function caps(){
		    var UA = navigator.userAgent;
		    if(UA.indexOf("MSIE") != -1)
		    {
		        this.ie = true;
		        this.v = UA.charAt(UA.indexOf("MSIE") + 5);
		        if( this.v == 2 ) this.ie2 = true;
		        else if( this.v == 3 ) this.ie3 = true;
		        else if( this.v == 4 ) this.ie4 = true;
		        else if( this.v == 5 ) this.ie5 = true;
		        else if( this.v == 6 ) this.ie6 = true;
		        else if( this.v == 7 ) this.ie7 = true;
		        else if( this.v == 8 ) this.ie8 = true;
		    }
		    else if(UA.indexOf("Mozilla") != -1 && UA.indexOf("compatible") == -1)
		    {
		        this.nav = true;
		        var v = UA.charAt(UA.indexOf("Mozilla") + 8);
		        if(v == 2 ) this.nav2 = true;
		        else if(v == 3 ) this.nav3 = true;
		        else if(v == 4 ) this.nav4 = true;
		        else if(v == 5 ) this.nav5 = true;
		    }
		    if(UA.indexOf("Windows 95") != -1 || UA.indexOf("Win95") != -1 || UA.indexOf("Win98") != -1 || UA.indexOf("Windows 98") != -1 || UA.indexOf("Windows NT") != -1) this.win32 = true;
		    else if(UA.indexOf("Windows 3.1") != -1 || UA.indexOf("Win16") != -1) this.win16 = true;
		    else if(UA.indexOf("Mac") != -1) this.anymac = true;
		    else if(UA.indexOf("SunOS") != -1 || UA.indexOf("HP-UX") != -1 || UA.indexOf("X11") != -1) this.unix = true;
		    else if(UA.indexOf("Windows CE") != -1) this.wince = true;
		}

		var bc = new caps();