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


function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function MM_callJS(jsStr) { //v2.0
  return eval(jsStr)
}

function MMOLL_openBrWindow(theURL,winName,features) {
remote=window.open(theURL,winName,features);
if (remote.opener == null) remote.opener = window; 
remote.opener.name = "opener";
}

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_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 s(textitem) 
	{
	self.status=textitem;
	}

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_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 getElementsByClass(searchClass, node, tag) {
    var classElements = new Array();
    if ( node == null )
        node = document;
    if ( tag == null )
        tag = '*';
    var els = node.getElementsByTagName(tag);
    var elsLen = els.length;
    var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
    for (i = 0, j = 0; i < elsLen; i++) {
        if ( pattern.test(els[i].className) ) {
            classElements[j] = els[i];
            j++;
        }
    }
    return classElements;
}

function tailleFonte(classe, taille) {
	body = document.getElementsByTagName('body');
	cibles = getElementsByClass('txt');
	for (i=0; i < cibles.length; i++) {
		cibles[i].style.fontSize = taille;
		}
	}


	var t;			
	t = 0.85;
	var u;			
	u = 1.3;
	var v;			
	v = 0.75;

	function changerTaille(modif) {
		t = t + modif;
		if ( t > 1.2 ) t = 1.2;
		if ( t < 0.6 ) t = 0.6;

		if ( u > 1.5 ) u = 1.5;
		if ( u < 1 ) u = 1;

//		document.getElementsByTagName("body")[0].style.fontSize = t + "em";
	cibles = getElementsByClass('txt');
	for (i=0; i < cibles.length; i++) {
		if ( t < 1.25 && t > 0.6) {
			cibles[i].style.fontSize = t + "em";
			}
		}

	cibles2 = getElementsByClass('titre');
	for (i=0; i < cibles2.length; i++) {
		if ( u < 1.45 && u > 0.74) {
		cibles2[i].style.fontSize = u + "em";
			}
		}

	cibles3 = getElementsByClass('touptitexte');
	for (i=0; i < cibles3.length; i++) {
		if ( v < 1.05 && v > 0.64) {
		cibles3[i].style.fontSize = v + "em";
			}
		}

// alert(t);
	}