fpic1=new Image;
 fpic1.src="./images/menu_firma_04.gif";
 fpic1n=new Image;
 fpic1n.src="./images/fmenu_firma_04.gif";

 fpic2=new Image;
 fpic2.src="./images/menu_firma_07.gif";
 fpic2n=new Image;
 fpic2n.src="./images/fmenu_firma_07.gif";

 fpic3=new Image;
 fpic3.src="./images/menu_firma_09.gif";
 fpic3n=new Image;
 fpic3n.src="./images/fmenu_firma_09.gif";

 fpic4=new Image;
 fpic4.src="./images/menu_firma_11.gif";
 fpic4n=new Image;
 fpic4n.src="./images/fmenu_firma_11.gif";
function si(Name,Img) {
    document.images[Name].src=eval(Img+'.src');
  }