/*
alert("Application Code Name : " + navigator.appCodeName );
alert("Application Name : " + navigator.appName );
alert("Application Version : " + navigator.appVersion );
alert("Application Platform : " + navigator.platform );
alert("Application User Agent : " + navigator.userAgent );
*/

// var isNN = (navigator.appName.indexOf("Netscape") != -1);

/*
Removing autotab feature on rhose browsers:

Mozilla/4.7C-SGI [en] (X11; I; IRIX 6.5 IP32)
Mozilla/4.75 [en] (X11; U; SunOS 5.8 sun4u)
Mozilla/4.7 [en] (X11; I; SunOS 5.7 sun4u)
Mozilla/4.73 [en] (X11; I; Linux 2.2.16 i586; Nav)
Mozilla/4.7 [en] (X11; I; Linux 2.2.15-2.9.0 ppc)
Mozilla/4.5 [en] (X11; I; Linux 2.2.10 i686; Nav)
Mozilla/4.61 (Macintosh; I; PPC)
Mozilla/5.0 (Macintosh; N; PPC; en-US; m17) Gecko/20000817 Netscape6/6.0b2
Mozilla/4.75 [en] (X11; U; OSF1 V4.0 alpha; Nav)

*/


var isIE = (navigator.appName.indexOf("Microsoft") != -1);

function autoTab(input,len, e) {
	
	if (isIE) {
	
		var keyCode = e.keyCode; 
		var filter = [0,8,9,16,17,18,37,38,39,40,46];
		
		/*
		var keyCode = (isNN) ? e.which : e.keyCode; 
		var filter = (isNN) ? [0,8,9] : [0,8,9,16,17,18,37,38,39,40,46];
		*/
		
		if	(input.value.length >= len && !containsElement(filter,keyCode)) {
			input.value = input.value.slice(0, len);
			input.form[(getIndex(input)+1) % input.form.length].focus();
		}

		function containsElement(arr, ele) {
			
			var found = false, index = 0;
			
			while(!found && index < arr.length)
				if (arr[index] == ele)
					found = true;
				else
					index++;
				
			return found;
		}

		function getIndex(input) {
		
			var index = -1, i = 0, found = false;
			
			while (i < input.form.length && index == -1)
				if (input.form[i] == input)
					index = i;
				else
					i++;
			
			return index;
		}

		return true;
		
	}
}