if((navigator.appName.indexOf("Explorer") >= 0) && (navigator.appVersion.indexOf("6")>=0 ))
{ 

	  document.writeln("<link rel='stylesheet' href='CSS/styles.css' type='text/css'>");

}
if((navigator.appName.indexOf("Explorer") >= 0)&& (navigator.appVersion.indexOf("7")>=0 ))
{
	 
	  document.writeln("<link rel='stylesheet' href='CSS/styles.css' type='text/css'>");
}
if((navigator.appName.indexOf("Netscape") >= 0) && (navigator.userAgent.indexOf("Mozilla") >= 0) && (navigator.userAgent.indexOf("Firefox") <= 0))
{

	  document.writeln("<link rel='stylesheet' href='CSS/styles.css' type='text/css'>");
}
if((navigator.appName.indexOf("Netscape") >= 0) && (navigator.userAgent.indexOf("Mozilla/4") >= 0) && (navigator.userAgent.indexOf("Firefox") <= 0))
{

	  document.writeln("<link rel='stylesheet' href='CSS/styles.css' type='text/css'>");
 
}

if(navigator.userAgent.indexOf("Firefox") >= 0)
  {
	   if(navigator.appVersion.indexOf("Windows")> -1)
		{
	   				document.writeln("<link rel='stylesheet' href='CSS/styles.css' type='text/css'>");
	   	}
		if(navigator.appVersion.indexOf("Macintosh")> -1){
			
					document.writeln("<link rel='stylesheet' href='CSS/styles.css' type='text/css'>");
		}
  }
  if(navigator.userAgent.indexOf("Firefox/2") >= 0)
  {
	
	  document.writeln("<link rel='stylesheet' href='CSS/styles.css' type='text/css'>");
   
  }
  if(navigator.userAgent.indexOf("Opera") >= 0)
  {
		  if(navigator.appVersion.indexOf("Windows")> -1)
		  {
	  			 document.writeln("<link rel='stylesheet' href='CSS/styles.css' type='text/css'>");
		  }
		  	if(navigator.appVersion.indexOf("Macintosh")> -1){
			
					 document.writeln("<link rel='stylesheet' href='CSS/styles.css' type='text/css'>");
		}
  }
 if(navigator.userAgent.indexOf("Chrome") >= 0)
  {

	   document.writeln("<link rel='stylesheet' href='CSS/styles.css' type='text/css'>");
   
  }
  if(navigator.userAgent.indexOf("Safari") >= 0)
  {

	   document.writeln("<link rel='stylesheet' href='CSS/styles_safari.css' type='text/css'>");
	   
	 
	
   
  }

		function getXMLHttpRequest() {
			var xhr = null;
			
			if (window.XMLHttpRequest || window.ActiveXObject) {
				if (window.ActiveXObject) {
					try {
						xhr = new ActiveXObject("Msxml2.XMLHTTP");
					} catch(e) {
						xhr = new ActiveXObject("Microsoft.XMLHTTP");
					}
				} else {
					xhr = new XMLHttpRequest(); 
				}
			} else {
				alert("Votre navigateur ne supporte pas l'objet XMLHTTPRequest...");
				return null;
			}
			
			return xhr;
		}


	function loadListeProduit()
	{ 
			var xhr = getXMLHttpRequest();
		
						if(xhr != null){
							
							
						}
								xhr.open("GET","traitement/list_produit.php",true);
								xhr.send(null); 
		
								xhr.onreadystatechange = function() {
									
								if (xhr.readyState == 4 && (xhr.status == 200 || xhr.status == 0)) {
										document.getElementById("loader").style.display = "block";
										document.getElementById("loader").style.display = "none";
										document.getElementById("ensemble_contenu_page").innerHTML = xhr.responseText;
										
									} else if (xhr.readyState < 4) {
										document.getElementById("ensemble_contenu_page").innerHTML ="";
									
