///////////////////////////////////////////////////////////////////////////////

// COPYRIGHT 2008 www.FloatingActionButton.com                               //

// A WebCodeTechnology.com product                                           //

//                                                                           //

// All Rights Reserved                                                       //

///////////////////////////////////////////////////////////////////////////////



// Position Constants

var LEFT = 1;

var MIDDLE = 2;

var RIGHT = 3;

var TOP = 1;

var BOTTOM =3;



// Selected Position of Button

var hAlign =  MIDDLE;

var vAlign = TOP;



// Padding/Margin   Left/Right Margin     Top/Bottom Margin

var fabHMargin = 0; 

var fabVMargin = 1;



var fabStartDelay = 1000;

var fabSlideTime = 700;

var fabOpacity = 1; 



xAddEventListener(window, 'load',

  function () {

    

    var e = xCreateElement('DIV');

    e.id = "divActionButton";

    e.style.backgroundColor = "#FFFFFF";

    e.style.padding = "0";

    xInnerHtml(e, "<img src=\"http://www.ezclicking.com/images/ezclickingheadtrial2.gif\">");    

    document.body.appendChild(e);

       

    xOpacity("divActionButton",fabOpacity);

    setTimeout("winOnResize()",fabStartDelay);    

    xAddEventListener(window, 'resize', winOnResize, false);

    xAddEventListener(window, 'scroll', winOnScroll, false);

 

  }, false

);



function closeFab() {

   xVisibility('divActionButton', false);	 

}



function winOnResize() {

  xMoveTo('divActionButton', calculateXpos(), calculateYpos());

  xVisibility('divActionButton', true);	  

  winOnScroll(); // initial slide

}



function winOnScroll() {

  xSlideTo('divActionButton', calculateXpos(), calculateYpos(), fabSlideTime);

}



function calculateXpos() {

  

  switch(hAlign) {

      case LEFT: return fabHMargin;

      case MIDDLE: return (xClientWidth()/2) -  (xWidth('divActionButton')/2);

      case RIGHT: return xClientWidth()-xWidth('divActionButton') - fabHMargin;

  }

}



function calculateYpos() {

  

  switch(vAlign) {

      case TOP: return xScrollTop() + fabVMargin;

      case MIDDLE: return xScrollTop() + ((xClientHeight()/2) -  (xHeight('divActionButton')/2));

      case BOTTOM: return xScrollTop() + xClientHeight()-xHeight('divActionButton') - fabVMargin;

  }  

}





// XBrowser Functions below



/* Compiled from X 4.17 by XC 1.06 on 17Nov07 */

xLibrary={version:'4.17',license:'GNU LGPL',url:'http://cross-browser.com/'};

// xAddEventListener r8, Copyright 2001-2007 Michael Foster (Cross-Browser.com)

// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL



function xAddEventListener(e,eT,eL,cap)

{

  if(!(e=xGetElementById(e)))return;

  eT=eT.toLowerCase();

  if(e.addEventListener)e.addEventListener(eT,eL,cap||false);

  else if(e.attachEvent)e.attachEvent('on'+eT,eL);

  else {

    var o=e['on'+eT];

    e['on'+eT]=typeof o=='function' ? function(v){o(v);eL(v);} : eL;

  }

}

// xCamelize r1, Copyright 2007 Michael Foster (Cross-Browser.com)

// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL



function xCamelize(cssPropStr)

{

  var i, c, a = cssPropStr.split('-');

  var s = a[0];

  for (i=1; i<a.length; ++i) {

    c = a[i].charAt(0);

    s += a[i].replace(c, c.toUpperCase());

  }

  return s;

}

// xClientHeight r5, Copyright 2001-2007 Michael Foster (Cross-Browser.com)

// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL



function xClientHeight()

{

  var v=0,d=document,w=window;

  if((!d.compatMode || d.compatMode == 'CSS1Compat') && !w.opera && d.documentElement && d.documentElement.clientHeight)

    {v=d.documentElement.clientHeight;}

  else if(d.body && d.body.clientHeight)

    {v=d.body.clientHeight;}

  else if(xDef(w.innerWidth,w.innerHeight,d.width)) {

    v=w.innerHeight;

    if(d.width>w.innerWidth) v-=16;

  }

  return v;

}

// xClientWidth r5, Copyright 2001-2007 Michael Foster (Cross-Browser.com)

// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL



function xClientWidth()

