function ajax(val,lvl)
{
	var http_request = false;

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

	if (!http_request)
	{
		alert("Erreur : XMLHTTP impossible ! Utilisez un autre navigateur.");
		return false;
	}

	if (val == 1)
	{
		var num = document.getElementById("categorie").value;

		var subcat4 = document.getElementById("subcat4");
		var divs = subcat4.getElementsByTagName("div");
		for (var i = 0; i < divs.length; i++)
		{
			subcat4.removeChild(divs.item(i));
		}

		if (num > 0)
		{
			document.getElementById("subcat1").style.display = "none";
			document.getElementById("subcat2").style.display = "none";
			document.getElementById("subcat3").style.display = "";
		
			document.getElementById("post").cat_s.value = num;
			setCat(0, document.getElementById("categorie").options[document.getElementById("categorie").selectedIndex].text);
			var url = 'getsubcat.php?id='+num;
			http_request.onreadystatechange = function() {getSub(http_request);};
			http_request.open('GET', url, true);
			http_request.send(null);
		}
		else
		{
			document.getElementById("subcat1").style.display = "";
			document.getElementById("subcat2").style.display = "none";
			document.getElementById("post").cat_s.value = "";

			var form = document.getElementById("post");

			for (var i = form.subcat.options.length - 1; i > 0; i--)
			{
				form.subcat.options[i] = null;
			}

			form.subcat.options[0] = new Option(" ", 0);
		}
	}
	else if (val == 2)
	{
		var keywords = document.getElementById("keywords").value;
		if (keywords.length > 2)
		{
			document.getElementById("searchButton").value = "Nouvelle recherche";
			document.getElementById("searchButton").disabled = "disabled";
			document.getElementById("searchprogress").style.display = "";
			var url = 'getcatresults.php?kw='+keywords;
			http_request.onreadystatechange = function() {getCatResults(http_request);};
			http_request.open('GET', url, true);
			http_request.send(null);	
		}
		else
		{
			alert("Veuillez entrer des termes plus pr\351cis.");
		}
	}
	else if (val == 3)
	{
		var subcat4 = document.getElementById("subcat4");
		var divs = subcat4.getElementsByTagName("div");
		if (lvl >= 0) {var url = divs.item(lvl).firstChild.options[divs.item(lvl).firstChild.selectedIndex].value;}
		else {var url = document.getElementById('subcat').options[document.getElementById('subcat').selectedIndex].value;}
		url = "getsubcat.php?id="+url;
		lvl++;
		http_request.onreadystatechange = function() {getSubSub(http_request,lvl);};
		http_request.open('GET', url, true);
		http_request.send(null);
	}
}

function addslashes(str)
{
	str = str.replace(/\'/g,"\\\'");
	return str;
}

function getCatResults(http_request)
{

	if (http_request.readyState == 4)
	{
		if (http_request.status == 200)
		{
			if (http_request.responseText != "" && http_request.responseText != null)
			{
				var cats = new Array();
				cats = http_request.responseText.split('|');

				document.getElementById("searchresults").style.display = "";

				var nbresultsSpan = document.getElementById("nbresults");
				nbresultsSpan.removeChild(nbresultsSpan.firstChild);
				var newNbResults = document.createTextNode(cats.length);
				nbresultsSpan.appendChild(newNbResults);

				var sr_table = document.getElementById("sr_table");
				while (sr_table.hasChildNodes())
				{
					sr_table.removeChild(sr_table.firstChild);
				}
				document.getElementById('post').cat_r.value = "";

				for (var i = 0; i < cats.length; i++)
				{
					var splitcat = new Array();
					splitcat = cats[i].split('#');

					var nbcat = splitcat.length / 4;

