/*
	Conduit.Web.Common.js
	Author: Bennor McCarthy
*/


// fix missing document.getElementById function in old MSIE
if( document.all && !document.getElementById )
    document.getElementById = function(id) { return document.all[id]; }

// function used for onkeydown to assign the correct button click (ASP.NET single-form multiple-submit fix)
function trapEnter(btnId, event)
{
    var isEnter = false;
    var btn = null;
    if( document.getElementById )
    {
        btn = document.getElementById(btnId);
        if( btn && ( event.which && event.which == 13 ) || ( event.keyCode && event.keyCode == 13 ) )
        {
            event.returnValue = false;
            event.cancel = true;
            btn.click();
            return false;
        }
    }
    return true;
}


function disableButton(button, text, validationGroup)
{
	if (Page_ClientValidate && Page_ClientValidate(validationGroup) == false) 
		return false;
	
	var fakebutton = document.createElement('input');
	fakebutton.type = button.type;
	fakebutton.className = button.className;
	fakebutton.disabled = true;
	fakebutton.value = text;
	button.style.visibility = 'hidden';
	button.parentNode.insertBefore(fakebutton, button);
	
	return true;
}

function fixMSIEActiveX()
{
	if( !$B('MSIE') )
		return;
	var objects = document.getElementsByTagName("object");
	for( var i = 0; i < objects.length; i++ )
		objects[i].outerHTML = objects[i].outerHTML;
}

// coalesce element reference by id or ref
// the parameter can be an element reference (usually passed with 'this'),
// or an id string
function $(el)
{ 
	if(typeof el == 'string')
		return document.getElementById(el);
	// assume el is already an element reference
	return el;
}

// trim whitespace from the start & end of a string, or an element's value
function $T(el) 
{
	var s;
	if(typeof(el) == "string" && !$(el))
	{
		s = el;
		el = null; // clear the value of el (so we don't try and update it later)
	}
	else
	{
		el = $(el);
		if(!el || el.getAttribute('value') == null)
			return;
		s = el.value;
	}
		
	// remove leading whitespace
	s = s.replace(/^\s+/, '');
	// remove trailing whitespace
	s = s.replace(/\s+$/, '');
	
	if(el) // if el is still set, then we want to update the value
		el.value = s;
	return s;
}

// open a new window, with the url provided in the parameter element's href or src attribute
function $NW(el, name, width, height, scrollbars)
{
	var url;
	if(typeof(el) == 'string')
		url = el;
	
	el = $(el);
	if(el)
	{
		// element exists
		if(el.href != null)
			url = el.href
		else if(el.src)
			url = el.src;
		else
			return false;
	}
	if( !url )
		return false;
		
	if(!name)
		name = '_new';
		
	if(width && height)
	{
		var options = 'width=' + width + ',height=' + height + ',scrollbars=' + (scrollbars ? 'yes' : 'no') + ',status=no,menubar=no,location=no';
		window.open(url, name, options);
	}
	else
		window.open(url, name);
		


	return false;
}

// get the user agent string, or if a parameter is supplied, check the user agent string for presence of the parameter
function $B()
{
	if(arguments.length == 0)
		return navigator.userAgent;
	return (navigator.userAgent.toLowerCase().indexOf(arguments[0].toLowerCase()) != -1);
}

/* x.js compiled from X 4.0 with XC 0.28b. Distributed under GNU LGPL. For copyrights, license, documentation and more visit Cross-Browser.com */
// globals, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

var xOp7Up,xOp6Dn,xIE4Up,xIE4,xIE5,xNN4,xUA=navigator.userAgent.toLowerCase();
if(window.opera){
  var i=xUA.indexOf('opera');
  if(i!=-1){
    var v=parseInt(xUA.charAt(i+6));
    xOp7Up=v>=7;
    xOp6Dn=v<7;
  }
}
else if(navigator.vendor!='KDE' && document.all && xUA.indexOf('msie')!=-1){
  xIE4Up=parseFloat(navigator.appVersion)>=4;
  xIE4=xUA.indexOf('msie 4')!=-1;
  xIE5=xUA.indexOf('msie 5')!=-1;
}
else if(document.layers){xNN4=true;}
xMac=xUA.indexOf('mac')!=-1;
// xClientHeight, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xClientHeight()
{
  var h=0;
  if(xOp6Dn) h=window.innerHeight;
  else if(document.compatMode == 'CSS1Compat' && !window.opera && document.documentElement && document.documentElement.clientHeight)
    h=document.documentElement.clientHeight;
  else if(document.body && document.body.clientHeight)
    h=document.body.clientHeight;
  else if(xDef(window.innerWidth,window.innerHeight,document.width)) {
    h=window.innerHeight;
    if(document.width>window.innerWidth) h-=16;
  }
  return h;
}
// xClientWidth, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xClientWidth()
{
  var w=0;
  if(xOp6Dn) w=window.innerWidth;
  else if(document.compatMode == 'CSS1Compat' && !window.opera && document.documentElement && document.documentElement.clientWidth)
    w=document.documentElement.clientWidth;
  else if(document.body && document.body.clientWidth)
    w=document.body.clientWidth;
  else if(xDef(window.innerWidth,window.innerHeight,document.height)) {
    w=window.innerWidth;
    if(document.height>window.innerHeight) w-=16;
  }
  return w;
}
// xDef, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xDef()
{
  for(var i=0; i<arguments.length; ++i){if(typeof(arguments[i])=='undefined') return false;}
  return true;
}
// xGetComputedStyle, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xGetComputedStyle(oEle, sProp, bInt)
{
  var s, p = 'undefined';
  var dv = document.defaultView;
  if(dv && dv.getComputedStyle){
    s = dv.getComputedStyle(oEle,'');
    if (s) p = s.getPropertyValue(sProp);
  }
  else if(oEle.currentStyle) {
    // convert css property name to object property name for IE
    var a = sProp.split('-');
    sProp = a[0];
    for (var i=1; i<a.length; ++i) {
      c = a[i].charAt(0);
      sProp += a[i].replace(c, c.toUpperCase());
    }   
    p = oEle.currentStyle[sProp];
  }
  else return null;
  return bInt ? (parseInt(p) || 0) : p;
}

