//define button images
if(document.images) {
image11=new Image;
image12=new Image;
image21=new Image;
image22=new Image;
image31=new Image;
image32=new Image;
image41=new Image;
image42=new Image;
image51=new Image;
image52=new Image;
image61=new Image;
image62=new Image;
image71=new Image;
image72=new Image;
image81=new Image;
image82=new Image;
image91=new Image;
image92=new Image;
//source button images
image11.src="images/services1.gif";
image12.src="images/services2.gif";
image21.src="images/doctors1.gif";
image22.src="images/doctors2.gif";
image31.src="images/request1.gif";
image32.src="images/request2.gif";
image41.src="images/hospitals1.gif";
image42.src="images/hospitals2.gif";
image51.src="images/faq1.gif";
image52.src="images/faq2.gif";
image61.src="images/locations1.gif";
image62.src="images/locations2.gif";
image71.src="images/careers1.gif";
image72.src="images/careers2.gif";
image81.src="images/insurance1.gif";
image82.src="images/insurance2.gif";
image91.src="images/contact1.gif";
image92.src="images/contact2.gif";
}
//MouseOver Function
function swapImg(imgLocation, imgName) {
if(document.images) {
document.images[imgLocation].src=eval(imgName + ".src");
  }
}
var show = new Array();
show['services']=0;
show['doctors']=0;

//Reload on resize
var origWidth, origHeight;
if (document.layers) {
 origWidth = window.innerWidth;
 origHeight = window.innerHeight;
 onresize = function() { if(innerWidth != origWidth || innerHeight != origHeight) location.reload(); }
} else {
 onresize = function() { window.location.reload(); }
}

function initEventHandlers () {
 if (document.layers) {
  document.services.onmouseover =  function () { show['services']=1; };  document.services.onmouseout = function () {preHide('services'); }
  document.doctors.onmouseover =  function () { show['doctors']=1; };  document.doctors.onmouseout = function () {preHide('doctors'); }
 }
}

function preHide(menu) {
 window.status=''
 show[menu]=0;
 setTimeout("hideMenu('" + menu + "')",400);
 return true;
}

function preShow(menu,desc) {
 window.status=desc;
 show[menu]=1;
 hideAll();
 showMenu(menu);
 return true;
}

function hideMenu(menu) {
 if (show[menu]==0) {
  if (document.layers) {
   document.layers[menu].visibility = 'hidden';
  } else if (document.all) {
   document.all[menu].style.visibility = 'hidden';
  } else if (document.getElementById) {
   document.getElementById(menu).style.visibility = 'hidden';
  }
 }
}

function showMenu(menu) {
 if (document.layers) {
  document.layers[menu].visibility = 'visible';
 } else if (document.all) {
  document.all[menu].style.visibility = 'visible';
 } else if (document.getElementById) {
  document.getElementById(menu).style.visibility = 'visible';
 }
}

function hideAll() {
 hideMenu('services');
 hideMenu('doctors');
 show['services']=1;
 show['doctors']=1;
}