/*
Copyright (c) 2002-2007 Ylab, www.ylab.nl
*/
function errormsg(errorcode, guiName, val){
	var msg = errormessages[errorcode];
	msg = msg.replace(/%g/, guiName);
	msg = msg.replace(/%v/, val);
	alert(msg);
}
function isNotNull(field, guiName, f){
	if (!field){
		debugAlert("Het veld '"+guiName+"' bestaat niet.");
	}
	if ((!field.value) || (field.value == "")){
		errormsg('errMissing', guiName);
		setFocus(field, f);
		return false;
	}
	return true;
}
function radioIsChecked(field, guiName, f){
	if(radioValue(field, guiName, f) !== false){
		return true;
	}
	errormsg('errMissing', guiName);
	setFocus(field[0], f);
	return false;
}
function radioValue(field, guiName){
	if (!field){
		debugAlert("Het veld '"+guiName+"' bestaat niet.");
	}
	if (!field.length){
		debugAlert("Het veld '"+guiName+"' is geen radiogroup.");
	}
	for(var i=0; i< field.length; i++){
		if(field[i].checked){
			return field[i].value;
		}
	}
	return false;
}
function isEmail(field, guiName, f){
	var str = field.value;
	if (!str) return true;
	var at = str.indexOf('@');
	if ( (at < 2) || (str.indexOf('.',at+1) < 4) ){
		errormsg('errEmail', guiName)
		setFocus(field, f);
		return false;
	}
	return true;
}
function isPhone (field, guiName, f){
	var ar, num = '', str = field.value;
	if (!str) return true;
	if(ar = str.match(/\d+/g)){
		for (var i=0; i< ar.length; i++){
			num += ar[i];
		}
	}
	if (num.charAt(0)!="0" || num.charAt(1)=="0" || num.length != 10){
		errormsg('errPhone', guiName)
		setFocus(field, f);
		return false;
	}
	return true;
}
var c=0;
function isInRange(field, guiName, minval, maxval, f){
	if (!field.value) return true;
	if ((minval != null) && (field.value <= minval)){
		errormsg('errMinVal', guiName, minval);
	}
	else if ((maxval != null) && (field.value > maxval)){
		errormsg('errMaxVal', guiName, maxval);
	}
	else{
		return true;
	}
	setFocus(field, f);
	return false;
}
function hasMinLen(field, guiName, minlen, f){
	if (!field.value) return true;
	if (field.value.length < minlen){
		errormsg('errMinLen', guiName, minlen);
		setFocus(field, f);
		return false;
	}
	return true;
}
function hasMaxLen(field, guiName, maxlen, f){
	if (!field.value) return true;
	if (field.value.length > maxlen){
		errormsg('errMaxLen', guiName, maxlen);
		setFocus(field, f);
		return false;
	}
	return true;
}
function isDate(field, guiName, f){
	if (!field.value) return true;
	d = strToDate(field.value);
	if (!d){
		errormsg('errDate', guiName);
		setFocus(field, f);
		return false;
	}
	return true;
}
function isSofinumber(field, guiName, f){
	if (!field.value) return true;
	var reSofi = /(\d)(\d)(\d)(\d).?(\d)(\d).?(\d)(\d)(\d)/;
	var isValid = false;
	var i, numbers;
	var lSom = 0;
	if (reSofi.test(field.value)){
		numbers = (field.value.match(reSofi));
		for (i=1;i<9;i+=1){
			lSom += (numbers[i] * (9-(i-1)));
		}
		isValid = (((lSom -= numbers[9]) % 11) == 0)
	}
	if (!isValid){
		errormsg('errInvalid', guiName);
		setFocus(field, f);
	}
	return (isValid);
}
function isLater(field, fieldStart, guiName, f){
	if (!field.value || !fieldStart.value) return true;
	if (strToDate(field.value) < strToDate(fieldStart.value)){
		errormsg('errLater', guiName, fieldStart.value);
		setFocus(field, f);
		return false;
	}
	return true;
}
function isFuture(field, guiName, refDate, guiDate, f){
	if (!isAfterDate(field, refDate)){
		errormsg('errLater', guiName, guiDate);
		setFocus(field, f);
		return false;
	}
	return true;
}
function isBeforeDate(field, refDate){
	if (!field.value) return false;
	d = strToDate(field.value);
	debugAlert(d, refDate);
	return (d < refDate);
}
function isAfterDate(field, refDate){
	if (!field.value) return false;
	d = strToDate(field.value);
	return (d > refDate);
}
