/**
 * COMMON DHTML FUNCTIONS
 * These are handy functions I use all the time.
 *
 * By Seth Banks (webmaster at subimage dot com)
 * http://www.subimage.com/
 *
 * Up to date code can be found at http://www.subimage.com/dhtml/
 *
 * This code is free for you to use anywhere, just keep this comment block.
 */

/**
 * X-browser event handler attachment and detachment
 * TH: Switched first true to false per http://www.onlinetools.org/articles/unobtrusivejavascript/chapter4.html
 *
 * @argument obj - the object to attach event to
 * @argument evType - name of the event - DONT ADD "on", pass only "mouseover", etc
 * @argument fn - function to call
 */
function addEvent(obj, evType, fn){
 if (obj.addEventListener){
    obj.addEventListener(evType, fn, false);
    return true;
 } else if (obj.attachEvent){
    var r = obj.attachEvent("on" + evType, fn);
    return r;
 } else {
    return false;
 }
}

function addEventStack(actEventStack){
	var fn;
	var fun=new Array();
	var i=0;

	while((fn = actEventStack.pop())!==undefined)
	{
		fun[i] = fn;
		i++;
	}
	
	var fun2 = function()
	{
		for(var i=fun.length-1;i>=0;i--)
	  {
	  	fun[i]();
	  }
	};
  addEvent(window,'load',fun2);
}

function removeEvent(obj, evType, fn, useCapture){
  if (obj.removeEventListener){
    obj.removeEventListener(evType, fn, useCapture);
    return true;
  } else if (obj.detachEvent){
    var r = obj.detachEvent("on" + evType, fn);
    return r;
  } else {
    alert("Handler could not be removed");
  }
}

/**
 * Code below taken from - http://www.evolt.org/article/document_body_doctype_switching_and_more/17/30655/
 *
 * Modified 4/22/04 to work with Opera/Moz (by webmaster at subimage dot com)
 *
 * Gets the full width/height because it's different for most browsers.
 */
function getViewportHeight() {
	if (window.innerHeight!=window.undefined) return window.innerHeight;
	if (document.compatMode=='CSS1Compat') return document.documentElement.clientHeight;
	if (document.body) return document.body.clientHeight; 

	return window.undefined; 
}
function getViewportWidth() {
	var offset = 17;
	var width = null;
	if (window.innerWidth!=window.undefined) return window.innerWidth; 
	if (document.compatMode=='CSS1Compat') return document.documentElement.clientWidth; 
	if (document.body) return document.body.clientWidth; 
}

/**
 * Gets the real scroll top
 */
function getScrollTop() {
	if (self.pageYOffset) // all except Explorer
	{
		return self.pageYOffset;
	}
	else if (document.documentElement && document.documentElement.scrollTop)
		// Explorer 6 Strict
	{
		return document.documentElement.scrollTop;
	}
	else if (document.body) // all other Explorers
	{
		return document.body.scrollTop;
	}
}
function getScrollLeft() {
	if (self.pageXOffset) // all except Explorer
	{
		return self.pageXOffset;
	}
	else if (document.documentElement && document.documentElement.scrollLeft)
		// Explorer 6 Strict
	{
		return document.documentElement.scrollLeft;
	}
	else if (document.body) // all other Explorers
	{
		return document.body.scrollLeft;
	}
}

function setFirstNodeValById(actId,actVal)
{
 var element = document.getElementById(actId);
 var firstNode = element.childNodes[0];
 firstNode.nodeValue = actVal;
}

function getNodeInnerTextById(actId)
{
 var element = document.getElementById(actId);
 return element.innerText;
}

function is_array(actVar)
{ 
   if((actVar !== undefined)&&(actVar !== null))
	  return ((typeof actVar == 'object') &&(actVar.length !== undefined));
   else
   	return false;
}

function comboDeleteAllItems(actComboObj)
{	
 var num = actComboObj.length;
 for(var i=0;i<=num-1;i++)
 {
 	actComboObj.remove(0);
 }
}

function ApriPopup(FileToOpen, W, H, rif, Full) {
	if (Full=="S") {
		window.open(FileToOpen, rif,"width=" + W + ",height=" + H + ",toolbar=yes,location=yes,status=yes,menubar=yes,resizable=yes,scrollbars=yes");}
	else {
		window.open(FileToOpen, rif,"width=" + W + ",height=" + H + ",toolbar=no,location=no,status=no,menubar=no,resizable=yes,scrollbars=yes");}
	}