function show(object) {
	hza = document.getElementById(object); 
	hza.style.display = 'inline';
}

function hide(object) {
	hza = document.getElementById(object); 
	hza.style.display = 'none';
}

function NewWindow(mypage, myname, w, h, scroll) {
var winl = (screen.width - w) / 2;
var wint = (screen.height - h) / 2;
winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+''
win = window.open(mypage, myname, winprops)
if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}