window.onload = BodyOnLoad;

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) { //v4.0
  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 BodyOnLoad()
{
    MM_preloadImages('images/english_on.gif','images/quisommesnous_on.gif','images/villegiature_on.gif','images/activites_on.gif','images/divers_on.gif','images/forfaits_on.gif','images/photos_on.gif','images/regles_on.gif','images/contact_on.gif');
	MM_preloadImages('images/english_on_en.gif','images/quisommesnous_on_en.gif','images/villegiature_on_en.gif','images/activites_on_en.gif','images/divers_on_en.gif','images/forfaits_on_en.gif','images/photos_on_en.gif','images/regles_on_en.gif','images/contact_on_en.gif');
	
	var divMenu = document.getElementById("bodynav");
	if( divMenu )
	{
		var href = divMenu.getElementsByTagName("a");		
		for( var idx=0; idx < href.length; idx++ )
		{							
			if( navigator.appName == "Microsoft Internet Explorer" )
			{
				href[idx].attachEvent("onmouseover", OnMouseOverMenuItem );
				href[idx].attachEvent("onmouseout", OnMouseOutMenuItem );
			}
			else
			{		
				href[idx].addEventListener("mouseover", OnMouseOverMenuItem, false);
				href[idx].addEventListener("mouseout", OnMouseOutMenuItem, false);
			}
		}
	}
}

function OnMouseOverMenuItem( e )
{
	var img;	
	if( navigator.appName == "Microsoft Internet Explorer" )
		img = e.srcElement;	
	else
		img = e.target;		
			
	if( img )
	{	
		//on vérifie si on a un suffixe langue dans le nom de l'image actuelle.
		var nPos = img.src.indexOf("_off_");
		var strLangAdj = "";
		if( nPos != -1 )
		{
			strLangAdj = img.src.substr( nPos + 4, 3 );		
		}
		
		//la souris est sur une image du menu, on va chercher le numéro de l'image
		//et on affiche l'image onmouseover.	
		MM_swapImage( img.id,'','images/' + img.id + '_on' + strLangAdj + '.gif',1);
	}
}

function OnMouseOutMenuItem( e )
{
	MM_swapImgRestore();
}