function image_menu_haut(menu){
	tab_images = new Array("window.frames.top.haut.document.Image18.src","window.frames.top.haut.document.Image19.src","window.frames.top.haut.document.Image20.src","window.frames.top.haut.document.Image21.src");
	tab_images_obj = new Array("window.frames.top.haut.document.Image18","window.frames.top.haut.document.Image19","window.frames.top.haut.document.Image20","window.frames.top.haut.document.Image21");
	tab_normal = new Array("../../image-fr/menu-haut/prevention/rub1.gif","../../image-fr/menu-haut/prevention/rub2.gif","../../image-fr/menu-haut/prevention/rub3.gif","../../image-fr/menu-haut/prevention/rub4.gif");
	tab_rollover = new Array("../../image-fr/menu-haut/prevention/rub1_roll.gif","../../image-fr/menu-haut/prevention/rub2_roll.gif","../../image-fr/menu-haut/prevention/rub3_roll.gif","../../image-fr/menu-haut/prevention/rub4_roll.gif");
	for (i=0;i<4;i++){
		if (i==menu-1){
			eval(tab_images[i]+'=\''+tab_rollover[i]+'\'');
		}
		else {
			eval(tab_images[i]+'=\''+tab_normal[i]+'\'');
		}	
	}		
}