/*
/////////////////////////////////////////////////////
IMPORTANT NOTE: 
The LeftCorner Javascript versions of ColdFusion functions 
must be used in conjunction with these functions or the file name check function will not work.
/////////////////////////////////////////////////////
*/

// STANDARD FORM FIELD CHECK FUNCTIONS

function checkField(obj,field,msg,checkExt,extList,extDelimiter) {
	valid = true;
	if (obj[field].value == "") {
		alert("You must fill out the " + msg + " field.");
		obj[field].focus();
		valid = false;
	} else if (checkExt) {
		if (extList && extDelimiter) {
			if (!LeftCorner.ListFindNoCase(extList,LeftCorner.ListLast(obj[field].value,"."),extDelimiter)) {
				alert("You have selected an invalid file type.  Please check your file type again.\n\nApproved file types are:\n" + extList);
				obj[field].focus();
				valid = false;
			}
		} else {
			alert("The form checking code for this field is incorrect. Please alert the webmaster.");
			obj[field].focus();
			valid = false;
		}
	}
	return valid;
}
function checkEmail(obj,field,msg) {
	valid = true;
	if (obj[field].value == "") {
		alert("You must fill out the " + msg + " field.");
		obj[field].focus();
		valid = false;
	} else {
		email = emailCheck(obj[field].value);
		if (!email) {
			alert("The email address you entered is not a valid format.\nPlease carefully retype your email address.");
			obj[field].focus();
			valid = false;
		}
	}
	return valid;
}
function emailCheck(addr) {
	var reg1 = /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/; // not valid
	var reg2 = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?)$/; // valid
	if (!reg1.test(addr) && reg2.test(addr)) {
		return true;
	} else {
		return false;
	}
}
function checkSelect(obj,field,msg) {
	valid = true;
	if (obj[field].options[obj[field].selectedIndex].value == "") {
		alert(msg);
		obj[field].focus();
		valid = false;
	}
	return valid;
}
function checkRadio(obj,field,req,msgSelect,correctOpt,msgIncorrect) {
	valid = true;
	notChecked = true;
	for(i=0;i<obj[field].length;i++) {
		if (obj[field][i].checked) {
			notChecked = false;
			if(correctOpt) {
				if(obj[field][i].value != correctOpt) {
					alert(msgIncorrect);
					obj[field][i].focus();
					valid = false;
				}
			}
		}
	}
	if (req && notChecked) {
		alert(msgSelect);
		valid = false;
	}
	return valid;
}
function checkCheckbox(obj,field,msg) {
	valid = true;
	if (!obj[field].checked) {
		alert("You must mark the check box called " + msg + ".");
		obj[field].focus();
		valid = false;
	}
	return valid;
}