//javascript for drop down butoons

function t0(x)
{
//onmouseover
btn = document.getElementById(x + "1");
btn.src = "../graphics/" + x + "1.png";
document.getElementById(x+'2').style.display="block";
}

function t1(x)
{
//onmouseout
btn = document.getElementById(x +"1");
btn.src = "../graphics/" + x + "0.png";
document.getElementById(x+'2').style.display="none";
}
function expand (obj)
{

	//hide right hand text item
	//alert("hello");
	
	document.getElementById('cright-text').style.display = "none";

	//large.src= obj.src;
	// and display it
	
	document.getElementById('cright-image').style.display="block";

	//get fullsize image and give it focus
	var large = document.getElementById('fullsize');
	large.focus();


	//change its image source
	z=obj.src.indexOf('tmb',0);
	large.src=obj.src.substring(0,z)+".jpg";
}
function collapse ()
{
	//hide full size image
	//alert("goodbye");
	document.getElementById('cright-image').style.display="none";
	//and restore right hand text
	document.getElementById('cright-text').style.display="block";
}