// JavaScript Document

function ChangeImage(Id, ImageToShow)
{
	document.getElementById(Id).src=ImageToShow;
}

function showElement(elementToShow)
{
    document.getElementById(elementToShow).style.display='block';
}

function hideElement(elementToHide)
{
    document.getElementById(elementToHide).style.display='none';
}

function goBack()
{
	  history.go(-1); 
}

function preloadImage(imagePath)
{
  var newImage = new Image();
  newImage.src = imagePath;
}