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=500,height=400,scrollbars=no');
		return false;
}

function popup2(mylink, windowname, myWidth, myHeight)
	{
		if (! window.focus) return true;
		var href;
		if (typeof(mylink) == 'string')
			href=mylink;
		else
			href=mylink.href;

		window.open(href, windowname, 'width=' + myWidth + ',height=' + myHeight + 'scrollbars=no');
		//window.open(href, windowname, 'width=500,height=450,scrollbars=no');
		return false;
}