// FancyZoomHTML.js - v1.0
// Used to draw necessary HTML elements for FancyZoom
//
// Copyright (c) 2008 Cabel Sasser / Panic Inc
// All rights reserved.

function insertZoomHTML() {

  // All of this junk creates the three <div>'s used to hold the closebox, image, and zoom shadow.
  
  var inBody = document.getElementsByTagName("body").item(0);
  
  // WAIT SPINNER
  
  var inSpinbox = document.createElement("div");
  inSpinbox.setAttribute('id', 'ZoomSpin');
  inSpinbox.style.position = 'absolute';
  inSpinbox.style.left = '10px';
  inSpinbox.style.top = '10px';
  inSpinbox.style.visibility = 'hidden';
  inSpinbox.style.zIndex = '525';
  inBody.insertBefore(inSpinbox, inBody.firstChild);
  
  var inSpinImage = document.createElement("img");
  inSpinImage.setAttribute('id', 'SpinImage');
  inSpinImage.setAttribute('src', zoomImagesURI+'zoom-spin-1.png');
  inSpinbox.appendChild(inSpinImage);
  
  // ZOOM IMAGE
  //
  // <div id="ZoomBox">
  //   <a href="javascript:zoomOut();"><img src="/images/spacer.gif" id="ZoomImage" border="0"></a> <!-- THE IMAGE -->
  //   <div id="ZoomClose">
  //     <a href="javascript:zoomOut();"><img src="/images/closebox.png" width="30" height="30" border="0"></a>
  //   </div>
  // </div>
  
  var inZoombox = document.createElement("div");
  inZoombox.setAttribute('id', 'ZoomBox');
  
  inZoombox.style.position = 'absolute'; 
  inZoombox.style.left = '10px';
  inZoombox.style.top = '10px';
  inZoombox.style.visibility = 'hidden';
  inZoombox.style.zIndex = '499';
  
  inBody.insertBefore(inZoombox, inSpinbox.nextSibling);
  
  var inImage1 = document.createElement("img");
  inImage1.onclick = function (event) { zoomOut(this, event); return false; };  
  inImage1.setAttribute('src',zoomImagesURI+'spacer.gif');
  inImage1.setAttribute('id','ZoomImage');
  inImage1.setAttribute('border', '0');
  // inImage1.setAttribute('onMouseOver', 'zoomMouseOver();')
  // inImage1.setAttribute('onMouseOut', 'zoomMouseOut();')
  
  // This must be set first, so we can later test it using webkitBoxShadow.
  inImage1.setAttribute('style', '-webkit-box-shadow: '+shadowSettings+'0.0)');
  inImage1.style.display = 'block';
  inImage1.style.width = '10px';
  inImage1.style.height = '10px';
  inImage1.style.cursor = 'pointer'; // -webkit-zoom-out?
  inZoombox.appendChild(inImage1);

  var inClosebox = document.createElement("div");
  inClosebox.setAttribute('id', 'ZoomClose');
  inClosebox.style.position = 'absolute';
  
  // In MSIE, we need to put the close box inside the image.
  // It's 2008 and I'm having to do a browser detect? Sigh.
  if (browserIsIE) {
    inClosebox.style.left = '-1px';
    inClosebox.style.top = '0px';  
  } else {
    inClosebox.style.left = '-15px';
    inClosebox.style.top = '-15px';
  }
  
  inClosebox.style.visibility = 'hidden';
  inZoombox.appendChild(inClosebox);
    
  var inImage2 = document.createElement("img");
  inImage2.onclick = function (event) { zoomOut(this, event); return false; };  
  inImage2.setAttribute('src',zoomImagesURI+'closebox.png');    
  inImage2.setAttribute('width','30');
  inImage2.setAttribute('height','30');
  inImage2.setAttribute('border','0');
  inImage2.style.cursor = 'pointer';    
  inClosebox.appendChild(inImage2);
  
  // SHADOW
  // Only draw the table-based shadow if the programatic webkitBoxShadow fails!
  // Also, don't draw it if we're IE -- it wouldn't look quite right anyway.
  
