function popup(myname, mypage, mywidth, myheight, scroll) {
	var winl = (screen.width - mywidth) / 2;
	var wint = (screen.height - myheight) / 2;
	winprops = 'height='+myheight+',width='+mywidth+',top='+wint+',left='+winl+',resizable=1,scrollbars='+scroll;
	win = window.open(mypage, myname, winprops);
	win.window.focus();
}

function printpopup(myname, mypage) {
	mywidth  = 600;
	myheight = 450;
	var winl = (screen.width - mywidth) / 2;
	var wint = (screen.height - myheight) / 2;
	winprops = 'height='+myheight+',width='+mywidth+',top='+wint+',left='+winl+',resizable=1,scrollbars=1,toolbar=0,location=0,menubar=1';
	win = window.open(mypage, myname, winprops);
	win.window.focus();
}