var doc=document,win=window,sById=(doc.getElementById)?true:false;
// popup
function openWindow(url,name,props){var nw=win.open(url,name,props);nw.focus();}
function MM_openBrWindow(url,name,props){openWindow(url,name,props);}
function openVideoWindow(url,name){openWindow(url,name,'width=750,height=550,resizable=yes,scrollbars=auto,toolbar=no,loaction=no,menubar=no,status=no');}
function closeWindow(){var pw=win.opener;if(pw)pw.focus();win.close();}
// generic image load - rollovers
function gloadImages(srcs,fu){if(sById){if(!win.gimgs){win.gimgs=new Array();}var g=win.gimgs;for(var i=0;i<srcs.length;i++){var img=new Image();var nsrc=(!fu)?imgurl+srcs[i]:srcs[i];img.src=nsrc;g[g.length++]=img;}}}
function changeImageOn(url,name,fu){if(sById){var i=doc.getElementById(name);if(i){i.oSrc=i.src;if(!fu)url=imgurl+url;i.src=url;}}}
function changeImageOff(name){if(sById){var i=doc.getElementById(name);if(i)i.src=i.oSrc;}}
function windowLoaded(){gloadImages(gimages);}
// world now video player defaults
function displayVideoHelp(){var videohelppage=window.open('http://www.boston.com/wn/VideoHelp.htm','CONTENT');}
function playVideoClip(){displayVideoHelp();}
function playVideoClips(){displayVideoHelp();}
function checkLaunchVideo(){}