function getObj(id) {
  var retobj = null;
  if (document.all && document.all[id]) retobj = document.all[id];
  else if (document.getElementById && document.getElementById(id)) retobj = document.getElementById(id);
  return retobj;	
}

function changeImg(id,onoff) {
  if (document.images && document.images[id]) {
    var ovr = "";
    if (onoff) ovr = "_over";
    document.images[id].src = "/images/"+id+ovr+".gif";
  }
}

function changeBg(img) {
  if (!img) img = 'top';
  var cell = getObj('topCell');
  cell.style.backgroundImage = 'url(/images/logo-'+ img +'.gif)';
}

function preloadImage(src) {
  var img = new Image;
  img.src = "/images/"+src;
  return img;	
}

function preloadImages() {
  var imgs = new Array('button1_over.gif',
                       'button2_over.gif',
                       'button3_over.gif',
                       'button4_over.gif',
                       'button5_over.gif',
                       'button1b_over.gif',
                       'button2b_over.gif',
                       'button3b_over.gif',
                       'button4b_over.gif',
                       'button5b_over.gif',
                       'resources_over.gif',
                       'logo-lifeline.gif',
                       'logo-auto.gif',
                       'logo-vet.gif',
                       'logo-plan.gif',
                       'logo-home.gif');	
  for (var i=0; i < imgs.length; i++)
    preloadImage(imgs[i]);
}

function goToSpot(a) {
	var loc = document.location.href;
	loc = loc.replace(/#.+/,'');
	document.location.href = loc+'#'+a;
	return;	
}

function catPage(a,b) {
	var c = b.replace(/Access.+/,'Access');
	c += a;
	document.location.href='/Merchant2/merchant.mvc?Screen=CTGY&Category_Code='+c;
	return;
}