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

function autoTab(input,len, e) {

		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;
}
	
function OnlyNumeral(num,e, type )
{
		// Make sure to use event.charCode if available
		var key = (typeof e.charCode == 'undefined' ? e.keyCode : e.charCode);
		
		// Ignore special keys 1102
		if ((e.ctrlKey || e.altKey || key > 57 || key < 48) && e.keyCode!=8 && e.keyCode!=46 && e.keyCode!=37 && e.keyCode!=38 && e.keyCode!=39 && e.keyCode!=40 && key!=0 ){
			return false;
		}

}