var image1 = new Image(); image1.src = "schema_imgs/btns/about_up.png";
var image2 = new Image(); image2.src = "schema_imgs/btns/about_over.png";
var image3 = new Image(); image3.src = "schema_imgs/btns/updates_up.png";
var image4 = new Image(); image4.src = "schema_imgs/btns/updates_over.png";
var image5 = new Image(); image5.src = "schema_imgs/btns/contact_up.png";
var image6 = new Image(); image6.src = "schema_imgs/btns/contact_over.png";
var image7 = new Image(); image7.src = "schema_imgs/btns/gallery_up.png";
var image8 = new Image(); image8.src = "schema_imgs/btns/gallery_over.png";
var image9 = new Image(); image9.src = "schema_imgs/btns/home_up.png";
var image10 = new Image(); image10.src = "schema_imgs/btns/home_over.png";
var image11 = new Image(); image11.src = "schema_imgs/btns/join_up.png";
var image12 = new Image(); image12.src = "schema_imgs/btns/join_over.png";
var image13 = new Image(); image13.src = "schema_imgs/btns/letters_up.png";
var image14 = new Image(); image14.src = "schema_imgs/btns/letters_over.png";
var image15 = new Image(); image15.src = "schema_imgs/btns/map_up.png";
var image16 = new Image(); image16.src = "schema_imgs/btns/map_over.png";
var image17 = new Image(); image17.src = "schema_imgs/btns/news_up.png";
var image18 = new Image(); image18.src = "schema_imgs/btns/news_over.png";
var image19 = new Image(); image19.src = "schema_imgs/btns/plans_up.png";
var image20 = new Image(); image20.src = "schema_imgs/btns/plans_over.png";