// JavaScript Document
// JavaScript Document

function changeImage(src, target){
	targetImage = document.getElementById(target);
	if(targetImage != null){
		targetImage.src = src;
	}
}

function hideElement(target){
	element = document.getElementById(target);
	if(element != null){
		element.style.display = "none";
	}
}
function displayElement(target){
	element = document.getElementById(target);
	if(element != null){
		element.style.display = "block";
	}
}