$(document).ready(function(){
                $("#main_menu td a").hover(
  function () { $(this).parent().css("background-position" ,"top right" )  },
  function () {  $(this).parent().css("background-position" ,"bottom  right" )    });
           })



 function select_home() {
 var obj2=document.getElementById("main_menu") ;
var elements2 =  obj2.getElementsByTagName("a");
 elements2[0].parentNode.style.backgroundImage="url('imagesN/reka_main_middle_black2.gif')" ;
  document.getElementById("home").src="imagesN/home_on.png" ;
   }

 function select_menu () {
 var page=window.location.href ;

if (document.getElementById("menu_div")) {
var obj3=document.getElementById("menu_div") ;
var elements3 =  obj3.getElementsByTagName("a");
for (i=0; i <elements3.length ; i++) {
kuku=page.indexOf(elements3[i].href) ;
if (kuku >= 0 )  break  ;
}
page=elements3[0].href ;
elements3[i].parentNode.style.backgroundImage="url('imagesN/black_arrow.gif')" ;
//elements3[i].parentNode.style.backgroundRepeat="no-repeat" ;
elements3[i].style.color="white" ;
 }


// check if page appears in logo


var obj1=document.getElementById("logo") ;
var elements1 =  obj1.getElementsByTagName("a");
for (i=0; i <elements1.length ; i++) {
kuku=page.indexOf(elements1[i].href) ;
if (kuku >= 0 )  break  ;
}

if (kuku >= 0 ) {  // top right menu
elements1[i].style.backgroundColor="black" ;
elements1[i].style.color="white" ; }

else {

var obj2=document.getElementById("main_menu") ;
var elements2 =  obj2.getElementsByTagName("a");
for (i=0; i <elements2.length ; i++) {
kuku=page.indexOf(elements2[i].href) ;
if (kuku >= 0 )  break  ;
}

if (kuku >= 0 ) {  // top right menu

if(elements2[i].parentNode.className=="right") elements2[i].parentNode.style.backgroundImage="url('imagesN/reka_black_black.gif')" ;
else elements2[i].parentNode.style.backgroundImage="url('imagesN/reka_main_middle_black2.gif')" ;
//else elements2[i].parentNode.className="td_middle" ;
//elements2[i].parentNode.style.backgroundImage="url('imagesN/reka_main_middle_black2.gif')" ;
elements2[i].style.color="white" ; }

}}


function openwin(str) {
gwindow=window.open (str,'ww',"resizable,width=500,height=500" ) ;
gwindow.focus();}


function mailpage()
{
mail_str = "mailto:?subject=Check out the " + document.title;
mail_str += ". You can view it at, " + location.href;
location.href = mail_str;
}