/**
 * Open specified url in new window
 * Default width and height is 800 x 600
 */
function openWindow(url, width, height) {
  if (!width) width = 800;
  if (!height) height = 600;
  var left = (screen.width/2) - width/2;
  var top = (screen.height/2) - height/2;

  window.open(url, 'popUpWin', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=auto,resizable=yes,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
}

/**
 * Open specified url in new window for printing
 * Default width and height is 800 x 600
 */
function openPrintWindow(url, width, height) {
  if (!width) width = 800;
  if (!height) height = 600;
  var left = (screen.width/2) - width/2;
  var top = (screen.height/2) - height/2;
  window.open(url, 'popUpWin', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=auto,resizable=yes,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
}

// close an opened window
function closeWindow() {
    window.close();
}

// go to a specified url
function goToUrl(url) {
    window.location.href = url;
}

// print content of current window
function printWindow(form) {
    // hide all control in form before printing
    for (var i = 0; i < form.elements.length; i++) {
        var e = form.elements[i];
        e.style.display = "none";
    }
    window.print();
    window.close();
}

// delete confirmation
function deleteConfirm(hasChild) {
    if ((hasChild == null) || (hasChild == 0))
        return confirm("Bent u zeker dat u dit item wil verwijderen");
    return confirm("???nl.label.delete-confirm-haschild???");
}

// window sizing utils
function centerScreenIE() {
    var w = window.document.body.offsetWidth + 6;
    var h = window.document.body.offsetHeight + 25;
    var W = screen.availWidth;
    var H = screen.availHeight - 20;
    window.moveTo((W - w) / 2, (H - h) / 2);
}
function centerScreenGecko() {
    var w = window.outerWidth;
    var h = window.outerHeight;
    var W = screen.availWidth;
    var H = screen.availHeight - 20;
    window.moveTo((W - w) / 2, (H - h) / 2);
}
function centerScreen() {
    if(global.isGecko) {
        centerScreenGecko();
    } else {
        centerScreenIE();
    }
}
//emulating the sizeToContent function for the bad guy IE
var heightDiff = 0;
var global = new Object();

global.SAFE_MARGIN_H = 20;
global.SAFE_MARGIN_W = 20;
global.getContentElement = function () {
    if (document.documentElement.clientHeight) {
        return document.documentElement;
    }
    return document.body;
};
global.sizeToContentImpl = function(finalize) {
    if(!window.sizeToContent) {
        var anchor = document.createElement("div");
        document.body.appendChild(anchor);
        anchor.style.clear = "both";
        anchor.style.overflow = "hidden";
        anchor.style.height = "3px";
        anchor.style.backgroundColor = "red";
        anchor.style.styleFloat = "none";

        var w = anchor.offsetWidth;
        var h = anchor.offsetTop + 0;

        var deltaH = h - global.getContentElement().clientHeight;
        //alert("h = " + h + "\ndeltaH = " + deltaH + "\nclientHeight = " + global.getContentElement().clientHeight);
        var deltaW = 0
        window.resizeBy(deltaW, deltaH);
        deltaH = global.getContentElement().scrollHeight - global.getContentElement().clientHeight;
        deltaW = global.getContentElement().scrollWidth - global.getContentElement().clientWidth;
        //alert("document.body.scrollHeight = " + document.body.scrollHeight + "\ndeltaH = " + deltaH + "\nclientHeight = " + document.body.clientHeight + "\ndeltaW = " + deltaW);
        window.resizeBy(deltaW, deltaH);
        //alert("after resize");

        document.body.removeChild(anchor);
    } else {
      window.sizeToContent();
    }
    if (finalize) {
        if (window.outerWidth) {
            var maxW = screen.availWidth - global.SAFE_MARGIN_H;
            var maxH = screen.availHeight - global.SAFE_MARGIN_W;

            var deltaH = 0;
            var deltaW = 0;

            var w = window.outerWidth;
            var h = window.outerHeight;

            deltaW = w > maxW ? maxW - w : 0;
            deltaH = h > maxH ? maxH - h : 0;
            window.resizeBy(deltaW, deltaH);

        }
        global.centerScreen();
    }
};
global.sizeToContent = function () {
    window.resizeTo(50, 50);
    global.sizeToContentImpl();
    window.setTimeout('global.sizeToContentImpl(true);', 10);
    window.setTimeout('global.sizeToContentImpl(true);', 30);
};
global.centerScreenIE = function () {
    var w = window.document.body.offsetWidth + 6;
    var h = window.document.body.offsetHeight + 25;
    var W = screen.availWidth;
    var H = screen.availHeight - 20;
    window.moveTo((W - w) / 2, (H - h) / 2);
};
global.centerScreenGecko = function () {
    var w = window.outerWidth;
    var h = window.outerHeight;
    var W = screen.availWidth;
    var H = screen.availHeight - 20;
    window.moveTo((W - w) / 2, (H - h) / 2);
};
global.centerScreen = function () {
    if(window.outerWidth) {
        global.centerScreenGecko();
    } else {
        global.centerScreenIE();
    }
};

global.fitToContent = function(hoz_margin,vert_margin){
    window.resizeTo(document.body.scrollWidth + hoz_margin, document.body.scrollHeight + vert_margin + heightDiff);
    heightDiff = 0;
}

global.isGecko = (navigator.userAgent.indexOf("Gecko") > 0);

/**
 *  Add event handler for an element (cross browser support)
 */
function XBrowserAddHandler(target, eventName, fnHandler) {
  if ( target.addEventListener ) {
    target.addEventListener(eventName, fnHandler, false);
  } else if (target.attachEvent) {
    target.attachEvent("on" + eventName, fnHandler);
  } else {
    target["on" + eventName] = fnHandler;
  }
}

