function shine(imageName) {
	if (document.images) {
		document[imageName].src = eval(imageName + 'bright.src');
	}
}
function shade(imageName) {
	if (document.images) {
		document[imageName].src = eval(imageName + 'dull.src');
	}
}
function showHide(divID) {
	if (document.getElementById) {
		obj = document.getElementById(divID);
		if (obj.style.display == "none") {
			obj.style.display = "";
		} else {
			obj.style.display = "none";
		}
	}
}
function justHide(divID) {
	if (document.getElementById) {
		obj = document.getElementById(divID);
		obj.style.display = "none";
	}
}
function justShow(divID) {
	if (document.getElementById) {
		obj = document.getElementById(divID);
		obj.style.display = "";
	}
}

// formValidator
var new_fieldname = "";
function formCheck(form,x) {
	action =  "Checks Required, Integer and Date";
	var message = "";
	var more_message = "";
	var showmsg = "no";
	x -= 1;
	for (var i = 0; i <= x; i++) {
		var messenger = form.elements[i].name;
		messenger = messenger.substring(0, 2);
		var fieldname = form.elements[i].name;
		fieldname = fieldname.substring(2);
		if (messenger == "r_") {
			more_message = r_check(form,x,fieldname,i);
		} else if (messenger == "i_") {
			more_message = i_check(form,x,fieldname,i);
		} else if (messenger == "e_") {
			more_message = e_check(form,x,fieldname,i);
		} else if (messenger == "c_") {
			more_message = c_check(form,x,fieldname,i);
		}
		if (more_message != "") {
			if (message == "") {
				message = more_message;
				more_message = "";
			} else {
			message = message + "\n" + more_message;
			more_message = "";
			}
		}
		if (message > "") {
			showmsg = "yes";
		}
	}
	// Prevent submission if data is incorrect
	if (showmsg == "yes") {
		alert("One or more form field(s) were incomplete or incorrect.\n\n" + message);
		return false;
	} else {
		return true;
	}
}
function r_check(form,x,fieldname,i) {
	var msg_addition = "";
	new_fieldname = fieldname;
	for (var y = 0; y <= x; y++) {
		if ((form.elements[y].type == "radio" || form.elements[y].type == "checkbox") && form.elements[y].name == new_fieldname && form.elements[y].checked == true) {
			msg_addition = "";
			break;
		} else if ((form.elements[y].type == "radio" || form.elements[y].type == "checkbox") && form.elements[y].name == new_fieldname && form.elements[y].checked == false) {
			msg_addition = form.elements[i].value;
		} else if (form.elements[y].type == "select-one") {
			var l = form.elements[y].selectedIndex;
			if (form.elements[y].name == fieldname && form.elements[y].options[l].value != "") {
				msg_addition = "";
				break;
			} else if (form.elements[y].name == fieldname && form.elements[y].options[l].value == "") {
				msg_addition = form.elements[i].value;
			}
		} else if (form.elements[y].name == fieldname && form.elements[y].value == "" && form.elements[y].type != "radio" && form.elements[y].type != "checkbox" && form.elements[y].type != "select-one") {
			msg_addition = form.elements[i].value;
			break;
		} else if (form.elements[y].name == fieldname && form.elements[y].value != "" && form.elements[y].type != "radio" && form.elements[y].type != "checkbox" && form.elements[y].type != "select-one") {
			msg_addition = "";
		}
	}
	return(msg_addition);
}
function i_check(form,x,fieldname,i) {
	for (var y = 0; y <= x; y++) {
		if (form.elements[y].name == fieldname)
			break;
	}
	var msg_addition = "";
	var decimal = "";
	inputStr = form.elements[y].value.toString();
	if (inputStr == "") {
		// msg_addition = form.elements[i].value
	} else {
		for (var c = 0; c < inputStr.length; c++) {
			var oneChar = inputStr.charAt(c);
			if (c == 0 && oneChar == "-" || oneChar == "."  && decimal == "") {
				if (oneChar == ".") {
					decimal = "yes";
				}
				continue;
			}
			if (oneChar < "0" || oneChar > "9") {
				msg_addition = form.elements[i].value;
			}
		}
	}
	return(msg_addition);
}
function e_check(form,x,fieldname,i) {
	for (var y = 0; y <= x; y++) {
		if (form.elements[y].name == fieldname)
			break;
	}
	var msg_addition = "";
	var Temp = form.elements[y];
	var AtSym = Temp.value.indexOf('@');
	var Period = Temp.value.lastIndexOf('.');
	var Space = Temp.value.indexOf(' ');
	var Length = Temp.value.length - 1;
	if ((AtSym < 1) || (Period <= AtSym+1) || (Period == Length ) || (Space  != -1)) {
		msg_addition = form.elements[i].value;
	} else {
		msg_addition = "";
	}
	return(msg_addition);
}
function isInteger(sDate) {
	var new_msg = "true";
	inputStr = sDate.toString();
	for (var i = 0; i < inputStr.length; i++) {
		var oneChar = inputStr.charAt(i);
		if ((oneChar < "0" || oneChar > "9") && oneChar != "/") {
			new_msg = "false";
		}
	}
	return (new_msg);
}
function c_check(form,x,fieldname,i) {
	// LuhnCheck
	// Copyright 1998 DataCash Ltd (http://www.datacash.com)
	// Calculates the Luhn check didigit of the input.
	var msg_addition = "";
	//for (var y = 0; y <= x; y++)
	//alert('card=' + form.paynumber.value);
	var cardnumber = form.paynumber.value;
	var re = /[^0-9]/g;
	cardnumber = cardnumber.replace(re, '');
	if (cardnumber.length == 0) msg_addition = form.elements[i].value;
	var store_card = cardnumber;
	var total = 0;
	var d = 0;
	while (cardnumber.length != 0) {
		total += parseInt(cardnumber.substring(cardnumber.length - 1, cardnumber.length));
		cardnumber = cardnumber.substr(0, cardnumber.length - 1);
		d = parseInt(cardnumber.substring(cardnumber.length - 1, cardnumber.length));
		cardnumber = cardnumber.substr(0, cardnumber.length - 1);
		d = isNaN(d) ? 0 : d;
		if (d < 9)
			total += ((d * 2) % 9);
		else
			total += 9;
	}
	if (total % 10 == 0) {
		msg_addition = form.elements[i].value;
	} else {
		msg_addition = "";
	}
	return (msg_addition);
}