// JavaScript Document

function ShowItem (itemID) {
 	var x = document.getElementById(itemID);
  	if (x)
    	x.style.visibility = "visible";
		
  	return true;
}

function HideItem (itemID) { 
  	var x = document.getElementById(itemID);
  	if (x)
     	x.style.visibility = "hidden";
		
  	return true;

}

function swapImage(imgID, newImg){
	var i = document.getElementById(imgID);
	if (i)
		i.src = newImg;
}

function showOverImage (imgID, newImg){
	var i=document.getElementById(imgID);
	if (i)
		i.src = newImg;
}