function popup(mylink, windowname){
	if (!window.focus) return true;
	var href;
	if (typeof(mylink) == 'string') href = mylink;
	else href = mylink.href;
	window.open(href, windowname, 'width=250,height=200,scrollbars=yes');
	return false;
}

function popup2(mylink, windowname) {
	if (!window.focus) return true;
	var href;
	if (typeof(mylink) == 'string') href = mylink;
	else href = mylink.href;
	window.open(href, windowname, 'width=310,height=100,scrollbars=no');
	return false;
}

function NewWindow(mypage,myname,w,h,scroll){
	LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
	settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable'
	win = window.open(mypage,myname,settings)
}