function Browser(){
	var ua = navigator.userAgent.toLowerCase(); 
	this.Gecko = (ua.indexOf('gecko') != -1 && ua.indexOf('safari') == -1);
	this.Safari = (ua.indexOf('safari') != - 1);
	this.IE = (ua.indexOf('msie') != -1 && !this.Opera && (ua.indexOf('webtv') == -1) ); 
	this.Mozilla = (this.Gecko && ua.indexOf('gecko/') + 14 == ua.length);
	this.Firefox = ( (ua.indexOf('firebird/') != -1) || (ua.indexOf('firefox/') != -1) );
	this.NS = ( (this.Gecko) ? (ua.indexOf('netscape') != -1) : ( (ua.indexOf('mozilla') != -1) && !this.Opera && !this.Safari && (ua.indexOf('spoofer') == -1) && (ua.indexOf('compatible') == -1) && (ua.indexOf('webtv') == -1) && (ua.indexOf('hotjava') == -1) ) );
	this.IECompatible = ( (ua.indexOf('msie') != -1) && !this.IE);
	this.NSCompatible = ( (ua.indexOf('mozilla') != -1) && !this.NS && !this.Mozilla);
	this.geckoVersion = ( (this.Gecko) ? ua.substring( (ua.lastIndexOf('gecko/') + 6), (ua.lastIndexOf('gecko/') + 14) ) : -1 );
	this.equivalentMozilla = ( (this.Gecko) ? parseFloat( ua.substring( ua.indexOf('rv:') + 3 ) ) : -1 );
	this.versionMinor = parseFloat(navigator.appVersion); 
	if (this.Gecko && !this.Mozilla) this.versionMinor = parseFloat( ua.substring( ua.indexOf('/', ua.indexOf('gecko/') + 6) + 1 ) );
	else if (this.Mozilla) this.versionMinor = parseFloat( ua.substring( ua.indexOf('rv:') + 3 ) );
	else if (this.IE && this.versionMinor >= 4) this.versionMinor = parseFloat( ua.substring( ua.indexOf('msie ') + 5 ) );
	else if (this.Safari) this.versionMinor = parseFloat( ua.substring( ua.lastIndexOf('safari/') + 7 ) );
	this.versionMajor = parseInt(this.versionMinor); 
	this.DOM1 = (document.getElementById);
	this.DOM2Event = (document.addEventListener && document.removeEventListener);
	this.mode = document.compatMode ? document.compatMode : 'BackCompat';
	this.Win = (ua.indexOf('win') != -1);
	this.Mac = (ua.indexOf('mac') != -1);
	this.NS6x = (this.NS && this.versionMajor == 6);
	this.NS6up = (this.NS && this.versionMajor >= 6);
	this.NS7up = (this.NS && this.versionMajor >= 7);
	this.IE4 = (this.IE && this.versionMajor == 4);
	this.IE5 = (this.IE && this.versionMajor == 5);
	this.IE55 = (this.IE && this.versionMinor == 5.5);
	this.IE5up = (this.IE && this.versionMajor >= 5);
	this.IE6x = (this.IE && this.versionMajor == 6);
	this.IE6up = (this.IE && this.versionMajor >= 6);
}
var is = new Browser();

function externalLinks() {
	if (!document.getElementsByTagName) return;
	var anchors = document.getElementsByTagName("a");
	for (var i=0; i<anchors.length; i++) {
		var anchor = anchors[i];
		if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external"){
			anchor.target = "_blank";
		}
	}
}


function PopItUp(src, w, h, s) {
	var popwin;
	var l;
	var t;
	
	(s)? w+=17: w;
	
	l = parseInt((screen.width - w)/2);
	t = parseInt((screen.height - h)/2);
	
	popwin	= window.open(src,"","toolbar=0, width=" + w + ", height=" + h + ", location=0, directories=0, status=1, scrollbars="+s+", menubar=0, resizable=0, copyhistory=0, left=" + l + ", top=" + t);
	popwin.focus();
	
	return false;
}




window.onload=function(){
	externalLinks();
	
}