									}
								};		   
		 

		}
		
	function rechercheProduit()
	{ 
	
	 var xhr = getXMLHttpRequest();

				if(xhr != null){
					
					
				}


						   xhr.open("GET","traitement/choix_categorie.php",true);
						  xhr.send(null); 
						
						   xhr.onreadystatechange = function() {
							
							if (xhr.readyState == 4 && (xhr.status == 200 || xhr.status == 0)) {
								
								document.getElementById("ensemble_contenu_page").innerHTML = xhr.responseText;
								
							} else if (xhr.readyState < 4) {
								document.getElementById("ensemble_contenu_page").innerHTML ="";
							}
						};		   	
		}
  function modificationCommande()
	{ 
	
	 var xhr = getXMLHttpRequest();

				if(xhr != null){
					
					
				}

						   xhr.open("POST","traitement/modif_commande.php",true);
						   xhr.setRequestHeader('Content-Type','application/x-www-form-urlencoded; charset=UTF-8');
						   
						  var  categorie = document.getElementById("quantite").value;
							   
						   xhr.send("categorie="+categorie);
						
						   xhr.onreadystatechange = function() {
							
							if (xhr.readyState == 4 && (xhr.status == 200 || xhr.status == 0)) {
								
								
								document.getElementById("ensemble_contenu_page").innerHTML = xhr.responseText;
								
							} else if (xhr.readyState < 4) {
								
								document.getElementById("ensemble_contenu_page").innerHTML ="";
								
							}
						};		   	
		}


 function submitCommande()
	{ 
	
	 var xhr = getXMLHttpRequest();

				if(xhr != null){
					
					
				}
						   xhr.open("POST","traitement/submit_commande.php",true);
						   xhr.setRequestHeader('Content-Type','application/x-www-form-urlencoded; charset=UTF-8');
						   
						  var  categorie = document.getElementById("quantite").value;
						 
							   
						   xhr.send("categorie="+categorie);
						
						   xhr.onreadystatechange = function() {
							
							if (xhr.readyState == 4 && (xhr.status == 200 || xhr.status == 0)) {
								
								
								document.getElementById("commander").style.display ="none";
								document.getElementById("mycustomscroll3").innerHTML = xhr.responseText;
								
							} else if (xhr.readyState < 4) {
								
								document.getElementById("mycustomscroll3").innerHTML ="";
								document.getElementById("fin_page").innerHTML ="";
								
							}
						};		   	
		}
		
		
		
 function  envoiCommande()
	{ 
	
	 var xhr = getXMLHttpRequest();

				if(xhr != null){
					
					
				}
						   xhr.open("POST","traitement/envoi_commande.php",true);
						   xhr.setRequestHeader('Content-Type','application/x-www-form-urlencoded; charset=UTF-8');
						   
						      var  categorie = document.getElementById("quantite").value;
						      var  nom = document.getElementById("nom").value;
						      var  prenom = document.getElementById("prenom").value;
							  var  adresse = document.getElementById("adresse").value;
							  var  phone = document.getElementById("phone").value;
							  var  email = document.getElementById("email").value;
							   
							   if(categorie =="" || nom =="" || prenom =="" || adresse =="" || phone =="" || email =="" ){
										
										alert("Vous devez remplir tous les champs. Merci.");
										
										 return; 
								   
							   }
							   
							   
						   xhr.send("categorie="+categorie+"&nom="+nom+"&prenom="+prenom+"&adresse="+adresse+"&phone="+phone+"&email="+email);
						
						   xhr.onreadystatechange = function() {
							
							if (xhr.readyState == 4 && (xhr.status == 200 || xhr.status == 0)) {
								
								
								document.getElementById("ensemble_contenu_page").innerHTML = xhr.responseText;
								
							} else if (xhr.readyState < 4) {
								
								document.getElementById("ensemble_contenu_page").innerHTML ="";
								
							}
						};		   	
		}