function newImage(imgSrc)  {

 var imgName = new Image();
 imgName.src = imgSrc;

 return imgName;
}


var preloadFlag = false;


function loadImages()  {
  if (document.images)  {
    over1 = newImage("../images/executive_over.jpg");
    over2 = newImage("../images/securitySummit_over.jpg");
    over3 = newImage("../images/pastEvents_over.jpg");

    preloadFlag = true;
  }
}


function changeNav(nav, show)  {
  var e = document.getElementById(nav);

  if(show == 1)  {
    e.className = "";
  }
  else  {
    e.className = "hide";
  }
}

function showEventMore()  {
  var popHelp = window.open("popup.html", "eventPop", "height=545,width=602,channelmode=0,dependent=0,directories=0,fullscreen=0,location=0,menubar=0,resizable=0,scrollbars=0,status=0,toolbar=0");
  popHelp.focus();
}