// generic preload 

function newImage(arg) {
if (document.images) {
rslt = new Image();
rslt.src = arg;
return rslt;
}
}

function changeImages() {
if (document.images && (preloadFlag == true)) {
for (var i=0; i<changeImages.arguments.length; i+=2) {
document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
}
}
}

var preloadFlag = false;
function preloadImages() {
if (document.images) {
blurbo00 = newImage("/assets/images/blurbo00.gif");
blurbo01 = newImage("/assets/images/blurbo01.gif");
blurbo02 = newImage("/assets/images/blurbo02.gif");
blurbo03 = newImage("/assets/images/blurbo03.gif");
blurbo04 = newImage("/assets/images/blurbo04.gif");
blurbo05 = newImage("/assets/images/blurbo05.gif");
blurbo06 = newImage("/assets/images/blurbo06.gif");
preloadFlag = true;
}
}

// toggle visibility 

function toggle( targetId ){
  if (document.getElementById){
  		target = document.getElementById( targetId );
  			if (target.style.display == "none"){
  				target.style.display = "";
  			} else {
  				target.style.display = "none";
  			}
  	}
}