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];}
}



/*
function aff(nomdiv) {
	if ( document.getElementById(nomdiv).style.display=='none' ) 
	{ document.getElementById(nomdiv).style.display=''; }
}
function masq(nomdiv) {
	if ( document.getElementById(nomdiv).style.display=='' ) 
	{ document.getElementById(nomdiv).style.display='none'; }
}

*/


var tempsNav =1000;
var timeOut;
function aff(nomdiv){
	stopAffiche();
	for (var i = 1; i<=10; i++){
		var id2 = "nav_haute_"+i;
		if(nomdiv != id2){
			if (document.getElementById(id2)){
				document.getElementById(id2).style.display='none';
			}
		}
	}
	if (document.getElementById(nomdiv)){
		document.getElementById(nomdiv).style.display='block';
	}
}

function masq(nomdiv){
	for (var i = 1; i<=10; i++){
		if (document.getElementById('nav_haute_'+i)){
			document.getElementById('nav_haute_'+i).style.display='none';
		}
	}
}

function projectionBlock(){
	timeOut = setTimeout('masq()', tempsNav);
}
function stopAffiche(){
	if(timeOut)
		clearTimeout(timeOut);
}





MM_preloadImages('img_js/bt_original_view_over.gif','img_js/bt_original_smell_over.gif','img_js/bt_original_touch_over.gif','img_js/bt_original_taste_over.gif','img_js/bt_original_hear_over.gif');