{

  var v=0,d=document,w=window;

  if((!d.compatMode || d.compatMode == 'CSS1Compat') && !w.opera && d.documentElement && d.documentElement.clientWidth)

    {v=d.documentElement.clientWidth;}

  else if(d.body && d.body.clientWidth)

    {v=d.body.clientWidth;}

  else if(xDef(w.innerWidth,w.innerHeight,d.height)) {

    v=w.innerWidth;

    if(d.height>w.innerHeight) v-=16;

  }

  return v;

}

// xDef r1, Copyright 2001-2007 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 r7, Copyright 2002-2007 Michael Foster (Cross-Browser.com)

// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL



function xGetComputedStyle(e, p, i)

{

  if(!(e=xGetElementById(e))) return null;

  var s, v = 'undefined', dv = document.defaultView;

  if(dv && dv.getComputedStyle){

    s = dv.getComputedStyle(e,'');

    if (s) v = s.getPropertyValue(p);

  }

  else if(e.currentStyle) {

    v = e.currentStyle[xCamelize(p)];

  }

  else return null;

  return i ? (parseInt(v) || 0) : v;

}



// xGetElementById r2, Copyright 2001-2007 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') {

    if(document.getElementById) e=document.getElementById(e);

    else if(document.all) e=document.all[e];

    else e=null;

  }

  return e;

}

// xHeight r6, Copyright 2001-2007 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;

}

// xLeft r2, Copyright 2001-2007 Michael Foster (Cross-Browser.com)

// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL



function xLeft(e, iX)

{

  if(!(e=xGetElementById(e))) return 0;

  var css=xDef(e.style);

  if (css && xStr(e.style.left)) {

    if(xNum(iX)) e.style.left=iX+'px';

    else {

      iX=parseInt(e.style.left);

      if(isNaN(iX)) iX=xGetComputedStyle(e,'left',1);

      if(isNaN(iX)) iX=0;

    }

  }

  else if(css && xDef(e.style.pixelLeft)) {

    if(xNum(iX)) e.style.pixelLeft=iX;

    else iX=e.style.pixelLeft;

  }

  return iX;

}

// xMoveTo r1, Copyright 2001-2007 Michael Foster (Cross-Browser.com)

// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL



function xMoveTo(e,x,y)

{

  xLeft(e,x);

  xTop(e,y);

}

// xNum r2, Copyright 2001-2007 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;

}

// xOpacity r1, Copyright 2006-2007 Michael Foster (Cross-Browser.com)

// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL



function xOpacity(e, o)

{

  var set = xDef(o);

  //  if (set && o == 1) o = .9999; // FF1.0.2 but not needed in 1.5

  if(!(e=xGetElementById(e))) return 2; // error

  if (xStr(e.style.opacity)) { // CSS3

    if (set) e.style.opacity = o + '';

    else o = parseFloat(e.style.opacity);

  }

  else if (xStr(e.style.filter)) { // IE5.5+

    if (set) e.style.filter = 'alpha(opacity=' + (100 * o) + ')';

    else if (e.filters && e.filters.alpha) { o = e.filters.alpha.opacity / 100; }

  }

  else if (xStr(e.style.MozOpacity)) { // Gecko before CSS3 support

    if (set) e.style.MozOpacity = o + '';

    else o = parseFloat(e.style.MozOpacity);

  }

  else if (xStr(e.style.KhtmlOpacity)) { // Konquerer and Safari

    if (set) e.style.KhtmlOpacity = o + '';

    else o = parseFloat(e.style.KhtmlOpacity);

  }

  return isNaN(o) ? 1 : o; // if NaN, should this return an error instead of 1?

}

// xScrollTop r3, Copyright 2001-2007 Michael Foster (Cross-Browser.com)

// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL



function xScrollTop(e, bWin)

{

  var offset=0;

  if (!xDef(e) || bWin || e == document || e.tagName.toLowerCase() == 'html' || e.tagName.toLowerCase() == 'body') {

    var w = window;

    if (bWin && e) w = e;

    if(w.document.documentElement && w.document.documentElement.scrollTop) offset=w.document.documentElement.scrollTop;

    else if(w.document.body && xDef(w.document.body.scrollTop)) offset=w.document.body.scrollTop;

  }

  else {

    e = xGetElementById(e);

    if (e && xNum(e.scrollTop)) offset = e.scrollTop;

  }

  return offset;

