var preloadFlag=0;
var prevNavImg = new Array();
function loadImages() {
 homeOver = new Image(); homeOver.src='img/nav-home-over.gif';
 playOver = new Image(); playOver.src='img/nav-play-over.gif';
 tourOver = new Image(); tourOver.src='img/nav-tour-over.gif';
 programsOver = new Image(); programsOver.src='img/nav-programs-over.gif';
 partnersOver = new Image(); partnersOver.src='img/nav-partners-over.gif';
 fundraisingOver = new Image(); fundraisingOver.src='img/nav-fundraising-over.gif';
 aboutOver = new Image(); aboutOver.src='img/nav-about-over.gif';
 preloadFlag=1;
}
function showMenu(object) {
 hideAll();
 if (preloadFlag) {
  prevNavImg[object] = document.getElementById(object).src;
  document.getElementById(object).src=eval(object+"Over.src");
 }
 if (document.getElementById('dd_'+object)) {
  show[object]=1;
  document.getElementById('dd_'+object).style.visibility='visible';
 }
}
function hideMenu(object) {
 if (show[object]==0) {
  if (prevNavImg[object]) {
   document.getElementById(object).src=prevNavImg[object];
  }
  document.getElementById('dd_'+object).style.visibility='hidden';
 }
}

var show = new Array();
show['play']=0;
show['tour']=0;
show['programs']=0;
show['partners']=0;
show['fundraising']=0;
show['about']=0;

function hideAll() {
 show['play']=0;
 show['tour']=0;
 show['programs']=0;
 show['partners']=0;
 show['fundraising']=0;
 show['about']=0;
 hideMenu('play');
 hideMenu('tour');
 hideMenu('programs');
 hideMenu('partners');
 hideMenu('fundraising');
 hideMenu('about');
}

function preHide(object) {
 show[object]=0;
 setTimeout("hideMenu('"+object+"')",1000);
}

var s=0;
function loadSlides(cSlide,slides) {
 s=slides;
 setTimeout("changeSlide(2)",4000);
 for (i=1;i<=s;i++) {
  eval("slide"+i+" = new Image(); slide"+i+".src='img/home/"+cSlide+".jpg';");
  if (cSlide<s) cSlide++; else cSlide=1;
 }
}

function changeSlide(slideNum) {
 if (eval("slide"+slideNum+".src")) {
  document.getElementById("slides").src=eval("slide"+slideNum+".src");
  if (slideNum<s) slideNum++; else slideNum=1;
 }
 setTimeout("changeSlide("+slideNum+")",4000);
}