function newImg(i){p=new Image(); p.src=i; return p;}

m1 = newImg("/_img/lang_en_s.gif");
m1_o = newImg("/_img/lang_en_s_o.gif");

m2 = newImg("/_img/lang_ru_s.gif");
m2_o = newImg("/_img/lang_ru_s_o.gif");

function over(img) {
	document[img].src = eval(img + "_o.src");
}
function out(img) {
	document[img].src = eval(img + ".src");
}