// JQUERY COMMANDS

var timeout    = 1000;
var closetimer = 0;
var ddmenuitem = 0;

function navigation_open()
{  navigation_canceltimer();
   navigation_close();
   ddmenuitem = $(this).find('div.menu').css('visibility', 'visible');
 }

function navigation_close()
{  if(ddmenuitem) {
   ddmenuitem.css('visibility', 'hidden');
   }
}

function navigation_timer()
{  closetimer = window.setTimeout(navigation_close, timeout);}

function navigation_canceltimer()
{  if(closetimer)
   {  window.clearTimeout(closetimer);
      closetimer = null;}}

$(document).ready(function(){  
  $('#navigation td').bind('mouseover', navigation_open)
  $('#navigation td').bind('mouseout',  navigation_timer)
});

document.onclick = navigation_close;

// REGULAR JS FUNCTIONS

function r_on(i) {
  if (document.images) { 
    if (document[i].src.indexOf("down") < 0) {
      document[i].src = "/images/" + i + "_over.gif"; 
    }
  }
}

function r_off(i) {
  if (document.images) { 
    if (document[i].src.indexOf("down") < 0) {
      document[i].src = "/images/" + i + ".gif"; 
    }
  }
}


function s_on(i) {
  if (document.images) { 
    if (document[i].src.indexOf("down") < 0) {
      document[i].src = "images/" + i + "_over.gif"; 
    }
  }
}

function s_off(i) {
  if (document.images) { 
    if (document[i].src.indexOf("down") < 0) {
      document[i].src = "images/" + i + ".gif"; 
    }
  }
}


function writeDate() {
  document.write(new Date().getFullYear());
}