function change()
{
if (document.all){ 
var oItem
oItem = window.event.srcElement.id
if (oItem == "img1")
	{
		img1.style.display = "none";
		img1b.style.display = "inline";
	}
else if (oItem == "img2")
	{
		img2.style.display = "none";
		img2b.style.display = "inline";
	}
else if (oItem == "img3")
	{
		img3.style.display = "none";
		img3b.style.display = "inline";
	}}
}

function restore()
{
if (document.all){
var oItem
oItem = window.event.srcElement.id
if (oItem == "img1b")
	{
		img1.style.display = "inline";
		img1b.style.display = "none";	
	}
else if (oItem == "img2b")
	{
		img2.style.display = "inline";
		img2b.style.display = "none";
	}
else if (oItem == "img3b")
	{
		img3.style.display = "inline";
		img3b.style.display = "none";
	}}
}