// ************************************* //
//            Form Validation            //
// ************************************* //

function ContactUs(frm){
	if(!ValidateField(frm.name,true,"text","Please enter your name.")) return false;
	if(!ValidateField(frm.company,true,"text","Please enter your company name.")) return false;
	if(!ValidateField(frm.email,true,"email","Please enter your email address.")) return false;
	return true;
}

function Subscribe(frm){
	if(!ValidateField(frm.firstname,true,"text","Please select your first name.")) return false;
	if(!ValidateField(frm.lastname,true,"text","Please select your last name.")) return false;
	if(!ValidateField(frm.company,true,"text","Please enter your company name.")) return false;
	if(!ValidateField(frm.email,true,"email","Please enter your email address.")) return false;
	if(!ValidateField(frm.country,true,"select","Please select your country.")) return false;
	if(!ValidateField(frm.state,true,"text","Please enter your state.")) return false;
	if(!ValidateField(frm.suburb,true,"text","Please enter your suburb / town / city.")) return false;
	if(!ValidateField(frm.postcode,true,"text","Please enter your post code / zip.")) return false;
	if(!ValidateField(frm.address,true,"text","Please enter your address.")) return false;
	return true;
}

function Signup(frm){

	if(!ValidateField(frm.CompanyName,true,"text","Please enter your company name.")) return false;
	if(!ValidateField(frm.FirstName,true,"text","Please select your first name.")) return false;
	if(!ValidateField(frm.Surname,true,"text","Please select your last name.")) return false;
	if(!ValidateField(frm.Email,true,"email","Please enter your email address.")) return false;
	if(!ValidateField(frm.Password,true,"text","Please enter your password.")) return false;
	if(!ValidateField(frm.PasswordConfirm,true,"text","Please enter your confirmation password.")) return false;
	if(frm.PasswordConfirm.value != frm.Password.value){
		frm.Password.focus();
		alert("Please ensure your passwords are the same.");
		return false;
	}
	return true;
}

function DistributorLogIn(frm){
	if(!ValidateField(frm.Email,true,"email","Please enter your email address.")) return false;
	if(!ValidateField(frm.Password,true,"text","Please enter your password.")) return false;
	return true;
}

// ************************************* //
//          Validation Functions         //
// ************************************* //

function validateMessage(fld, name, msg) {
	if (!msg) msg = 'enter a';
	alert('Please ' + msg + ' value for the ' + name + ' field.');
	fld.focus();
}

function ValidateField(fld, required, type, message) {
	if (type != "date" && type != "datetime" && type != "time" && type != "lookup" && type != "checks")
		var fieldvalue = fld.value.replace(/ $/);
	switch(type) {
		case "text": case "varchar": case "memo": case "halign": case "color": case "html":
			if (fieldvalue == "") {	
				fld.focus();
				alert(message);
				return false;
			}
			break;
		case "textarea" :
			var ret = true;
			alert(fld.value);
			if (fld.value.length < 2)
				message = message; 
				ret = false;

		    if (fld.value.length > 255)
				message = "Your address is too long, please keep it less than 255 characters.";
        		ret = false;
						
    		if (!ret) {
				fld.focus();
				alert(message);
			}
			return ret;
			break;
		case "image" :
			var ret = true;
			if (fieldvalue.length < 5)
				ret = false;
			fieldvalue = fieldvalue.toLowerCase();
			if (fieldvalue.substr(fieldvalue.length-4, 4) != ".gif" && fieldvalue.substr(fieldvalue.length-4, 4) != ".jpg" && fieldvalue.substr(fieldvalue.length-5, 5) != ".jpeg")
				ret = false;
				
			if (fieldvalue.indexOf(":") != -1 && fieldvalue.indexOf("?") != -1 && fieldvalue.indexOf("&") != -1 && fieldvalue.indexOf("+") != -1)
				ret = false;
			
			if (!ret) {
				fld.focus();
				fld.value = "";
				alert(message + "\n- valid image file types are: (gif,jpg,jpeg)\n- file names can NOT contain an of the following characters: (?,&,+,:)");
			}
			return ret;
			break;
		case "email" :
			if (fieldvalue == "" || fieldvalue.length < 6 || fieldvalue.indexOf("@") < 1 || fieldvalue.indexOf("@") > (fieldvalue.length - 5) || fieldvalue.indexOf("@") != fieldvalue.lastIndexOf("@") || fieldvalue.lastIndexOf(".") > (fieldvalue.length - 3)) {
				fld.focus();
				alert(message + "\n- valid email addresses are formatted (eg): yourname@domain.com");
				return false;
			}
			break;
		case "currency" :
			if (fld.value == "" || fld.value.replace(/[0-9]*[.]?[0-9]?[0-9]?/, "") != "") {
				fld.focus();
				alert(message + "\n- must be a valid currency entry (no $ sign, max 2 decimal places).");
				return false;
			}
			break;
		case "int" :
			if (fld.value == "" || fld.value.replace(/[0-9]+/, "") != "") {
				fld.focus();
				alert(message + "\n- must be a valid integer (non-decimal number).");
				return false;
			}
			break;
		case "phone" :
			fld.value = fld.value.replace(/\D+/g, '');
			if(!required && fld.value != "" || required){
				if (fld.value == "" || fld.value.length != 10) {
					fld.focus();
					alert(message + "\n- must be a valid phone number (Please prefix with area code)");
					return false;
				}
			}
			break;
		case "mobile" :
			fld.value = fld.value.replace(/\D+/g, '');
			if(!required && fld.value != "" || required){
				if (fld.value == "" || fld.value.length != 10) {
					fld.focus();
					alert(message + "\n- must be a valid mobile number (Please prefix with area code)");
					return false;
				}
			}	
			break;
		case "dec" :
			if (fld.value == "" || fld.value.replace(/[0-9]*[.]?[0-9]*/, "") != "") {
				fld.focus();
				alert(message + "\n- must be a valid decimal number.");
				return false;
			}
			break;
		case "lookup": case "select":
			if (fld.options[fld.selectedIndex].value == "" || fld.options[fld.selectedIndex].value == "0") {
				fld.focus();
				alert(message);
				return false;
			}
			break;
		case "checks":
			checkcheck = false;
			if (fld.length == undefined) {
				if (fld.checked)
					checkcheck = true;
			}				
			else {
				for (var i=0; i < fld.length; i++) {
					if (fld[i].checked) {
						checkcheck = true;
						break;
					}
				}
			}
			if (!checkcheck) {
				alert(message + "\n- select at least one item from the list by clicking the box so that a check appears in it.");
				return false;
			}
			break;
	}	
	return true;
}