//réinitialiser un bloc select ou un bloc text 
	function reset_select(id_div)
	{
		if (document.getElementById(id_div).getAttribute('type') == null)		
			document.getElementById(id_div).options[0].selected=true;
		else
			document.getElementById(id_div).value="";
			
		
	}
	
	function create_div_element(dest,div)
	{
		if (document.getElementById("element_"+dest))
		{
			//alert('non');
			document.getElementById("element_"+dest).innerHTML = '';
		}
		else
		{
			//alert('oui');
			var div = document.getElementById(div);
			var  div_temp= document.createElement('div');
					
			div_temp.id = "element_"+dest;
			div.appendChild(div_temp);
							
			tab_id = dest.split('-');
				
			show_php("ajax/survey_ajax.php?format6&id_survey="+tab_id[0]+"&id_question="+tab_id[1]+"&id_reponse="+tab_id[2]+"","element_"+dest);
			//document.getElementById("element_"+dest).innerHTML = "test element_"+dest;
		}
	//	alert(document.getElementById("element_"+dest).innerHTML);
	}

	//activer/désactiver radio/checkbox
	function disabled_or_not(name,action) {
		if (action == "disabled")
		{
			var tab = document.getElementsByName(name);
			for (i = 0; i<tab.length; ++i) 
			{
				if (tab[i].checked == false)
					tab[i].disabled = true;
			}
		}
		else  if (action == "enabled")
		{
			var tab = document.getElementsByName(name);
			for (i = 0; i<tab.length; ++i) 
			{
				// if (tab[i].checked == false)
				tab[i].disabled = false;
			}
		}
	}

	// JavaScript Document
	// fonction pour une page en GET 
	var Utf8 = {
		// public method for url encoding
		encode : function (string) {
			string = string.replace(/\r\n/g,"\n");
			var utftext = "";

			for (var n = 0; n < string.length; n++) {

				var c = string.charCodeAt(n);

				if (c < 128) {
					utftext += String.fromCharCode(c);
				}
				else if((c > 127) && (c < 2048)) {
					utftext += String.fromCharCode((c >> 6) | 192);
					utftext += String.fromCharCode((c & 63) | 128);
				}
				else {
					utftext += String.fromCharCode((c >> 12) | 224);
					utftext += String.fromCharCode(((c >> 6) & 63) | 128);
					utftext += String.fromCharCode((c & 63) | 128);
				}
			}
			return utftext;
		},

		// public method for url decoding
		decode : function (utftext) {
			var string = "";
			var i = 0;
			var c = c1 = c2 = 0;

			while ( i < utftext.length ) {
				c = utftext.charCodeAt(i);

				if (c < 128) {
					string += String.fromCharCode(c);
					i++;
				}
				else if((c > 191) && (c < 224)) {
					c2 = utftext.charCodeAt(i+1);
					string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
					i += 2;
				}
				else {
					c2 = utftext.charCodeAt(i+1);
					c3 = utftext.charCodeAt(i+2);
					string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
					i += 3;
				}	
			}
			return string;
		}
	}


	//afficher un page php dans un div
	function show_php(page,div)
	{
		var req = null;
		var ListeCar = new Array("a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z","0","1","2","3","4","5","6","7","8","9");
		if(page.indexOf("?") == -1)
			page += "?";
		page += "&";
		for(i = 0; i < 10; i++)
		{
			page += ListeCar[Math.floor(Math.random()*ListeCar.length)];
		}
		// debut connexion http		
		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){}
			}
		}
		// fin connexion http
		req.open("GET", page, true);
		req.send(null);  // on envoie rien du tout car c du GET
		document.getElementById(div).innerHTML = "<br><center>Chargement des données en cours...</center><br>";
		req.onreadystatechange = function()
		{
			
		
			if(req.readyState == 4)
			{
				// si le status est OK
				if(req.status == 200)
				{
					var texte = req.responseText;
					document.getElementById(div).innerHTML  = texte;
					var scripts=""; 	
					while(texte.indexOf('<script>')!==-1)
					{ 
						var provisoire = texte.substr(texte.indexOf('<script>')+8); 
						scripts += provisoire.substr(0,provisoire.indexOf('</script>')); 
						texte = texte.substr(0,texte.indexOf('<script>'))+texte.substr(texte.indexOf('</script>')+9);
					} 
					if (scripts != ""){
						window.eval(scripts);
					}
				}	
				else	
				{
					// on affiche un message d'erreur dans le div
					document.getElementById(div).innerHTML="Error: returned status code " + req.status + " " + req.statusText;
				}
			}
		}
		
	}
	
	function show_php_no_wait(page,div)
	{
		var req = null;
		var ListeCar = new Array("a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z","0","1","2","3","4","5","6","7","8","9");
		if(page.indexOf("?") == -1)
			page += "?";
		page += "&";
		for(i = 0; i < 10; i++)
		{
			page += ListeCar[Math.floor(Math.random()*ListeCar.length)];
		}
		// debut connexion http		
		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){}
			}
		}
		// fin connexion http

		req.onreadystatechange = function()
		{
			if(req.readyState == 4)
			{
				// si le status est OK
				if(req.status == 200)
				{
					var texte = req.responseText;
					document.getElementById(div).innerHTML  = texte;
					var scripts=""; 
					while(texte.indexOf('<script>')!==-1)
					{ 
						var provisoire=texte.substr(texte.indexOf('<script>')+8); 
						scripts+=provisoire.substr(0,provisoire.indexOf('</script>')); 
						texte=texte.substr(0,texte.indexOf('<script>'))+texte.substr(texte.indexOf('</script>')+9);
					} 
					if (scripts!="") window.eval(scripts);
				}	
				else	
				{
					// on affiche un message d'erreur dans le div
					document.getElementById(div).innerHTML="Error: returned status code " + req.status + " " + req.statusText;
				}
			}
		}
		req.open("GET", page, true);
		req.send(null);  // on envoie rien du tout car c du GET
	}
	
