if (document.images){
	pic_ast_on = new Image();
	pic_ast_on.src="images/home_ast_on.gif";
	pic_ast_off = new Image();
	pic_ast_off.src="images/home_ast.gif";
	pic_menu_on = new Image();
	pic_menu_on.src="images/home_menu_on.gif";
	pic_menu_off = new Image();
	pic_menu_off.src="images/home_menu.gif";
	pic_reservations_on = new Image();
	pic_reservations_on.src="images/home_reservations_on.gif";
	pic_reservations_off = new Image();
	pic_reservations_off.src="images/home_reservations.gif";
	pic_special_on = new Image();
	pic_special_on.src="images/home_special_on.gif";
	pic_special_off = new Image();
	pic_special_off.src="images/home_special.gif";
	pic_about_on = new Image();
	pic_about_on.src="images/home_about_on.gif";
	pic_about_off = new Image();
	pic_about_off.src="images/home_about.gif";
}

function imgOn (imgName){
  if(document.images){
        document['pic_'+imgName].src=eval("pic_" + imgName + "_on.src");
        }
}
function imgOff (imgName){
  if(document.images){
        document['pic_'+imgName].src=eval("pic_" + imgName +"_off.src");
        }
}