var macbug = (navigator.userAgent.indexOf("Mac") > -1 && !document.all) ? true: false;


function popup(url, scroll){
	var scrollable;
	(scroll && macbug)? scrollable=",SCROLLBARS=yes": scrollable="";
	(scroll && !macbug)? scrollable=",SCROLLBARS": scrollable="";
	newwin = window.open(url, "winpopup2","WIDTH=500,HEIGHT=400" + scrollable);
	newwin.focus();
}