var ua = navigator.userAgent.toLowerCase();
var isNetscape = false;
this.isIE          = (ua.indexOf('msie') != -1 && !this.isOpera && (ua.indexOf('webtv') == -1) ); 
this.isNS          = ( (this.isGecko) ? (ua.indexOf('netscape') != -1) : ( (ua.indexOf('mozilla') != -1) && !this.isOpera && !this.isSafari && (ua.indexOf('spoofer') == -1) && (ua.indexOf('compatible') == -1) && (ua.indexOf('webtv') == -1) && (ua.indexOf('hotjava') == -1) ) );
this.versionMinor = parseFloat(navigator.appVersion);
if (this.isNS) {
	isNetscape = true;
}
this.isNS4up = (this.isNS && this.versionMinor >= 4);
this.isIE4up = (this.isIE && this.versionMinor >= 4) || (this.isIE && this.versionMinor >= 4);
var javaSupport = this.isIE4up || this.isNS4up;

function openNewWindow(URLtoOpen, windowName, windowFeatures) { 
	if (javaSupport) {
		day = new Date();
		id = day.getTime();
  		newWindow=window.open(URLtoOpen, id, windowFeatures);
	}
}