var strErrorMsg = "The following errors occurred:\n\n";
var widthPopUp_defaultWindow = 250; //Pop-up window Width by default
var heightPopUp_defaultWindow = 150; //Pop-up window Height by default
var listFieldsWithErrors = new Array();;
var intOpacityEffectDuration = 0.2;

function setOpacity(div, value) {
	div.style.opacity = value/10;
	div.style.filter = 'alpha(opacity=' + value*10 + ')';
}

// returns the size of the window
// Width index 0
// Height index 1
function getWindowSizes() 
{
  var myWidth = 0, myHeight = 0;
  if( typeof( window.innerWidth ) == 'number' ) {
    //Non-IE
    myWidth = window.innerWidth;
    myHeight = window.innerHeight;
  } 
  else if( document.documentElement && 
  	( document.documentElement.clientWidth ||
  	  document.documentElement.clientHeight ) ) {
    //IE 6+ in 'standards compliant mode'
    myWidth = document.documentElement.clientWidth;
    myHeight = document.documentElement.clientHeight;
  } 
  else if( document.body && 
  	( document.body.clientWidth || 
  	  document.body.clientHeight ) ) {
    //IE 4 compatible
    myWidth = document.body.clientWidth;
    myHeight = document.body.clientHeight;
  }
  return new Array(myWidth, myHeight);
}

function getScrollXY() {
  var scrOfX = 0, scrOfY = 0;
  if( typeof( window.pageYOffset ) == 'number' ) {
    //Netscape compliant
    scrOfY = window.pageYOffset;
    scrOfX = window.pageXOffset;
  } else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
    //DOM compliant
    scrOfY = document.body.scrollTop;
    scrOfX = document.body.scrollLeft;
  } else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
    //IE6 standards compliant mode
    scrOfY = document.documentElement.scrollTop;
    scrOfX = document.documentElement.scrollLeft;
  }
  return [ scrOfX, scrOfY ];
}

function GetErrorMessage(errorList)
{
    var strErrorMessage = "";
    for (i = 0; i < errorList.length; i++)
    {
        var error =  errorList[i];
        strErrorMessage += "- " + error.Error + "\n";
    }
    return strErrorMsg + strErrorMessage;
}

function ProcessErrors(errorList)
{
    clearErrorMessages();
    
    for (i = 0; i < errorList.length; i++)
    {
        var error =  errorList[i];
        
        listFieldsWithErrors[i] = error.FieldName;
        
        var divError = document.getElementById(error.FieldName + "_error");
        if(!divError) continue;
        var imgError = document.createElement('img');

        imgError.setAttribute("src","/images/icons/warning.gif");
        imgError.setAttribute("onmouseover","javascript:return ToolTip('"+error.ErrorDetails+"',0);");
        imgError.setAttribute("onmouseout","javascript:return nd();");
        divError.innerHTML = "";
        divError.appendChild(imgError);
    }
}

function clearErrorMessages()
{
    for (i = 0; i < listFieldsWithErrors.length; i++)
    {
        var divError = document.getElementById(listFieldsWithErrors[i] + "_error");
        if(!divError) continue;
        divError.innerHTML = "";
    }
    listFieldsWithErrors = new Array();
}

function getAbsolutePosition(element) {
  var r = { x: element.offsetLeft, y: element.offsetTop };
  if (element.offsetParent) {
    var tmp = getAbsolutePosition(element.offsetParent);
    r.x += tmp.x;
    r.y += tmp.y;
  }
  return r;
};

var _popup_place = null;
function OpenPopup(popupid, args, el)
{
    if(typeof(el) == 'string') el = $get(el);
    _popup_place = !el ? null : getAbsolutePosition(el);

    var s = '$popupid:' + popupid;
    for (var key in args) {
        s += '$' + key + ':' + args[key]
    }

    var div_popup_window = document.getElementById("div_popup_window");
    var div_popup_bg = document.getElementById("div_popup_bg");
    var div_popup_header = document.getElementById("div_popup_header");

    setOpacity(div_popup_window, 0);
    div_popup_header.innerHTML = name;
    div_popup_bg.style.visibility = "visible";
   
    var func = "CallServerPopup('LoadPopup$" + popupid + s + "', '')";
    eval(func);
}

var current_page = 0;
function NavPopup(pagenr) {
    var current = $get('page' + current_page);
    if(current) current.className = 'hidden';
    current = $get('page' + pagenr);
    if(current) current.className = '';

    var nav = $get('nav' + current_page);
    if(nav) nav.className = '';
    nav = $get('nav' + pagenr);
    if(nav) nav.className = 'active';

