// javascript fake includes for organization
//document.write('<script type="text/javascript" src="lib/validateLib.js"></script>');
//document.write('<script type="text/javascript" src="lib/validateSignUp.js"></script>');
//document.write('<script type="text/javascript" src="lib/validatePWReset.js"></script>');

// This function will toggle on and off the specified div id
function toggleDisplay(id) {
    section = document.getElementById(id);

    if ( section.style.display != "block" ) {
	section.style.display = "block";
    } else {
	section.style.display = "none";
    }
}


// Used in the sign-up sheet.  This function hides and
// reveals the appropriate forms based on the type of
// member the user is registering as
function showUserType(type) {
  
    // First hide all type divs (hard-coded)
    types = ["highSchool", "YAG", "adult"];

    for ( i in types ) {
	section = document.getElementById(types[i]);
	section.style.display = "none";
    }

    // Now show the appropriate user type
    desiredType = document.getElementById(type);
    desiredType.style.display = "block";

    return;

}

// This function allows for auto-tabbing in forms
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;
}