}

// xSlideTo r3, Copyright 2001-2007 Michael Foster (Cross-Browser.com)

// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL



function xSlideTo(e, x, y, uTime)

{

  if (!(e=xGetElementById(e))) return;

  if (!e.timeout) e.timeout = 25;

  e.xTarget = x; e.yTarget = y; e.slideTime = uTime; e.stop = false;

  e.yA = e.yTarget - xTop(e); e.xA = e.xTarget - xLeft(e); // A = distance

  if (e.slideLinear) e.B = 1/e.slideTime;

  else e.B = Math.PI / (2 * e.slideTime); // B = period

  e.yD = xTop(e); e.xD = xLeft(e); // D = initial position

  var d = new Date(); e.C = d.getTime();

  if (!e.moving) _xSlideTo(e);

}

function _xSlideTo(e)

{

  if (!(e=xGetElementById(e))) return;

  var now, s, t, newY, newX;

  now = new Date();

  t = now.getTime() - e.C;

  if (e.stop) { e.moving = false; }

  else if (t < e.slideTime) {

    setTimeout("_xSlideTo('"+e.id+"')", e.timeout);



    s = e.B * t;

    if (!e.slideLinear) s = Math.sin(s);

//    if (e.slideLinear) s = e.B * t;

//    else s = Math.sin(e.B * t);



    newX = Math.round(e.xA * s + e.xD);

    newY = Math.round(e.yA * s + e.yD);

    xMoveTo(e, newX, newY);

    e.moving = true;

  }  

  else {

    xMoveTo(e, e.xTarget, e.yTarget);

    e.moving = false;

    if (e.onslideend) e.onslideend();

  }  

}



// xStr r1, Copyright 2001-2007 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;

}

// xTop r2, Copyright 2001-2007 Michael Foster (Cross-Browser.com)

// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL



function xTop(e, iY)

{

  if(!(e=xGetElementById(e))) return 0;

  var css=xDef(e.style);

  if(css && xStr(e.style.top)) {

    if(xNum(iY)) e.style.top=iY+'px';

    else {

      iY=parseInt(e.style.top);

      if(isNaN(iY)) iY=xGetComputedStyle(e,'top',1);

      if(isNaN(iY)) iY=0;

    }

  }

  else if(css && xDef(e.style.pixelTop)) {

    if(xNum(iY)) e.style.pixelTop=iY;

    else iY=e.style.pixelTop;

  }

  return iY;

}

// xVisibility r1, Copyright 2003-2007 Michael Foster (Cross-Browser.com)

// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL



function xVisibility(e, bShow)

{

  if(!(e=xGetElementById(e))) return null;

  if(e.style && xDef(e.style.visibility)) {

    if (xDef(bShow)) e.style.visibility = bShow ? 'visible' : 'hidden';

    return e.style.visibility;

  }

  return null;

}



//function xVisibility(e,s)

//{

//  if(!(e=xGetElementById(e))) return null;

//  var v = 'visible', h = 'hidden';

//  if(e.style && xDef(e.style.visibility)) {

//    if (xDef(s)) {

//      // try to maintain backwards compatibility (???)

//      if (xStr(s)) e.style.visibility = s;

//      else e.style.visibility = s ? v : h;

//    }

//    return e.style.visibility;

//    // or...

//    // if (e.style.visibility.length) return e.style.visibility;

//    // else return xGetComputedStyle(e, 'visibility');

//  }

//  else if (xDef(e.visibility)) { // NN4

//    if (xDef(s)) {

//      // try to maintain backwards compatibility

//      if (xStr(s)) e.visibility = (s == v) ? 'show' : 'hide';

//      else e.visibility = s ? v : h;

//    }

//    return (e.visibility == 'show') ? v : h;

//  }

//  return null;

//}

// xWidth r6, Copyright 2001-2007 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;

}



// xCreateElement r1, Copyright 2001-2007 Michael Foster (Cross-Browser.com)

// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL



function xCreateElement(sTag)

{

  if (document.createElement) return document.createElement(sTag);

  else return null;

}



// xInnerHtml r1, Copyright 2001-2007 Michael Foster (Cross-Browser.com)

// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL



function xInnerHtml(e,h)

{

  if(!(e=xGetElementById(e)) || !xStr(e.innerHTML)) return null;

  var s = e.innerHTML;

  if (xStr(h)) {e.innerHTML = h;}

  return s;

}