    current_page = pagenr;
}

function ShowPageBlock(blockid, args) {
    if(!args) args = blockid;
    var func = "CallServerPopup('LoadPageBlock$" + blockid + "$" + args + "', '')";
    eval(func);
}

function OnAfterClosePopup()
{
    var div_popup = document.getElementById("div_popup");
    var div_popup_window = document.getElementById("div_popup_window");
    var div_popup_bg = document.getElementById("div_popup_bg");
    var div_popup_header = document.getElementById("div_popup_header");
    var div_popup_buttons = document.getElementById("div_popup_buttons");
    
    div_popup_header.innerHTML = "";
    div_popup.innerHTML = "";
    
    div_popup_window.style.visibility = "hidden";
    div_popup_bg.style.visibility = "hidden";
    div_popup_buttons.style.display = "none";
    div_popup_window.style.width = widthPopUp_defaultWindow+"px";
    div_popup_window.style.height = heightPopUp_defaultWindow+"px";
}

function ClosePopup()
{
    var div_popup_window = document.getElementById("div_popup_window");
    new Effect.Opacity('div_popup_window', { fps : 50,  duration : intOpacityEffectDuration, from: 1, to: 0 , afterFinish: OnAfterClosePopup});
}

function ReceiveServerDataPopup(arg, context)
{
    var cmd_content = arg.split('$');
    switch(cmd_content[0]) {
        case 'LoadPopup':
            var div_popup = document.getElementById("div_popup");
            var div_popup_window = document.getElementById("div_popup_window");
            var div_popup_header = document.getElementById("div_popup_header");

            var intWidth = parseInt(cmd_content[1]);
            var intHeight = parseInt(cmd_content[2]);

            div_popup_header.innerHTML = cmd_content[3];
            div_popup.innerHTML = cmd_content[4];

            var tw = 0;
            var tables = div_popup.getElementsByTagName('table');
            for(var i=0; i<tables.length; i++)
                if(tables[i].offsetWidth > tw) tw = tables[i].offsetWidth;

            if(tw > intWidth) intWidth = tw + 75;

            div_popup_window.style.width = intWidth + "px"; //.offsetWidth + 20 + "px";
            if(intHeight > 0) div_popup_window.style.height = intHeight + "px";
            else div_popup_window.style.height = (div_popup.offsetHeight + div_popup_header.offsetHeight) + "px";

            var windowSizes = getWindowSizes();
            var x = (windowSizes[0] / 2) - (div_popup.offsetWidth / 2);
            var y =  getScrollXY()[1];
            y = _popup_place ? _popup_place.y - div_popup.offsetHeight - 15 : y + 75;
            //var y = (windowSizes[1] / 2) - (div_popup_window.offsetHeight / 2);      

            div_popup_window.style.top = parseInt(y) + "px";
            div_popup_window.style.left = parseInt(x) + "px";

            div_popup_window.style.visibility = "visible";
            new Effect.Opacity('div_popup_window', { fps:50, duration : intOpacityEffectDuration, from: 0, to: 1 });
            break;
        case 'LoadPageBlock':
            alert(cmd_content[3]);
            var pageBlock = $get('div' + cmd_content[3]);
            if(pageBlock) pageBlock.innerHTML = cmd_content[4];
            break;
        case 'error':
            var div_popup = document.getElementById("div_popup");
            var div_popup_buttons = document.getElementById("div_popup_buttons");
            var div_popup_window = document.getElementById("div_popup_window");

            var windowSizes =  getWindowSizes();

            var x = (windowSizes[0] / 2) - (div_popup_window.offsetWidth / 2);
            var y = (windowSizes[1] / 2) - (div_popup_window.offsetHeight / 2);    

            div_popup_window.style.top = parseInt(y) + "px";
            div_popup_window.style.left = parseInt(x) + "px";

            div_popup.innerHTML = "error:" + cmd_content[1];
            div_popup_buttons.style.display = "block";

            div_popup_window.style.visibility = "visible";
            new Effect.Opacity('div_popup_window', { fps:50, duration : intOpacityEffectDuration, from: 0, to: 1 });
            break;
    }
}

function PopupWindow_Save_ReceiveServerData(response)
{
    var cmd_content = response.split('$');
    
    // generic error
    if (cmd_content[0] == "error")
    {
        alert(cmd_content[1]);
        ClosePopup();
    }
    else if (cmd_content[0] == "save")
    {
        if (cmd_content[1] == "ok")
        {
            ClosePopup();
        }
        else if (cmd_content[1] == "exception")
        {
            alert(cmd_content[2]);
        }
        else if (cmd_content[1] == "error")
        {
            var errorList =  eval('(' + cmd_content[2] + ')');
            ProcessErrors(errorList);
            alert(GetErrorMessage(errorList));
        }
    }
    else
    {
        alert("PopupWindow: unable to parse response");
        ClosePopup();
    }
}

