if (document.images)
{
	top1on= new Image(52,27);
	top1on.src="images/top_right_accueil_hover.jpg";
	top2on= new Image(60,27);
	top2on.src="images/top_right_english_hover.jpg";
	
	top1off= new Image(52,27);
	top1off.src="images/top_right_accueil.jpg";
	top2off= new Image(60,27);
	top2off.src="images/top_right_english.jpg";
	
	img1on= new Image(164,30);
	img1on.src="images/menu/menu_historique_hover.jpg";
	img2on= new Image(164,30);
	img2on.src="images/menu/menu_principes_hover.jpg";  
	img3on= new Image(164,30);
	img3on.src="images/menu/menu_plainte_hover.jpg";  
	img4on= new Image(164,30);
	img4on.src="images/menu/menu_organismes_hover.jpg";  
	img5on= new Image(164,30);
	img5on.src="images/menu/menu_droits_hover.jpg";  
	img6on= new Image(164,30);
	img6on.src="images/menu/menu_services_hover.jpg";  
	img7on= new Image(164,30);
	img7on.src="images/menu/menu_autres_hover.jpg";  
	img8on= new Image(164,30);
	img8on.src="images/menu/menu_joindre_hover.jpg";  
	
	img1off= new Image(164,30);
	img1off.src="images/menu/menu_historique.jpg";
	img2off= new Image(164,30);
	img2off.src="images/menu/menu_principes.jpg";
	img3off= new Image(164,30);
	img3off.src="images/menu/menu_plainte.jpg";
	img4off= new Image(164,30);
	img4off.src="images/menu/menu_organismes.jpg";
	img5off= new Image(164,30);
	img5off.src="images/menu/menu_droits.jpg";
	img6off= new Image(164,30);
	img6off.src="images/menu/menu_services.jpg";
	img7off= new Image(164,30);
	img7off.src="images/menu/menu_autres.jpg";
	img8off= new Image(164,30);
	img8off.src="images/menu/menu_joindre.jpg";
}

function on(imgName)
{
	if (document.images)
	{
		imgOn=eval(imgName + "on.src");
		document[imgName].src= imgOn;
	}
}

function off(imgName)
{
	if (document.images)
	{
		imgOff=eval(imgName + "off.src");
		document[imgName].src= imgOff;
	}
}