function isEUmember(value){
	var euCountries = ['at', 'be', 'bg', 'cy', 'cz', 'de', 'dk', 'ee', 'el', 'es', 'eu', 'fi', 'fr', 'gb', 'gr', 'hu', 'ie', 'it', 'lt', 'lu', 'lv', 'mt', 'nl', 'pl', 'pt', 'ro', 'se', 'si', 'sk'];
	var isNL = value=='nl';
	return euCountries.in_array(value) && !isNL;
}
function strToDate(s){
	var dmY = new RegExp("([0-3]?[0-9]{1})[^[0-9]]*([0-1]?[0-9]{1})[^[0-9]]*([0-9]{4})");
	var Ymd = new RegExp("([0-9]{4})[^[0-9]]*([0-1]?[0-9]{1})[^[0-9]]*([0-3]?[0-9]{1})");
	if (result = s.match(dmY)){
		if (result[1] > 31){
			return false;
		}
		if (result[2] > 12){
			return false;
		}
		return (new Date(result[3], result[2]-1, result[1]));
	}
	else if (result = s.match(Ymd)){
		if (result[3] > 31){
			return false;
		}
		if (result[2] > 12){
			return false;
		}
		return (new Date(result[1], result[2]-1, result[3]));
	}
	return false;
}
function strToTime(s){
	if (!isNaN(s) && s <= 24){
		s += ":00";
	}
	if (s == "24:00"){
		return (new Date(0,0,0,24,0));
	}
	var r = new RegExp("([0-2]?[0-9]{1})[^[0-9]]*([0-5]?[0-9]{1})");
	var result = s.match(r);
	if (!result){
		var r = new RegExp("([0-2]?[0-9]{1})([0-5]?[0-9]{1})");
		var result = s.match(r);
	}
	if (!result){
		return false;
	}
	if (result[1] > 23){
		return false;
	}
	if (result[2] > 59){
		return false;
	}
	return (new Date(0,0,0,result[1], result[2]));
}
function leadingZero(s){
	return ((s < 10) ? "0" : "") + s;
}
function setFocus(field, f){
	try{
		if (f){
f = new Function(f);
f();
}
field.focus();
}
catch(ex){
}
}
function addRow(btn, fldId, rowId){
	fld = id2object(fldId);
	if(!fld){
		return;
	}
	var n = fld.value;
	var tr = document.getElementById(rowId + n);
	if (tr){
		tr.style.display = "block";
		fld.value = ++n;
		tr = document.getElementById(rowId + n);
	}
	if (!tr){
		btn.style.display = "none";
	}
}
function trackChanges(){
	if (!this.form.changedFields){
		this.form.changedFields = new Array();
	}
	if ((this.type == "checkbox") || (this.type == "radio")){
		var changed = (this.checked != this.defaultChecked);
		this.parentNode.style.color = (changed) ? '#0000BB' : '#000000';
	}
	else{
		var changed = (this.value != this.defaultValue);
		this.style.color = (changed) ? '#0000BB' : '#000000';
	}
	for (var i=0; i<this.form.changedFields.length; i++){
		if (this.form.changedFields[i] == this.name){
			if (!changed){
				this.form.changedFields.splice(i,1);
			}
			changed = null;
			break;
		}
	}
	if (changed){
		this.form.changedFields.push(this.name);
	}
}
function initTrackChanges(frmId){
	frm = id2object(frmId);
	if (!frm){
		return;
	}
	frm.defaultStatus = window.status;
	for (var i=0; i< frm.elements.length; i++){
		if (frm.elements[i].name){
			addEvent(frm.elements[i], "onchange", trackChanges);
		}
	}
}
function formChanged(frmId){
	frm = id2object(frmId);
	if (frm && frm.onsave){
		frm.onsave();
	}
	if (!frm || !frm.changedFields) return false;
	return (frm.changedFields.length > 0);
}
function ignoreNonNumKey(e){
	var evt = e || window.event;
	if(evt.charCode != undefined){
		if(evt.charCode == 0){
			return true;
		}
		cde = evt.charCode;
	}
	else{
		cde = evt.keyCode;
	}
	if (cde < 48 || cde > 57){
		if(window.event){
			window.event.returnValue = false;
		}
		return false;
	}
}
if (!Number.prototype.toFixed){
Number.prototype.toFixed = function(decimals){
	var decDigits = (isNaN(decimals) || decimals < 0) ? 0 : decimals;
	var k = Math.pow(10, decDigits);
	var fixedNum = Math.round(parseFloat(this) * k) / k;
	var sFixedNum = new String(fixedNum);
	var aFixedNum = sFixedNum.split(".");
	var i = (aFixedNum[1]) ? aFixedNum[1].length : 0;
	if ((i == 0) && (decDigits)){
		sFixedNum += ".";
	}
	while (i < decDigits){
		sFixedNum += "0";
		i++;
	}
	return sFixedNum;
}
}