// pr-minhvo added here
function removeSelectObjValue(selectObjId){
    var selectObj = document.getElementById(selectObjId);
    var elements = selectObj.options;
    for(var i = elements.length - 1; i >=0 ; i--){
        selectObj.removeChild(elements[i]);
    }
}
function addSelectObjValue(selectObjId, value, text){
    var selectObj = document.getElementById(selectObjId);

    for(var i = 0; i < value.length; i++){
        var newNode = document.createElement("option");
        newNode.setAttribute("value", value[i]);
        newNode.innerHTML = text[i];
        selectObj.appendChild(newNode);
    }
}
function copyOptions(sourceSelectObj, destSelectObj){
    removeSelectObjValue(destSelectObj.id);
    var options = sourceSelectObj.options;
    for(var i = 0; i < options.length; i++){
        var newNode = document.createElement("option");
        newNode.setAttribute("value", options[i].value);
        newNode.innerHTML = options[i].innerHTML;
        destSelectObj.appendChild(newNode);
    }
}

function onSelect(activeId, inActiveId){
    var activeDivObj = document.getElementById(activeId);
    var activeSelectObjs = activeDivObj.getElementsByTagName("select");
    var activeInputObjs = activeDivObj.getElementsByTagName("input");
    activeInput(activeSelectObjs);
    activeInput(activeInputObjs);

    var inActiveDivObj = document.getElementById(inActiveId);
    var inActiveSelectObjs = inActiveDivObj.getElementsByTagName("select");
    var inActiveInputObjs = inActiveDivObj.getElementsByTagName("input");
    inactiveInput(inActiveSelectObjs);
    inactiveInput(inActiveInputObjs);

    // the first checkbox must be enable
    inActiveInputObjs[0].disabled = false;
}

function inactiveInput(objs){
    for(var i = 0; i < objs.length; i++){
        objs[i].disabled = true;
        if(objs[i].type=="button" || objs[i].type=="submit" || objs[i].type=="reset"){
            objs[i].className += " DisableButton";
        }
    }
}

function activeInput(objs){
    for(var i = 0; i < objs.length; i++){
        objs[i].disabled = false;
        objs[i].className = objs[i].className.replace("DisableButton", "");
    }
}
var dtYEAR = "yyyy";
var dtMONTH = "MM";
var dtDAY = "dd";
var dtHOUR = "HH";
var dtMINUTE = "mm";
var dtSECOND = "ss";
function parse_datetime(strdatetime, pattern) {
    var date = new Date();
    var index;
    try {
        index = pattern.indexOf(dtYEAR);
        if(index >= 0) {
            date.setFullYear(strdatetime.substring(index, index + dtYEAR.length));
        }
        index = pattern.indexOf(dtMONTH);
        if(index >= 0) {
            date.setMonth(strdatetime.substring(index, index + dtMONTH.length) - 1);
        }
        index = pattern.indexOf(dtDAY);
        if(index >= 0) {
            date.setDate(strdatetime.substring(index, index + dtDAY.length));
        }
        index = pattern.indexOf(dtHOUR);
        if(index >= 0) {
            date.setHours(strdatetime.substring(index, index + dtHOUR.length));
        }
        index = pattern.indexOf(dtMINUTE);
        if(index >= 0) {
            date.setMinutes(strdatetime.substring(index, index + dtMINUTE.length));
        }
        index = pattern.indexOf(dtSECOND);
        if(index >= 0) {
            date.setSeconds(strdatetime.substring(index, index + dtSECOND.length));
        }
    } catch(e) {
        date = null;
    }
    return date;
}
function format_datetime(datetime, pattern) {
    var strdatetime = pattern;
    strdatetime = strdatetime.replace(dtYEAR, 1900 + datetime.getYear());
    strdatetime = strdatetime.replace(dtMONTH, String(100 + datetime.getMonth() + 1).substring(1));
    strdatetime = strdatetime.replace(dtDAY, String(100 + datetime.getDate()).substring(1));
    strdatetime = strdatetime.replace(dtHOUR, String(100 + datetime.getHours()).substring(1));
    strdatetime = strdatetime.replace(dtMINUTE, String(100 + datetime.getMinutes()).substring(1));
    strdatetime = strdatetime.replace(dtSECOND, String(100 + datetime.getSeconds()).substring(1));
    return strdatetime;
}
function countdown(textbox, maxcount, countDisplayId) {
    var length = textbox.value.length;
    var chars_left = maxcount;
    if (length > maxcount) {
        textbox.value = textbox.value.substring(0, maxcount);
        chars_left = 0;
    } else {
        chars_left = maxcount - length;
    }
    var countDisplay = document.getElementById(countDisplayId);
    countDisplay.innerHTML = "" + chars_left;
}
// Removes leading whitespaces
function LTrim( value ) {

	var re = /\s*((\S+\s*)*)/;
	return value.replace(re, "$1");

}

// Removes ending whitespaces
function RTrim( value ) {

	var re = /((\s*\S+)*)\s*/;
	return value.replace(re, "$1");

}

// Removes leading and ending whitespaces
function trim( value ) {

	return LTrim(RTrim(value));

}

// get elements by class name and tag name
function getElementsbyClassName(rootObj, tagName, className){
    var elms = new Array();
    var tags = rootObj.getElementsByTagName(tagName);
    if(tags && tags.length){
        for(i = 0; i < tags.length; i++){
            if (tags[i].className == className){
                elms[elms.length] = tags[i];
            }
        }
    }

    return elms;
}