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_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_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.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 popLogin2 (page)
	{
	var DFviewer = window.open (page,'DFviewer','location=no,toolbar=n,directories=no,menubar=no,top=150,left=150,resizable=no,scrollbars=1,status=no,width=600,height=500');
	DFviewer.focus();
	}
	
function popQui (page)
	{
	var DFviewer = window.open (page,'DFviewer','location=no,toolbar=n,directories=no,menubar=no,top=150,left=150,resizable=no,scrollbars=1,status=no,width=500,height=400');
	DFviewer.focus();
	}

function popAuteur (page)
	{
	var DFviewer = window.open (page,'DFviewer','location=no,toolbar=n,directories=no,menubar=no,top=150,left=150,resizable=no,scrollbars=1,status=no,width=555,height=450');
	DFviewer.focus();
	}

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();
}
MM_reloadPage(true);

function MM_showHideLayers() { //v3.0
  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 checkDate (dstr, mstr, ystr)
{
/*
_________________________________________________________________
	_>>	Cette fonction vérifie la validité d'une date

	__?	Paramètre :
		-	dstr, mstr, ystr : une date sous forme STRING

	-->	Cette fonction retourne false si la chaîne passée n'est pas une date
_________________________________________________________________
*/
var d = parseInt(dstr, 10);
var m = parseInt(mstr, 10);
var y = parseInt(ystr, 10);

if ( (dstr.length != 2) || (mstr.length != 2) || (ystr.length != 4) )	{	return false;	}
if ( (d < 1) || (m < 1) || (m > 12) ) {return false;} 

var dt = new Date();
if (y < 1850 || y > dt.getFullYear()) {return false;}

var mref = ( ( (m == 1) || (m == 3) || (m == 5) || (m == 7) || (m == 8) || (m == 10) || (m == 12) ) ? 31 : (m == 2) ? 29 : 30 );
if (m == 2) { mref = ((y % 4) ? 28 : 29); } // annees bissextiles

if ( d > mref )	{	return false;	}

return true;	
}//Fin de la fonction checkDate()