  if (! document.getElementById('ZoomImage').style.webkitBoxShadow && ! browserIsIE) {

    // SHADOW BASE
    
    var inFixedBox = document.createElement("div");
    inFixedBox.setAttribute('id', 'ShadowBox');
    inFixedBox.style.position = 'absolute'; 
    inFixedBox.style.left = '50px';
    inFixedBox.style.top = '50px';
    inFixedBox.style.width = '100px';
    inFixedBox.style.height = '100px';
    inFixedBox.style.visibility = 'hidden';
    inFixedBox.style.zIndex = '498';
    inBody.insertBefore(inFixedBox, inZoombox.nextSibling);  
  
    // SHADOW
    // Now, the shadow table. Skip if not compatible, or irrevelant with -box-shadow.
    
    // <div id="ShadowBox"><table border="0" width="100%" height="100%" cellpadding="0" cellspacing="0"> X
    //   <tr height="25">
    //   <td width="27"><img src="/images/zoom-shadow1.png" width="27" height="25"></td>
    //   <td background="/images/zoom-shadow2.png">&nbsp;</td>
    //   <td width="27"><img src="/images/zoom-shadow3.png" width="27" height="25"></td>
    //   </tr>
    
    var inShadowTable = document.createElement("table");
    inShadowTable.setAttribute('border', '0');
    inShadowTable.setAttribute('width', '100%');
    inShadowTable.setAttribute('height', '100%');
    inShadowTable.setAttribute('cellpadding', '0');
    inShadowTable.setAttribute('cellspacing', '0');
    inFixedBox.appendChild(inShadowTable);

    var inShadowTbody = document.createElement("tbody");  // Needed for IE (for HTML4).
    // ###SRG ADDED NEXT LINE (c.f. http://www.michaelvanallen.com/development/tweaking-fancyzoom-for-firefox-3-5/)
    inShadowTbody.style.backgroundColor = 'transparent'; // Force transparency
    inShadowTable.appendChild(inShadowTbody);
    
    var inRow1 = document.createElement("tr");
    inRow1.style.height = '25px';
    inShadowTbody.appendChild(inRow1);
    
    var inCol1 = document.createElement("td");
    inCol1.style.width = '27px';
    inRow1.appendChild(inCol1);  
    var inShadowImg1 = document.createElement("img");
    inShadowImg1.setAttribute('src', zoomImagesURI+'zoom-shadow1.png');
    inShadowImg1.setAttribute('width', '27');
    inShadowImg1.setAttribute('height', '25');
    inShadowImg1.style.display = 'block';
    inCol1.appendChild(inShadowImg1);
    
    var inCol2 = document.createElement("td");
    inCol2.setAttribute('background', zoomImagesURI+'zoom-shadow2.png');
    inRow1.appendChild(inCol2);
    // inCol2.innerHTML = '<img src=';
    var inSpacer1 = document.createElement("img");
    inSpacer1.setAttribute('src',zoomImagesURI+'spacer.gif');
    inSpacer1.setAttribute('height', '1');
    inSpacer1.setAttribute('width', '1');
    inSpacer1.style.display = 'block';
    inCol2.appendChild(inSpacer1);
    
    var inCol3 = document.createElement("td");
    inCol3.style.width = '27px';
    inRow1.appendChild(inCol3);  
    var inShadowImg3 = document.createElement("img");
    inShadowImg3.setAttribute('src', zoomImagesURI+'zoom-shadow3.png');
    inShadowImg3.setAttribute('width', '27');
    inShadowImg3.setAttribute('height', '25');
    inShadowImg3.style.display = 'block';
    inCol3.appendChild(inShadowImg3);
    
