
function VersionNavigateur(Netscape, Explorer) {
  if ((navigator.appVersion.substring(0,3) >= Netscape && navigator.appName == 'Netscape') ||      
      (navigator.appVersion.substring(0,3) >= Explorer && navigator.appName.substring(0,9) == 'Microsoft'))
    return true;
else return false;
}
function openWindow(file,px,py,tx,ty,attribu) {
myWindow= open(file, "newWindow", "top="+px+",left="+py+",width="+tx+",height="+ty+","+attribu);
}

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 PopupImage(img){ 
titre="Agrandissement"; 
w=open("",'image','top=50,left=75,width=800,height=600,toolbar=no,scrollbars=no,resizable=no'); 
w.document.write("<HTML><HEAD><TITLE>"+titre+"</TITLE></HEAD>"); 
w.document.write("<SCRIPT language=javascript>function checksize() { if (document.images[0].complete) { window.resizeTo(document.images[0].width+10,document.images[0].height+30); window.focus();} else { setTimeout('checksize()',250) } }</"+"SCRIPT>"); 
w.document.write("<BODY onload='checksize()' onblur='window.close()' onclick='window.close()' leftMargin=0 topMargin=0 marginwidth=0 marginheight=0>");
w.document.write("<TABLE width='100%' border='0' cellspacing='0' cellpadding='0' height='100%'><TR>");
w.document.write("<TD valign='middle' align='center'><IMG src='"+img+"' border=0 alt='Mon image'>"); 
w.document.write("</TD></TR></TABLE>");
w.document.write("</BODY></HTML>"); 
w.document.close(); 
}


function imgRdm()
{  
   var rdm = Math.random() * 4;
         
   var arrondi = Math.round(rdm);
                                
   document.writeln('<img id="mon_image" src="images/mot' + arrondi + '.gif" />');
         
}