var currentBrows = null, currentVersion = 0;

	function browser() {
		var bMSIE = false;
		var bMSIE3 = false, bMSIE4 = false, bMSIE4_beta = false, bMSIE4_01 = false, bMSIE5 = false, bMSIE6 = false;
		var bNetscape = false;
		var bNetscape_2 = false, bNetscape_3 = false, bNetscape_4 = false;
	    var ua = navigator.userAgent;
	    var an = navigator.appName;
	
	    // Is it IE?
	    bMSIE = (ua.indexOf("MSIE")>=1);
	    if (bMSIE) {
			currentBrows = "MSIE";
	        // IE3
	        bMSIE3 = (ua.indexOf("MSIE 3.0")>=1); currentVersion = 3;
	
	        // IE4
	        var iMSIE4 = ua.indexOf("MSIE 4.0");
	        bMSIE4 = (iMSIE4>=1);
	        if (bMSIE4) {
				currentVersion = 4;
	            var sMinorVer = ua.charAt(iMSIE4+8);
	            // Some folks are still running an IE4 beta!
	            // (the Mac IE team used a 'p' to mark their beta)
	            bMSIE4_beta = bMSIE4 && ((sMinorVer == "b") || (sMinorVer == "p"));
	
	            // IE4.01
	            bMSIE4_01 = bMSIE4 && (sMinorVer == "1");
	        }
	        // IE5
	        bMSIE5 = (ua.indexOf("MSIE 5.0")>=1);
			currentVersion = 5;
	    }
		// Or is it Memorex?
	    else if (an == "Netscape") {
	        bNetscape = true;
			currentBrows = "Netscape";
	        appVer = parseInt(navigator.appVersion);
	        if (appVer >= 4) {
	            bNetscape_4 = true; currentVersion = 4;
			}
	        else if (appVer >= 3) {
	            bNetscape_3 = true; currentVersion = 3;
			}
	        else {
	            bNetscape_2 = true; currentVersion = 2;
			}
	    }
	}