// JavaScript Document
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 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_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v;
	}
}
function cachetout() { 
	MM_showHideLayers('bio','','hidden');
	MM_showHideLayers('enseignement','','hidden');
	MM_showHideLayers('vie','','hidden');
	MM_showHideLayers('recherche','','hidden');
}
function decale(menu) {
	posX = (document.body.offsetWidth-750)/2 + 10;
	posYvies = 209;
	posYens = 142;
	posYrec = 164;
	posYbio = 122;
	if (menu=="vie"){
	delta = 160;
	document.getElementById(menu).style.left = posX + delta + 'px'; 
	document.getElementById(menu).style.top = posYvies + 'px';}
	if (menu=="recherche"){
	delta = 160;
	document.getElementById(menu).style.left = posX + delta + 'px'; 
	document.getElementById(menu).style.top = posYrec + 'px';}
	if (menu=="enseignement"){
	delta = 160;
	document.getElementById(menu).style.left = posX + delta + 'px'; 
	document.getElementById(menu).style.top = posYens + 'px';}	
	if (menu=="bio"){delta = 160;
	document.getElementById(menu).style.left = posX + delta + 'px'; 
	document.getElementById(menu).style.top = posYbio + 'px';}
	
}

function dessus(image,lien,calque) {
	//MM_swapImage(image,'',lien,1)
	cachetout();
	MM_showHideLayers(calque,'','show');
	decale(calque)
}

	function validation()
		          {
					      if (document.forms[0].elements[0].value=="") 
					        	{
								alert("Vous devez saisir un nom");
						        return false;
								 }			
							if (document.forms[0].elements[1].value=="") 
					        	{
								 alert("Vous devez saisir un prénom");
								return false;
								 }								
								if (document.forms[0].elements[2].value=="") 
					        	{
								 alert("Vous devez saisir un mail");
								return false;
								 }
								 if (document.forms[0].elements[3].value=="") 
					        	{
								 alert("Vous devez saisir un numéro de telephone");
								return false;
								 }
								 	if (document.forms[0].elements[4].value=="") 
					        	{
								 alert("Vous devez saisir un titre à votre message");
								return false;
								 }
									if (document.forms[0].elements[5].value=="") 
					        	{
								 alert("Vous devez saisir votre message");
								return false;
								 }
								  var okmail=2;
								  var test = "" + document.forms[0].elements[2].value;
                                 for (var k = 0; k < test.length; k++) 
                                {
                                  var c = test.substring(k, k+1);
                                 if(c == "@") { 
                                 okmail=1; } 
                                 }
								 
								 if (okmail==1) 	{
								 return true;
								 }else{
								 
								 alert("Vous devez saisir un mail valide");
								 return false;
								 }
					                return true;
					 }