/********************************************************
*  FONCTION POPUP POUR LA NEWSLETTER
********************************************************/

function PopupCentrerNl(page,nom,largeur,hauteur,options) {
	var top=(screen.height-hauteur)/2;
	var left=(screen.width-largeur)/2;
	window.open(page,nom,'top='+top+',left='+left+',width='+largeur+',height='+hauteur+','+options);
}

function go(){
	PopupCentrerNl('','popup',500,300,'menubar=no,scrollbars=no,statusbar=no');
	document.forms['newsletter'].submit();
}



/********************************************************
*  FONCTION PERMETTANT DE VERIFIER LES CHAMP D'UN FORMULAIRE
********************************************************/

function verifForm(formobj, fieldRequired, fieldDescription){
	
	// intro des messages de la boite de dialogue
	var alertMsg = "Vous devez completer :\n";

	var l_Msg = alertMsg.length;

	for (var i = 0; i < fieldRequired.length; i++){
		var obj = formobj.elements[fieldRequired[i]];
		if (obj){
			switch(obj.type){
			case "select-one":
				if (obj.selectedIndex == -1 || obj.options[obj.selectedIndex].text == "" || obj.options[obj.selectedIndex].value == "rien"){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "select-multiple":
				if (obj.selectedIndex == -1){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;

			case "checkbox":
					alert(obj.checked);
					if (obj.checked == false){
						alertMsg += " - " + fieldDescription[i] + "\n";
					}
					break;

			case "text":
			case "textarea":
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
					obj.className = "contactErreur";
				}else{
					obj.className = "contact";
				}
				break;
			default:
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
			}
		}
	}

	if (alertMsg.length == l_Msg){
		var field = formobj.elements["email"];
		if(field.value != null && field.value != ""){
			if(!checkmail(field.value)){
					alert("votre email est incorrect");
					field.className = "contactErreur";
					return false;
			}else{
				field.className = "contact";
				return true;
			}
		}else{
			return true;
		}
	}else{
		alert(alertMsg);
		return false;
	}
}


function checkmail(email) {
         var reg = /^[a-z0-9._-]+@[a-z0-9.-]{2,}[.][a-z]{2,4}$/
         return (reg.exec(email)!=null)
}


/*
* Fonction resizePopUp
* permet d'ouvrir une image en popup centrée sans avoir à declarer ses dimensions
* ex : <a href="#" onClick='resizePopUp("image.jpg","commentaire");'></a>
*/


function masqueSaisieChaineNum(obj, masque) {
  var ch = obj.value;
  var tmp = "";
  ch.toString();
  
  if (window.event.keyCode != 37 && window.event.keyCode != 39 && window.event.type != "keydown" && window.event.keyCode != 8 && window.event.keyCode != 46) {
    
		if (window.event.type == "keyup") {
		  
		      // reconstitution de la chaine ss espace ni lettre
			  for (i=0; i<ch.length; i++) {
					if (!isNaN(ch.charAt(i)) && ch.charAt(i) != " "){
						tmp += ch.charAt(i);
					}
			  }		  
		      // vidage de la chaine
			  ch = ""
		  	  var j = 0;
		  	  // parsage pour reconstituer la chaine avec le masque
			  for (i=0; i<masque.length; i++) {
					if (masque.charAt(i)  == "0") {
						  if (tmp.charAt(j) != "" ) {
							ch += tmp.charAt(j);
							j++;
						  }else{
							ch += ""
						  }
					}else if(tmp.charAt(j) != ""){ 
						ch += masque.charAt(i);
					}
			  }
			  
		}
	  
		obj.value = ch;
  }
  
}




function resizePopUp(monImage, monTitre)
{
    
  w = window.open('','chargement','width=10,height=10');
  w.document.write( "<html><head><title>"+monTitre+"</title>\n" ); 
  w.document.write( "<script language='JavaScript'>\n"); 
  w.document.write( "IE5=NN4=NN6=false;\n"); 
  w.document.write( "if(document.all)IE5=true;\n"); 
  w.document.write( "else if(document.getElementById)NN6=true;\n"); 
  w.document.write( "else if(document.layers)NN4=true;\n"); 
  w.document.write( "function autoSize() {\n"); 
  w.document.write( "if(IE5) self.resizeTo(document.images[0].width+10,document.images[0].height+31)\n"); 
  w.document.write( "else if(NN6) self.sizeToContent();\n");
  w.document.write( "else window.resizeTo(document.images[0].width,document.images[0].height+20)\n"); 
  w.document.write( "self.focus();\n"); 
  
  // debut modification par franck pour le centrage
  w.document.write( "autoMove();\n"); 
  w.document.write( "}\n"); 
  w.document.write( "function autoMove() {\n"); 
  w.document.write( "var h = document.images[0].width;\n"); 
  w.document.write( "var l = document.images[0].height;\n"); 
  w.document.write( "var PosX = ( screen.availWidth - h ) / 2;\n"); 
  w.document.write( "var PosY = ( screen.availHeight - l ) / 2;\n"); 
  w.document.write( "window.moveTo(PosX, PosY);\n"); 
  // fin modification pour le centrage
  
  w.document.write( "}\n</scri");
  w.document.write( "pt>\n"); 
  w.document.write( "</head><body leftmargin=0 topmargin=0 marginwidth=0 marginheight=0 onLoad='javascript:autoSize();'>" );
  w.document.write( "<a href='javascript:window.close();'><img src='"+monImage+"' border=0 alt='"+monTitre+"'></a>" ); 
  w.document.write( "</body></html>" );
  w.document.close(); 
}
