        var c1 = string.charCodeAt(n);
        var enc = null;
 
        if (c1 < 128) {
            end++;
        } else if((c1 > 127) && (c1 < 2048)) {
            enc = String.fromCharCode((c1 >> 6) | 192) + String.fromCharCode((c1 & 63) | 128);
        } else {
            enc = String.fromCharCode((c1 >> 12) | 224) + String.fromCharCode(((c1 >> 6) & 63) | 128) + String.fromCharCode((c1 & 63) | 128);
        }
        if (enc != null) {
            if (end > start) {
                utftext += string.substring(start, end);
            }
            utftext += enc;
            start = end = n+1;
        }
    }
 
    if (end > start) {
        utftext += string.substring(start, string.length);
    }
 
    return utftext;
}
function verif(f)
	{
	erreur="";
	
	if	(f.elements["q1r1"].value=="")
		erreur="Les champs marqués par une * sont obligatoires"	
	if	(f.elements["q2r1"].value=="")
		erreur="Les champs marqués par une * sont obligatoires"	
	if	(f.elements["q3r1"].value=="")
		erreur="Les champs marqués par une * sont obligatoires"	
		
 	return erreur;
	}