// JavaScript Document

/* ---------------------------
   ----- ROLLOVER FUNCTIONS -----
   --------------------------- */

<!--

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) { //v4.01
  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];}
}
//-->

/* -------------------------------------
   ----- SHOW HIDE lAYERS FUNCTIONS -----
   ------------------------------------- */

<!--

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; }
}
//-->

/* Show Rollovers for Any Image, including PNG */
var rolloversIE = {
	init : function() {
		var spans = $c(document.getElementsByTagName('span'));
		spans.each( function(span){ rolloversIE.preload(span);} );
	},
	preload : function(e) {
		if( hasClassName(e, 'rollover') ) {
			var img = new Image, filter = e.style.filter;
			var src = filter.substring( filter.indexOf("src='") + 5, filter.indexOf("',"));
			img.src = src.substring(0, src.length - 4) + '_over' + src.substring(src.length - 4, src.length);
			addEvent(e,'mouseover',rolloversIE.show);
			addEvent(e,'mouseout',rolloversIE.hide);
		}
	},
	show : function(e) {
		var filter = this.style.filter;
		var src = filter.substring( filter.indexOf("src='") + 5, filter.indexOf("',"));
		var ext = src.substring(src.length - 4, src.length);
		var name = src.substring(0, src.length - 4);
		this.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader" + "(src=\'" + name + '_over' + ext + "\', sizingMethod='image')";
	},
	hide : function(e) {
		var filter = this.style.filter;
		var src = filter.substring( filter.indexOf("src='") + 5, filter.indexOf("',"));
		this.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader" + "(src=\'" + src.replace('_over','') + "\', sizingMethod='image')";
	}
}

var rollovers = {
	obj : Object,
	init : function() {
		var overs = $c(document.getElementsByTagName('img'));
		overs.each( function(over){	rollovers.preload(over);} );
	},
	preload : function(e) {
		if( hasClassName(e, 'rollover') ) {
			var img = new Image, src = e.src;
			img.src = src.substring(0, src.length - 4) + '_over' + src.substring(src.length - 4, src.length);
			addEvent(e,'mouseover',rollovers.show);
			addEvent(e,'mouseout',rollovers.hide);
		}
	},
	show : function(e) {
		var ext = this.src.substring(this.src.length - 4, this.src.length);
		var name = this.src.substring(0, this.src.length - 4);
		this.src = name + '_over' + ext;
	},
	hide : function(e) {
		this.src = this.src.replace('_over','');
	}
}
   
/* Add a PNG "Frame" to any image */
function pngFrame(dir) {
	for( var i = 0, img; img = document.getElementsByTagName('img')[i]; i++ ) {
		if( img.className.indexOf('frame') > -1 ) {
			img.style.background = "url(" + img.src + ")";
			img.src = png_frame;
		}
	}
}

/* ---------------------------
   ------ LOAD FUNCTIONS -----
   --------------------------- */
   
onload="MM_preloadImages('images/Menu_book.jpg','images/Menu_book_RollOver.jpg','images/Menu_multimediaRollOver.jpg','images/Menu_newspaperRollOver.jpg','images/Menu_contentRollOver.jpg','images/Menu_imagesRollOver.jpg')"

/* ---------------------------
   ------ POPUP FUNCTIONS -----
   --------------------------- */
   
function popupcentre(adresse, nomFenetre, largeur, hauteur, scroll) 
  {
  var largeurEcran = (screen.width - largeur) / 2;
  var hauteurEcran = (screen.height - hauteur) / 2;
  window.open(adresse, nomFenetre, 'height=' + hauteur + ', width=' + largeur + ', top=' + hauteurEcran + ', left=' + largeurEcran + ', scrollbars=' + scroll + ', resizable=no')
  }