					var cur_url = "";
					var cur_name = "";
					var radio_val = "";
					var cur_nbsites = "";
					for (var j = nbcat; j > 0; j--)
					{
						cur_name += splitcat[(j*4)-1];
						cur_url += splitcat[(j*4)-2]+"/";
						if (j > 1) {cur_name += " > ";}
						else
						{
							radio_val = splitcat[(j*4)-4];
							cur_nbsites = splitcat[(j*4)-3];
						}
					}
					var newTR = document.createElement("tr");
					var newTD = document.createElement("td");
					var newRadio = document.createElement("input");
					newTD.appendChild(newRadio);
					var newTxt = document.createTextNode(cur_name);
					var newLink = document.createElement("a");
					newLink.appendChild(newTxt);
					newLink.setAttribute("href", "javascript:openCat('"+cur_url+"')");
					newTD.appendChild(newLink);
					newTR.appendChild(newTD);
					sr_table.appendChild(newTR);
					newRadio.setAttribute("type", "radio");
					newRadio.setAttribute("name", "searchcatsel");
					newRadio.setAttribute("value", radio_val);
					newRadio.setAttribute("onclick", "setCat("+radio_val+", '"+addslashes(cur_name)+"')");
					if (cur_nbsites > 1) {var newTxt = document.createTextNode(" ("+cur_nbsites+" sites)");}
					else {var newTxt = document.createTextNode(" ("+cur_nbsites+" site)");}
					var newSpan = document.createElement("span");
					newSpan.appendChild(newTxt);
					newSpan.setAttribute("class", "nbsites");
					newTD.appendChild(newSpan);
					document.getElementById("step1valider").style.display = "";
					document.getElementById("sr_div").style.display = "";
					document.getElementById("noresult").style.display = "none";
				}
			}
			else
			{
				var nbresultsSpan = document.getElementById("nbresults");
				nbresultsSpan.removeChild(nbresultsSpan.firstChild);
				var newNbResults = document.createTextNode("0");
				nbresultsSpan.appendChild(newNbResults);
				document.getElementById("step1valider").style.display = "none";
				document.getElementById("sr_div").style.display = "none";
				document.getElementById("noresult").style.display = "";
			}
			document.getElementById("searchresults").style.display = "";
		}
		else
		{
			alert("Erreur : le serveur ne r\351pond pas ! Veuillez r\351essayer.");
		}
		document.getElementById("searchButton").disabled = "";
		document.getElementById("searchprogress").style.display = "none";
	}
}

function setCat(val, name)
{
	if (val > 0) document.getElementById('post').cat_r.value = val;
	var catname = document.getElementById('catname');
	catname.removeChild(catname.firstChild);
	var newTxt = document.createTextNode(name);
	catname.appendChild(newTxt);

	var subcat4 = document.getElementById("subcat4");
	var divs = subcat4.getElementsByTagName("div");
	for (var i = 0; i < divs.length; i++)
	{
		subcat4.removeChild(divs.item(i));
	}
}

function getSubSub(http_request, lvl)
{
	if (http_request.readyState == 4)
	{
		if (http_request.status == 200)
		{
			if (http_request.responseText != "")
			{
				var subcat4 = document.getElementById("subcat4");
				var divs = subcat4.getElementsByTagName("div");
				for (var i = lvl; i < divs.length; i++)
				{
					subcat4.removeChild(divs.item(i));
				}

				if (http_request.responseText != "0")
				{

					var subcat = new Array();
					subcat = http_request.responseText.split('|');

					var nbsub = subcat.length / 2;

					var newDiv = document.createElement("div");
					var newSelect = document.createElement("select");
					newSelect.setAttribute("onchange", "setSubCat(this.value,"+lvl+")");
					
					var newOption = document.createElement("option");
					var newOptionTxt = document.createTextNode("---S\351lectionnez une sous-cat\351gorie---");
					newOption.appendChild(newOptionTxt);
					newOption.setAttribute("value", "0");
					newSelect.appendChild(newOption);

					for (var j = 0; j < nbsub; j++)
					{
						var newOption = document.createElement("option");
						var newOptionTxt = document.createTextNode(subcat[(j*2)+1]);
						newOption.appendChild(newOptionTxt);
						newOption.setAttribute("value", subcat[j*2]);
						newSelect.appendChild(newOption);
					}

					newDiv.appendChild(newSelect);
					subcat4.appendChild(newDiv);
					subcat4.style.display = "";
				}
			}
			else
			{alert("Erreur : le serveur ne r\351pond pas !");}
			document.getElementById("subcat3").style.display = "none";
		}
	}
}

