// pre-load images
if (document.images)	{
	var item	  = 19+1;
	var rollover = new Array(item);
	
	// setup image array
	for (i=0;i<item;i++)	{
		rollover[i]=new Image();
	}
	
	//populate image array
	rollover[0].src		= "images/nav_en_home.gif";
	rollover[1].src		= "images/nav_en_home.gif";
	rollover[2].src		= "images/nav_en_about.gif";
	rollover[3].src		= "images/nav_en_about.gif";
	rollover[4].src		= "images/nav_en_collections.gif";
	rollover[5].src		= "images/nav_en_collections.gif";
	rollover[6].src		= "images/nav_en_events.gif";
	rollover[7].src		= "images/nav_en_events.gif";
	rollover[8].src		= "images/nav_en_contact.gif";
	rollover[9].src		= "images/nav_en_contact.gif";
	rollover[10].src	= "images/nav_fr_home.gif";
	rollover[11].src	= "images/nav_fr_home.gif";
	rollover[12].src	= "images/nav_fr_about.gif";
	rollover[13].src	= "images/nav_fr_about.gif";
	rollover[14].src	= "images/nav_fr_collections.gif";
	rollover[15].src	= "images/nav_fr_collections.gif";
	rollover[16].src	= "images/nav_fr_events.gif";
	rollover[17].src	= "images/nav_fr_events.gif";
	rollover[18].src	= "images/nav_fr_contact.gif";
	rollover[19].src	= "images/nav_fr_contact.gif";

}

function switch_image(id,index)	{
	if (document.images)	{
		document.images[id].src=rollover[index].src;
		//eval("document."+id+".src=rollover[index].src");
	}
}