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 voirimg(quelle,alt){
	document.getElementById('titres').innerHTML = alt;
	MM_preloadImages('img/phototheque/'+quelle);
	var contenu = '<img src="http://www.chateau-turenne.com/img/phototheque/'+quelle+'" alt="'+alt+'" />';
	document.getElementById('grandeimg').innerHTML = contenu;
}