var img1=new Image(); img1.src='/images/menu_main2.gif';
var img2=new Image(); img2.src='/images/menu_about2.gif';
var img3=new Image(); img3.src='/images/menu_technologies2.gif';
var img4=new Image(); img4.src='/images/menu_equipment2.gif';
var img5=new Image(); img5.src='/images/menu_magnit2.gif';
var img6=new Image(); img6.src='/images/menu_representations2.gif';
var img7=new Image(); img7.src='/images/menu_contacts2.gif';