function changeImage(monImage,source) {
  monImage.src=source;
}

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 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 MM_preloadImages() { //v3.0
 var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
   var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
   if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}


function popup(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 popupFenetre(lien) {
	popup(lien,"popup","800","600","scrollbars=1,resizable=1");
}

String.prototype.trim = function() {
	return this.replace(/(^\s*)|(\s*$)/g, "");
}

function validateRequiredForm(formulaire) {

    if(validateEmail(formulaire)==false) {
        return false;
    }
    
    var alerte = 0;
    for(f=0;f<formulaire.elements.length;f++) {
        var thisAttribut = formulaire.elements[f].getAttribute("required");
        if((thisAttribut!='')&&(thisAttribut!=null)) {
            if(formulaire.elements[f].value=='') {
                alert('Merci de remplir le champ '+thisAttribut);
                formulaire.elements[f].focus();
		return false;   
                break;
            }
        }
    }
    return true;
}

/***email***/
function validateEmail(formulaire) {
    var alerte = 0;
    for(f=0;f<formulaire.elements.length;f++) {
        
        var thisAttribut = formulaire.elements[f].getAttribute("format");
        
        if(thisAttribut=="email") {
            
            if(formulaire.elements[f].value!='') {
                if(checkEmail(formulaire.elements[f].value)==false) {
                        alerte++;
                        break;
                }                
            }

        }
    }
      
    if(alerte>0) {
		alert('Merci de respecter le format des e-mails !');
		if ((formulaire.elements[f].type == "text") || (formulaire.elements[f].type == "textarea")) {
            formulaire.elements[f].focus();
		}
        
		return false;   
    }
    return true;
       
}

function checkEmail(emailStr) {
       if (emailStr.length == 0) {
           return true;
       }
       var emailPat=/^(.+)@(.+)$/;
       var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]";
       var validChars="\[^\\s" + specialChars + "\]";
       var quotedUser="(\"[^\"]*\")";
       var ipDomainPat=/^(\d{1,3})[.](\d{1,3})[.](\d{1,3})[.](\d{1,3})$/;
       var atom=validChars + '+';
       var word="(" + atom + "|" + quotedUser + ")";
       var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
       var domainPat=new RegExp("^" + atom + "(\\." + atom + ")*$");
       var matchArray=emailStr.match(emailPat);
       if (matchArray == null) {
           return false;
       }
       var user=matchArray[1];
       var domain=matchArray[2];
       if (user.match(userPat) == null) {
           return false;
       }
       var IPArray = domain.match(ipDomainPat);
       if (IPArray != null) {
           for (var i = 1; i <= 4; i++) {
              if (IPArray[i] > 255) {
                 return false;
              }
           }
           return true;
       }
       var domainArray=domain.match(domainPat);
       if (domainArray == null) {
           return false;
       }
       var atomPat=new RegExp(atom,"g");
       var domArr=domain.match(atomPat);
       var len=domArr.length;
       if ((domArr[domArr.length-1].length < 2) ||
           (domArr[domArr.length-1].length > 3)) {
           return false;
       }
       if (len < 2) {
           return false;
       }
       return true;
    }

/*** recherche ***/
function valideRechercheForm(formulaire) {

    formulaire.mots.value = formulaire.mots.value.trim();

	if(formulaire.mots.value=='') {
		alert('Veuillez indiquer un mot pour votre recherche !');
		formulaire.mots.focus();
        return false;	
	} else {
		if(formulaire.mots.value.length<=2) {
			alert('Veuillez indiquer un mot de plus de 2 lettres !');
			formulaire.mots.focus();
            return false;	
		}		
	}
	return true;	
}