var macie5 = false;
var netpoop = false;
var winIE = false;
macie4 = false;
browserVersion = parseInt(navigator.appVersion);

function is() {


var agt=navigator.userAgent.toLowerCase()
this.major = parseInt(navigator.appVersion)
this.minor = parseFloat(navigator.appVersion)
this.nav  = ((agt.indexOf('mozilla')!=-1) && ((agt.indexOf('spoofer')==-1)
&& (agt.indexOf('compatible') == -1)))
this.nav2 = (this.nav && (this.major == 2))
this.nav3 = (this.nav && (this.major == 3))
this.nav4 = (this.nav && (this.major == 4))
this.nav4up = this.nav && (this.major >= 4)
this.navonly  = (this.nav && (agt.indexOf(";nav") != -1))
this.ie   = (agt.indexOf("msie") != -1)
this.ie3  = (this.ie && (this.major == 2))
this.ie4  = (this.ie && (this.major == 4))
this.ie5 = (this.ie && (navigator.appVersion.indexOf('MSIE 5.0')!=-1));
this.ie4up  = this.ie  && (this.major >= 4)
this.opera = (agt.indexOf("opera") != -1)
if (this.nav2 || this.ie3) this.js = 1.0
else if (this.nav3 || this.opera) this.js = 1.1
else if (this.nav4 || this.ie4) this.js = 1.2
else if ((this.nav && (this.minor > 4.05)) || (this.ie && (this.major > 4))) 
 this.js = 1.2
else this.js = 0.0
this.win   = ( (agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1) )
this.win95 = ((agt.indexOf("win95")!=-1) || (agt.indexOf("windows 95")!=-1))
this.win16 = ((agt.indexOf("win16")!=-1)
   || (agt.indexOf("16bit")!=-1) || (agt.indexOf("windows 3.1")!=-1)
   || (agt.indexOf("windows 16-bit")!=-1) )  

this.win31 = (agt.indexOf("windows 3.1")!=-1) || (agt.indexOf("win16")!=-1) ||
 (agt.indexOf("windows 16-bit")!=-1)
this.win98 = ((agt.indexOf("win98")!=-1)||(agt.indexOf("windows 98")!=-1))
this.winnt = ((agt.indexOf("winnt")!=-1)||(agt.indexOf("windows nt")!=-1))
this.win32 = this.win95 || this.winnt || this.win98 || 
 ((this.major >= 4) && (navigator.platform == "win32")) ||
 (agt.indexOf("win32")!=-1) || (agt.indexOf("32bit")!=-1)
this.mac= (agt.indexOf("mac")!=-1)
this.mac68k = this.mac && ((agt.indexOf("68k")!=-1) || 
   (agt.indexOf("68000")!=-1))
this.macppc = this.mac && ((agt.indexOf("ppc")!=-1) || 
   (agt.indexOf("powerpc")!=-1))
}



if(browserVersion >= 4){

	var is;
	var isie3mac = false;
	if ((navigator.appVersion.indexOf("mac")!=-1) && (navigator.userAgent.indexOf("msie")!=-1) && (parseInt(navigator.appVersion)==3)){
	 isie3mac = true;
	 }
	else{
	 is = new is(); 
	 }
	 
	
	
	
	if ((is.mac) && (is.ie5) || (is.nav3)){
		//alert("its a mac ie5");
		macie5 = true;
		}
		
		if((is.mac) && (is.ie4) && (!macie5)){
		macie4 = true;
		//alert('mac ie 4x');
	}
	
		
	if(is.nav4up){
		//alert('netpoop');
		netpoop = true;
		}
		
	if(is.win98 && is.ie){
		
		winIE = true;
		//alert('ie on win');
	}	
}
//alert(is.major);