function getSub(http_request)
{
	if (http_request.readyState == 4)
	{
		if (http_request.status == 200)
		{
			if (http_request.responseText != "")
			{
				var form = document.getElementById("post");

				for (var i = form.subcat.options.length - 1; i > 0; i--)
				{
					form.subcat.options[i] = null;
				}

				if (http_request.responseText != "" && http_request.responseText != null)
				{

					if (http_request.responseText == "0")
					{
						document.getElementById("subcat1").style.display = "";
						document.getElementById("subcat2").style.display = "none";

						var form = document.getElementById("post");

						for (var i = form.subcat.options.length - 1; i > 0; i--)
						{
							form.subcat.options[i] = null;
						}

						form.subcat.options[0] = new Option(" ", 0);

					}
					else
					{
						var subcat = new Array();
						subcat = http_request.responseText.split('|');

						var nbsub = subcat.length / 2;
						form.subcat.options[0] = new Option("---S\351lectionnez une sous-cat\351gorie---", 0);
						for (var j = 0; j < nbsub; j++)
						{
							form.subcat.options[j+1] = new Option(subcat[(j*2)+1], subcat[j*2]);
						}
						form.subcat.selectedIndex = 0;
						document.getElementById("subcat1").style.display = "none";
						document.getElementById("subcat2").style.display = "";
					}

				}
				else
				{
					document.getElementById("subcat1").style.display = "";
					document.getElementById("subcat2").style.display = "none";
				}
				document.getElementById("subcat3").style.display = "none";
			}
			else
			{alert("Erreur : le serveur ne r\351pond pas !");}
		}
	}
}

function setSubCat(val, lvl)
{
	var form = document.getElementById('post');

	var subcatname = document.getElementById("subcat").options[document.getElementById("subcat").selectedIndex].text;
	var catname = document.getElementById("categorie").options[document.getElementById("categorie").selectedIndex].text;
	var full_name = catname+" > "+subcatname;

	if (val > 0)
	{
		form.cat_s.value = val;

		var subcat4 = document.getElementById("subcat4");
		var divs = subcat4.getElementsByTagName("div");
		for (var i = lvl + 1; i < divs.length; i++)
		{
			subcat4.removeChild(divs.item(i));
		}

		if (lvl >= 0)
		{
			for (var i = 0; i < divs.length; i++)
			{
				var cur_name = divs.item(i).firstChild.options[divs.item(i).firstChild.selectedIndex].text;
				full_name += " > "+cur_name;
			}
		}

		var newTxt = document.createTextNode(full_name);
		var catnamespan = document.getElementById('catname');
		catnamespan.removeChild(catnamespan.firstChild);
		catnamespan.appendChild(newTxt);

		document.getElementById("subcat3").style.display = "";
		ajax(3,lvl);
	}
	else
	{

		if (lvl >= 0)
		{
			var subcat4 = document.getElementById("subcat4");
			var divs = subcat4.getElementsByTagName("div");
			for (var i = lvl; i < divs.length - 1; i++)
			{
				var cur_name = divs.item(i).firstChild.options[divs.item(i).firstChild.selectedIndex].text;
				var cur_value = divs.item(i).firstChild.options[divs.item(i).firstChild.selectedIndex].value;
				full_name += " > "+cur_name;
			}
			form.cat_s.value = cur_value;
		}
		else
		{
			form.cat_s.value = form.categorie.value;

			full_name = document.getElementById("categorie").options[document.getElementById("categorie").selectedIndex].text;

			var subcat4 = document.getElementById("subcat4");
			var divs = subcat4.getElementsByTagName("div");
			for (var i = 0; i < divs.length; i++)
			{
				subcat4.removeChild(divs.item(i));
			}
		}

		var newTxt = document.createTextNode(full_name);
		var catnamespan = document.getElementById('catname');
		catnamespan.removeChild(catnamespan.firstChild);
		catnamespan.appendChild(newTxt);

