function imgPreload(){
 var imgs = new Array('home.gif','homeon.gif','clients.gif','clton.gif','contact.gif','conton.gif','faq.gif','faqon.gif','gallery.gif','galon.gif','equip.gif','equipon.gif');
 var loaded = new Array();
 for (i=0; i<imgs.length; i++){
  loaded[i] = new Image();
  loaded[i].src = 'images/menu/'+imgs[i];
 }
}

function swapImg(obj, what){
 obj.src = what;
}

function showFAQ(obj){
 var ans = obj.nextSibling;
 while(ans.nodeName!='DIV') ans = ans.nextSibling;
 ans.style.display = (ans.style.display=='none') ? 'block' : 'none';
}
 
function goToFAQ(num){
 var locStr = 'faq.asp#';
 var FAQs = new Array('','','about','payments','policies','parttime','spcl');

 if(num<2) alert('Please select a valid FAQ.');
 else document.location.href = locStr+FAQs[num];
}

function closeFAQs(){
 var ans = getElementsByClass('faqAns');
 for(i=0; i<ans.length; i++) ans[i].style.display = 'none';
}

function openFAQs(){
 var ans = getElementsByClass('faqAns');
 for(i=0; i<ans.length; i++) ans[i].style.display = 'block';
}

function getElementsByClass(which){
 var allTags = document.getElementsByTagName('*');
 var classArr = new Array();
 for(i=0; i<allTags.length; i++){
  if(allTags[i].className==which) classArr.push(allTags[i]);
 }
 return classArr;
}