//<!-- Original:  Cyanide_7 (leo7278@hotmail.com) -->
//<!-- Web Site:  http://members.xoom.com/cyanide_7 -->

//<!-- This script and many more are available free online at -->
//<!-- The JavaScript Source!! http://javascript.internet.com -->

//<!-- Begin
//Tis is auto tab
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;
}
//  End -->

function emailValidate(emailIn){
	if(emailIn.value.length==0){
		return (false);
	}else{
		with(emailIn){
			apos=emailIn.value.indexOf("@");
			dotpos=emailIn.value.lastIndexOf(".");
			if (apos<1||dotpos-apos<2){
				return (false);
			}else{
				return (true);
			}
		}
	}
}
function isInt(str){
	var i = parseInt (str);

	if (isNaN (i)){
		return false;
	}

	i = i . toString();
	if (i != str){
		return false;
	}
	return true;
}