	}

}

function dispForm(val)
{
	with (document)
	{
		var form = getElementById("post");
		if (val == 2)
		{
			getElementById("catlist").style.display = "";
			getElementById("searchcat").style.display = "none";
			form.cat_s.value = "";
			getElementById("searchresults").style.display = "none";
			getElementById("scradio2").checked = "checked";

			if (form.categorie.value > 0)
			{
				if (form.subcat.value > 0) {form.cat_s.value = form.subcat.value;}
				else {form.cat_s.value = form.categorie.value;}
			}
		}
		else
		{
			if (getElementById("nbresults").firstChild.nodeValue > 0) getElementById("searchresults").style.display = "";
			getElementById("catlist").style.display = "none";
			getElementById("searchcat").style.display = "";
		}
		form.catseltype.value = val;
	}
}

function openCat(url)
{
	window.open("http://www.sites-fr.info/categorie/"+url);
}

function go2step(val)
{
	var form = document.getElementById('post');

	if (val == 2)
	{
		var cur_method = form.catseltype.value;
		var step2 = 1;
		if ((cur_method == 1 && form.cat_r.value == "") || (cur_method == 2 && form.cat_s.value == "")) {alert("Veuillez s\351lectionner une cat\351gorie."); step2 = 0;}
		else if (cur_method == 2) {form.cat_r.value = form.cat_s.value;}

		if (step2 == 1)
		{
			document.getElementById("step1").style.display = "none";
			document.getElementById("step2").style.display = "";
			var stepnum = document.getElementById("regstep");
			stepnum.removeChild(stepnum.firstChild);
			var newTxt = document.createTextNode(val);
			stepnum.appendChild(newTxt);
			document.getElementById("searchresults").style.display = "none";
		}
	}
	else if (val == 1)
	{
		document.getElementById("step1").style.display = "";
		document.getElementById("step2").style.display = "none";
		var stepnum = document.getElementById("regstep");
		stepnum.removeChild(stepnum.firstChild);
		var newTxt = document.createTextNode(val);
		stepnum.appendChild(newTxt);
		if (form.catseltype.value == 1) document.getElementById("searchresults").style.display = "";
	}

}

function countChars()
{
	var txt = document.getElementById('post').description;
	var cur_length = txt.value.length;
	var nbchars = document.getElementById("nbchars");
	var charsleft = 250 - cur_length;
	if (charsleft <= 0) {charsleft = 0; txt.value = txt.value.substr(0,250);}
	if (charsleft < 10) {nbchars.style.color = "red";} else {nbchars.style.color = "";}
	if (charsleft > 1) {charsleft += " caract\350res maximum";} else {charsleft += " caract\350re maximum";}
	nbchars.removeChild(nbchars.firstChild);
	var newTxt = document.createTextNode(charsleft);
	nbchars.appendChild(newTxt);
}

function formSubmit()
{
	var form = document.getElementById("post");

	if (form.titre.value == '' || form.url.value.length < 8 || form.description.value == '' || form.email.value == '' || form.code.value.length < 7) {alert("Veuillez remplir tous les champs.");}
	else if (emailCheck() == false) {alert("Votre adresse e-mail n'est pas valide.");}
	else {form.submit();}
}

function emailCheck()
{
	var email = document.getElementById("post").email.value;

	var reg = /[^@]{1,64}@[^@]{1,255}/;
	if (!reg.test(email)) {return false;}
	
	var email_array = email.split('@');
	var local_array = email_array[0].split('.');
	reg = /^(([A-Za-z0-9!#$%&'*+/=?^_`{|}~-][A-Za-z0-9!#$%&'*+/=?^_`{|}~\.-]{0,63})|(\"[^(\\|\")]{0,62}\"))$/;

	for (var i = 0; i < local_array.length; i++) {if (!reg.test(local_array[i])) {return false;}}

	reg = /^\[?[0-9\.]+\]?$/;

	if (!reg.test(email_array[1]))
	{
		var domain_array = email_array[1].split('.');
		if (domain_array.length < 2) {return false;}

		reg = /^(([A-Za-z0-9][A-Za-z0-9-]{0,61}[A-Za-z0-9])|([A-Za-z0-9]+))$/;

		for (i = 0; i < domain_array.length; i++) {if (!reg.test(domain_array[i])) {return false;}}
	}

	return true;
}