function preloadImages() {
	if( document.images) {
		var imgFiles = preloadImages.arguments;
		var preloadArray = new Array();
		for( var i=0; (i < imgFiles.length); i++) {
			preloadArray[i] = new Image;
			preloadArray[i].src = imgFiles[i];
		}
	}
}

function swap( id, newsrc) {
	var theImage = locateImage(id);
	if( theImage) {
		theImage.src = newsrc;
	}
}

function locateImage( name) {
	var theImage = false;
	if( document.images) {
		theImage = document.images[name];
	}
	if( theImage) {
		return theImage;
	}
	return (false);
}

function displayMenu( currentMenu) {
	var thisMenu = document.getElementById(currentMenu).style;
	if(thisMenu.display == "block") {
		thisMenu.display = "none";
	} else {
		thisMenu.display = "block";
	}
	return false;
}
  
function goToPage(target, page) {
  open(page, target);
}