function Browser() {
	var b=navigator.appName;
    var agt=navigator.userAgent.toLowerCase();
	var ua=navigator.userAgent.toLowerCase();
	if (b=="Netscape") this.b="ns";
	else if ((b=="Opera") || (navigator.userAgent.indexOf("Opera")>0)) this.b = "opera";
	else if (b=="Microsoft Internet Explorer") this.b="ie";
	if (!b) alert('Unidentified browser./nThis browser is not supported');
	this.version=navigator.appVersion;
	this.v=parseInt(this.version);
	this.ns=(this.b=="ns" && this.v>=4);
	this.ns4=(this.b=="ns" && this.v==4);
    this.ns6=(this.b=="ns" && this.v==5 && (agt.indexOf("netscape6/6") != -1));
    this.ns6up=(this.b=="ns" && this.v>=5 && (agt.indexOf("netscape") != -1));
    this.ns7=(this.b=="ns" && this.v==5 && (agt.indexOf("netscape/7") != -1));
    this.ns7up=(this.ns6up && !this.ns6);
    this.ie=(this.b=="ie" && this.v>=4);
	this.ie4=(this.version.indexOf('MSIE 4')>0);
	this.ie5=(this.version.indexOf('MSIE 5')>0);
	this.ie55=(this.version.indexOf('MSIE 5.5')>0);
	this.ie6=(this.version.indexOf('MSIE 6')>0);
	this.opera=(this.b=="opera");
    this.aol=(agt.indexOf("aol") != -1);
    this.aol5=(agt.indexOf("aol 5") != -1);
    this.aol6=(agt.indexOf("aol 6") != -1);
    this.gecko = (agt.indexOf('gecko') != -1);
	this.win32=(ua.indexOf("win")>-1);
	this.mac=(ua.indexOf("mac")>-1);
}
is = new Browser();

function load_css(){
if (is.ie) document.write('<link rel="stylesheet" type="text/css" href="includes/ie.css">');
else document.write('<link rel="stylesheet" type="text/css" href="includes/ns.css">');
}

		function rollOff(navId) {
			//	alert(navId);
			if(navId!=primaryTab) document.getElementById(navId).className='NavOff';
		}
		function MM_swapImgRestore() { //v3.0
		  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
		}
		
		function MM_preloadImages() { //v3.0
		  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
			var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
			if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
		}
		
		function MM_findObj(n, d) { //v4.01
		  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
			d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
		  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
		  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
		  if(!x && d.getElementById) x=d.getElementById(n); return x;
		}
		
		function MM_swapImage() { //v3.0
		  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
		   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
		}