// xGetElementById, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xGetElementById(e)
{
  if(typeof(e)!='string') return e;
  if(document.getElementById) e=document.getElementById(e);
  else if(document.all) e=document.all[e];
  else e=null;
  return e;
}
// xHeight, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xHeight(e,h)
{
  if(!(e=xGetElementById(e))) return 0;
  if (xNum(h)) {
    if (h<0) h = 0;
    else h=Math.round(h);
  }
  else h=-1;
  var css=xDef(e.style);
  if (e == document || e.tagName.toLowerCase() == 'html' || e.tagName.toLowerCase() == 'body') {
    h = xClientHeight();
  }
  else if(css && xDef(e.offsetHeight) && xStr(e.style.height)) {
    if(h>=0) {
      var pt=0,pb=0,bt=0,bb=0;
      if (document.compatMode=='CSS1Compat') {
        var gcs = xGetComputedStyle;
        pt=gcs(e,'padding-top',1);
        if (pt !== null) {
          pb=gcs(e,'padding-bottom',1);
          bt=gcs(e,'border-top-width',1);
          bb=gcs(e,'border-bottom-width',1);
        }
        // Should we try this as a last resort?
        // At this point getComputedStyle and currentStyle do not exist.
        else if(xDef(e.offsetHeight,e.style.height)){
          e.style.height=h+'px';
          pt=e.offsetHeight-h;
        }
      }
      h-=(pt+pb+bt+bb);
      if(isNaN(h)||h<0) return;
      else e.style.height=h+'px';
    }
    h=e.offsetHeight;
  }
  else if(css && xDef(e.style.pixelHeight)) {
    if(h>=0) e.style.pixelHeight=h;
    h=e.style.pixelHeight;
  }
  return h;
}
// xNum, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xNum()
{
  for(var i=0; i<arguments.length; ++i){if(isNaN(arguments[i]) || typeof(arguments[i])!='number') return false;}
  return true;
}
// xPageX, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xPageX(e)
{
  if (!(e=xGetElementById(e))) return 0;
  var x = 0;
  while (e) {
    if (xDef(e.offsetLeft)) x += e.offsetLeft;
    e = xDef(e.offsetParent) ? e.offsetParent : null;
  }
  return x;
}
// xPageY, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xPageY(e)
{
  if (!(e=xGetElementById(e))) return 0;
  var y = 0;
  while (e) {
    if (xDef(e.offsetTop)) y += e.offsetTop;
    e = xDef(e.offsetParent) ? e.offsetParent : null;
  }
//  if (xOp7Up) return y - document.body.offsetTop; // v3.14, temporary hack for opera bug 130324 (reported 1nov03)
  return y;
}
// xStr, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xStr(s)
{
  for(var i=0; i<arguments.length; ++i){if(typeof(arguments[i])!='string') return false;}
  return true;
}
// xWidth, Copyright 2001-2005 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xWidth(e,w)
{
  if(!(e=xGetElementById(e))) return 0;
  if (xNum(w)) {
    if (w<0) w = 0;
    else w=Math.round(w);
  }
  else w=-1;
  var css=xDef(e.style);
  if (e == document || e.tagName.toLowerCase() == 'html' || e.tagName.toLowerCase() == 'body') {
    w = xClientWidth();
  }
  else if(css && xDef(e.offsetWidth) && xStr(e.style.width)) {
    if(w>=0) {
      var pl=0,pr=0,bl=0,br=0;
      if (document.compatMode=='CSS1Compat') {
        var gcs = xGetComputedStyle;
        pl=gcs(e,'padding-left',1);
        if (pl !== null) {
          pr=gcs(e,'padding-right',1);
          bl=gcs(e,'border-left-width',1);
          br=gcs(e,'border-right-width',1);
        }
        // Should we try this as a last resort?
        // At this point getComputedStyle and currentStyle do not exist.
        else if(xDef(e.offsetWidth,e.style.width)){
          e.style.width=w+'px';
          pl=e.offsetWidth-w;
        }
      }
      w-=(pl+pr+bl+br);
      if(isNaN(w)||w<0) return;
      else e.style.width=w+'px';
    }
    w=e.offsetWidth;
  }
  else if(css && xDef(e.style.pixelWidth)) {
    if(w>=0) e.style.pixelWidth=w;
    w=e.style.pixelWidth;
  }
  return w;
}