function DrawReloadHTML(elementname)
{
  var el = null;
  el = document.getElementById(elementname); 
  if (el != null)
  {
    el.innerHTML = '<img src="/img/loading.gif" style="vertical-align:middle;" alt="loading" /><span style="vertical-align:middle;">Loading...</span>';
  }
}


// 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) {

// makeCentered(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 || navigator.appName == "Opera")
      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 || navigator.appName == "Opera") {
    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.
  popup_Y = document.getElementById(id).offsetTop + 35;
  click_Y = y;

  if (popup_Y  > click_Y  ) //--- pentru ca MOVE sa actioneze numai la bara de sus a formei si nu pentru toata forma ----
  {
    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 || navigator.appName == "Opera") {
      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.

//  alert(x);
  
  if (browser.isIE || navigator.appName == "Opera") {
    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 || navigator.appName == "Opera") {
    document.detachEvent("onmousemove", dragGo);
    document.detachEvent("onmouseup",   dragStop);
  }
  if (browser.isNS) {
    document.removeEventListener("mousemove", dragGo,   true);
    document.removeEventListener("mouseup",   dragStop, true);
  }
}

//---- Centrare pe centru 
function ShowCenteredDiv(elementname)
{	
  var el = null;
  el = document.getElementById(elementname);
  if (el != null)
  {
    el.style.visibility = "visible";
    el.style.display = "block";
    
	var xy = getCenteredElement(el);
    el.style.left = xy[0] + 'px';
    el.style.top = xy[1] + 'px';
  } 
}

function getCenteredElement(el)
{
	var xy = getCenterXY(true);
    xy[0] = Math.floor(Math.round(xy[0] - parseFloat(el.clientWidth)/2));
    xy[1] = Math.floor(Math.round(xy[1] - parseFloat(el.clientHeight)/2));
    
    return xy;	
}

function getCenterXY(offsetScroll)
{
	var centerX = Math.round(document.documentElement.offsetWidth/2);
	var centerY = Math.round(document.documentElement.offsetHeight/3);
	if(!offsetScroll)
	{
		return [centerX, centerY];
	}
	else
	{
		var scrollX = document.documentElement.scrollLeft || document.body.scrollLeft || 0;
		var scrollY = document.documentElement.scrollTop || document.body.scrollTop || 0;
		return[centerX + scrollX, centerY + scrollY];
	}
}
//-------------------------

function makeCentered(div_id)
{ 
  obj = document.getElementById(div_id);
//  height = obj.style.height;
  height = obj.style.left;
  height = height.replace("px","");
  height = height.replace("%","");
//  width = obj.style.width;
  width = obj.style.top;
  width = width.replace("px","");
  width = width.replace("%","");
  
//  alert(window.scroll.availHeight);
  
  if (window.screen) {
    if (height.length > 0)
    {
      if (browser.isIE)
      {
        scroll = document.documentElement.scrollTop;
      }
      if (browser.isNS)
      {
        scroll = window.scrollY;
      }
//      alert (document.body.scrollTop);
      var ah = screen.availHeight;
      var yc = (ah - height) / 2 + scroll;      
      obj.style.top = ''+yc+'px';
    }
    if (width.length > 0)
    {
      var aw = screen.availWidth;
      var xc = (aw - width) / 2;
      obj.style.left = ''+xc+'px';
    }
  }  
}