//onimg = new Image();
//onimg.src = "images/onbutton.gif";

function swapon(it, img){
	it.src = "images/but-" + img + "u.gif";
}

function swapoff(it, img){
	it.src = "images/but-" + img + ".gif";
}

function showsample(page){
	window.open('http://' + page,'samplepage','width=700');
}