//browser detection, OS detection (Macintosh)
var IE4=0; var IE5=0; var NS4=0; var NS6=0; var Opera=0; var Mac=0; var Moz=0;
if (navigator.userAgent.indexOf('Opera') != -1) { Opera=1;
} else if(document.getElementById) {
	if ((navigator.userAgent.indexOf('Gecko') != -1)&&(navigator.userAgent.indexOf('etscape') == -1)) { Moz=1;
	} else if (navigator.userAgent.indexOf('Gecko') != -1) { NS6=1;
	} else { IE5=1; }
} else if(document.all) { IE4=1;
} else if(document.layers) { NS4=1; }
if(navigator.appVersion.indexOf('Mac') != -1) { Mac=1; }
//end browser detection