/************* VALIDATION ************************/
function $get(id) { return document.getElementById(id); }
function getValue(id) {
    var obj = $get(id);
    if(obj && obj.value) return obj.value;
    return '';
}
function getValueRB(name) {
    var rbt = document.getElementsByName(name);
    for(var i=0; i<rbt.length; i++)
        if(rbt[i].checked)
            return rbt[i].value;
    return '';
}

/************* DRAG ************************/

//*****************************************************************************
// Do not remove this notice.
//
// Copyright 2001 by Mike Hall.
// See http://www.brainjar.com for terms of use.
//*****************************************************************************

// Determine browser and version.

function Browser() {

  var ua, s, i;

  this.isIE    = false;
  this.isNS    = false;
  this.version = null;

  ua = navigator.userAgent;

  s = "MSIE";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isIE = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  s = "Netscape6/";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  // Treat any other "Gecko" browser as NS 6.1.

  s = "Gecko";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = 6.1;
    return;
  }
}

var browser = new Browser();

// Global object to hold drag information.

var dragObj = new Object();
dragObj.zIndex = 0;

function dragStart(event, id) {

  var el;
  var x, y;

  // If an element id was given, find it. Otherwise use the element being
  // clicked on.

  if (id)
    dragObj.elNode = document.getElementById(id);
  else {
    if (browser.isIE)
      dragObj.elNode = window.event.srcElement;
    if (browser.isNS)
      dragObj.elNode = event.target;

    // If this is a text node, use its parent element.

    if (dragObj.elNode.nodeType == 3)
      dragObj.elNode = dragObj.elNode.parentNode;
  }

  // Get cursor position with respect to the page.

  if (browser.isIE) {
    x = window.event.clientX + document.documentElement.scrollLeft
      + document.body.scrollLeft;
    y = window.event.clientY + document.documentElement.scrollTop
      + document.body.scrollTop;
  }
  if (browser.isNS) {
    x = event.clientX + window.scrollX;
    y = event.clientY + window.scrollY;
  }

  // Save starting positions of cursor and element.

  dragObj.cursorStartX = x;
  dragObj.cursorStartY = y;
  dragObj.elStartLeft  = parseInt(dragObj.elNode.style.left, 10);
  dragObj.elStartTop   = parseInt(dragObj.elNode.style.top,  10);

  if (isNaN(dragObj.elStartLeft)) dragObj.elStartLeft = 0;
  if (isNaN(dragObj.elStartTop))  dragObj.elStartTop  = 0;

  // Update element's z-index.

  //dragObj.elNode.style.zIndex = ++dragObj.zIndex;

  // Capture mousemove and mouseup events on the page.

  if (browser.isIE) {
    document.attachEvent("onmousemove", dragGo);
    document.attachEvent("onmouseup",   dragStop);
    window.event.cancelBubble = true;
    window.event.returnValue = false;
  }
  if (browser.isNS) {
    document.addEventListener("mousemove", dragGo,   true);
    document.addEventListener("mouseup",   dragStop, true);
    event.preventDefault();
  }
}

function dragGo(event) {

  var x, y;

  // Get cursor position with respect to the page.

  if (browser.isIE) {
    x = window.event.clientX + document.documentElement.scrollLeft
      + document.body.scrollLeft;
    y = window.event.clientY + document.documentElement.scrollTop
      + document.body.scrollTop;
  }
  if (browser.isNS) {
    x = event.clientX + window.scrollX;
    y = event.clientY + window.scrollY;
  }

  // Move drag element by the same amount the cursor has moved.

  dragObj.elNode.style.left = (dragObj.elStartLeft + x - dragObj.cursorStartX) + "px";
  dragObj.elNode.style.top  = (dragObj.elStartTop  + y - dragObj.cursorStartY) + "px";

  if (browser.isIE) {
    window.event.cancelBubble = true;
    window.event.returnValue = false;
  }
  if (browser.isNS)
    event.preventDefault();
}

function dragStop(event) {

  // Stop capturing mousemove and mouseup events.

  if (browser.isIE) {
    document.detachEvent("onmousemove", dragGo);
    document.detachEvent("onmouseup",   dragStop);
  }
  if (browser.isNS) {
    document.removeEventListener("mousemove", dragGo,   true);
    document.removeEventListener("mouseup",   dragStop, true);
  }
}