	//afficher le résultat d'un POST dans un div
	function send_post(page,div,form_name)
	{ 
		var req = null;
		var divdiv = div;
	
		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(div).innerHTML = "<br><center><img src='images/loader.gif'><br><br>Chargement de la page en cours...</center><br>";
			//sleep(2000);

			if(req.readyState == 4)
			{
				if(req.status == 200)
				{
					var texte = req.responseText;
					var scripts=""; 
					while(texte.indexOf('<script>')!==-1)
					{ 
						var provisoire=texte.substr(texte.indexOf('<script>')+8); 
						scripts+=provisoire.substr(0,provisoire.indexOf('</script>')); 
						texte=texte.substr(0,texte.indexOf('<script>'))+texte.substr(texte.indexOf('</script>')+9);
					} 
					document.getElementById(div).innerHTML  = texte;
					if (scripts!=""){
						window.eval(scripts);
					}
				}	
				else	
				{
					document.getElementById(div).innerHTML="Error: returned status code " + req.status + " " + req.statusText;
				}	
			} 
		}; 	
	
		var frm = document.forms[form_name]; // formName needs to be the name of your form
		var pineapple = frm.elements;		
	
		var query = new Array();
	
		
	
		for (var fl = 0;fl < pineapple.length; fl++) 
		{
			if(pineapple[fl].type == 'radio' || pineapple[fl].type == 'checkbox')
			{
				if(pineapple[fl].checked == true)
					query += encodeURIComponent(pineapple[fl].name) + "=" + encodeURIComponent(pineapple[fl].value)+"&";
			}
			else
				query += encodeURIComponent(pineapple[fl].name) + "=" + encodeURIComponent(pineapple[fl].value)+"&";
		}
		req.open("POST", page, true);
		req.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		req.send(query);
	} 
	
	//afficher le résultat d'un POST dans un div (sans msg loading)
	function send_post_no_wait(page,div,form_name)
	{ 
		var req = null;
		var divdiv = div;
	
		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(div).innerHTML = "<br><center><img src='images/loader.gif'><br><br>Chargement de la page en cours...</center><br>";
			//sleep(2000);

			if(req.readyState == 4)
			{
				if(req.status == 200)
				{
					var texte = req.responseText;
					var scripts=""; 
					while(texte.indexOf('<script>')!==-1)
					{ 
						var provisoire=texte.substr(texte.indexOf('<script>')+8); 
						scripts+=provisoire.substr(0,provisoire.indexOf('</script>')); 
						texte=texte.substr(0,texte.indexOf('<script>'))+texte.substr(texte.indexOf('</script>')+9);
					} 
					document.getElementById(div).innerHTML  = texte;
					if (scripts!="") window.eval(scripts);
				}	
				else	
				{
					document.getElementById(div).innerHTML="Error: returned status code " + req.status + " " + req.statusText;
				}	
			} 
		}; 	
	
		var frm = document.forms[form_name]; // formName needs to be the name of your form
		var pineapple = frm.elements;		
	
		var query = new Array();
	
		
	
		for (var fl = 0;fl < pineapple.length; fl++) 
		{
			if(pineapple[fl].type == 'radio' || pineapple[fl].type == 'checkbox')
			{
				if(pineapple[fl].checked == true)
					query += encodeURIComponent(pineapple[fl].name) + "=" + encodeURIComponent(pineapple[fl].value)+"&";
			}
			else
				query += encodeURIComponent(pineapple[fl].name) + "=" + encodeURIComponent(pineapple[fl].value)+"&";
		}
		req.open("POST", page, true);
		req.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		req.send(query);
	}
	
	function changeCouleur(ligne) {
		ligne.bgColor = '#CCCCCC';
	}

	function remetCouleur(ligne) {
		ligne.bgColor = '#FFFFFF';
	}
	
	function cleardiv(div)
	{
		document.getElementById(div).innerHTML  = '';
	}

	function inline_div(div) 
	{	
		if (document.getElementById(div))
		{
			if (document.getElementById(div).style.display == "inline")
			{
				document.getElementById(div).style.display  = "none";
			}
			else
			{
				document.getElementById(div).style.display  = "inline"; 
			}
		}
	}
	
	function display_inline_div(div) 
	{	
		if (document.getElementById(div))
		{
			document.getElementById(div).style.display  = "inline"; 
		}
	}
	
	function hide_inline_div(div) 
	{	
		if (document.getElementById(div))
		{
			document.getElementById(div).style.display  = "none"; 
		}
	}
	

	function display_div(div) 
	{	
		if (document.getElementById(div))
		{
			if (document.getElementById(div).style.display == "block")
			{
				document.getElementById(div).style.display  = "none";
			}
			else
			{
				document.getElementById(div).style.display  = "block"; 
			}
		}
	}
	
	//afficher div
	function display_block(div) 
	{	
		document.getElementById(div).style.display  = "block"; 
	}

	//cacher div
	function display_none(div) 
	{	
		document.getElementById(div).style.display  = "none"; 
	}

	
	//verification formulaire
	extArray = new Array(".gif", ".jpg", ".png",".bmp");
	function verif(formulaire){
		var form=document.getElementById(formulaire);
		var msg='';
		if (trim(form.libelle.value)==''){
			msg+='Veuillez remplir le(s) champ(s) obligatoire(s)';
			form.libelle.style.borderColor="red";
		}
		if (msg=='') return true;
		else{
			alert(msg);
			return false;
		}
	}