function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function nad(obr) 
{
  {img=eval(obr+"_on.src");
  document[obr].src = img;
  }
}

function prec(obr) {
   img=eval(obr+"_off.src");
    document[obr].src = img;
   }
   
Image1_on = new Image();
Image1_on.src ="images/menu_profil_o.gif";
Image1_off = new Image();
Image1_off.src="images/menu_profil.gif";

Image2_on = new Image();
Image2_on.src ="images/menu_komodity_o.gif";
Image2_off = new Image();
Image2_off.src="images/menu_komodity.gif";

Image3_on = new Image();
Image3_on.src ="images/menu_kontakt_o.gif";
Image3_off = new Image();
Image3_off.src="images/menu_kontakt.gif";

Image4_on = new Image();
Image4_on.src ="images/menu_partneri_o.gif";
Image4_off = new Image();
Image4_off.src="images/menu_partneri.gif";

Image5_on = new Image();
Image5_on.src ="../images/menu_profil_o.gif";
Image5_off = new Image();
Image5_off.src="../images/menu_profil.gif";

Image6_on = new Image();
Image6_on.src ="../images/menu_komodity_o.gif";
Image6_off = new Image();
Image6_off.src="../images/menu_komodity.gif";

Image7_on = new Image();
Image7_on.src ="../images/menu_kontakt_o.gif";
Image7_off = new Image();
Image7_off.src="../images/menu_kontakt.gif";

Image8_on = new Image();
Image8_on.src ="../images/menu_partneri_o.gif";
Image8_off = new Image();
Image8_off.src="../images/menu_partneri.gif";