    //   <tr>
    //   <td background="/images/zoom-shadow4.png">&nbsp;</td>
    //   <td bgcolor="#ffffff">&nbsp;</td>
    //   <td background="/images/zoom-shadow5.png">&nbsp;</td>
    //   </tr>
    
    inRow2 = document.createElement("tr");
    inShadowTbody.appendChild(inRow2);
    
    var inCol4 = document.createElement("td");
    inCol4.setAttribute('background', zoomImagesURI+'zoom-shadow4.png');
    inRow2.appendChild(inCol4);
    // inCol4.innerHTML = '&nbsp;';
    var inSpacer2 = document.createElement("img");
    inSpacer2.setAttribute('src',zoomImagesURI+'spacer.gif');
    inSpacer2.setAttribute('height', '1');
    inSpacer2.setAttribute('width', '1');
    inSpacer2.style.display = 'block';
    inCol4.appendChild(inSpacer2);
    
    var inCol5 = document.createElement("td");
    inCol5.setAttribute('bgcolor', '#ffffff');
    inRow2.appendChild(inCol5);
    // inCol5.innerHTML = '&nbsp;';
    var inSpacer3 = document.createElement("img");
    inSpacer3.setAttribute('src',zoomImagesURI+'spacer.gif');
    inSpacer3.setAttribute('height', '1');
    inSpacer3.setAttribute('width', '1');
    inSpacer3.style.display = 'block';
    inCol5.appendChild(inSpacer3);
    
    var inCol6 = document.createElement("td");
    inCol6.setAttribute('background', zoomImagesURI+'zoom-shadow5.png');
    inRow2.appendChild(inCol6);
    // inCol6.innerHTML = '&nbsp;';
    var inSpacer4 = document.createElement("img");
    inSpacer4.setAttribute('src',zoomImagesURI+'spacer.gif');
    inSpacer4.setAttribute('height', '1');
    inSpacer4.setAttribute('width', '1');
    inSpacer4.style.display = 'block';
    inCol6.appendChild(inSpacer4);
    
    //   <tr height="26">
    //   <td width="27"><img src="/images/zoom-shadow6.png" width="27" height="26"</td>
    //   <td background="/images/zoom-shadow7.png">&nbsp;</td>
    //   <td width="27"><img src="/images/zoom-shadow8.png" width="27" height="26"></td>
    //   </tr>  
    // </table>
    
    var inRow3 = document.createElement("tr");
    inRow3.style.height = '26px';
    inShadowTbody.appendChild(inRow3);
    
    var inCol7 = document.createElement("td");
    inCol7.style.width = '27px';
    inRow3.appendChild(inCol7);
    var inShadowImg7 = document.createElement("img");
    inShadowImg7.setAttribute('src', zoomImagesURI+'zoom-shadow6.png');
    inShadowImg7.setAttribute('width', '27');
    inShadowImg7.setAttribute('height', '26');
    inShadowImg7.style.display = 'block';
    inCol7.appendChild(inShadowImg7);
    
    var inCol8 = document.createElement("td");
    inCol8.setAttribute('background', zoomImagesURI+'zoom-shadow7.png');
    inRow3.appendChild(inCol8);  
    // inCol8.innerHTML = '&nbsp;';
    var inSpacer5 = document.createElement("img");
    inSpacer5.setAttribute('src',zoomImagesURI+'spacer.gif');
    inSpacer5.setAttribute('height', '1');
    inSpacer5.setAttribute('width', '1');
    inSpacer5.style.display = 'block';
    inCol8.appendChild(inSpacer5);
    
    var inCol9 = document.createElement("td");
    inCol9.style.width = '27px';
    inRow3.appendChild(inCol9);  
    var inShadowImg9 = document.createElement("img");
    inShadowImg9.setAttribute('src', zoomImagesURI+'zoom-shadow8.png');
    inShadowImg9.setAttribute('width', '27');
    inShadowImg9.setAttribute('height', '26');
    inShadowImg9.style.display = 'block';
    inCol9.appendChild(inShadowImg9);
  }

  if (includeCaption) {
  
    // CAPTION
    //
    // <div id="ZoomCapDiv" style="margin-left: 13px; margin-right: 13px;">
    // <table border="1" cellpadding="0" cellspacing="0">
    // <tr height="26">
    // <td><img src="zoom-caption-l.png" width="13" height="26"></td>
    // <td rowspan="3" background="zoom-caption-fill.png"><div id="ZoomCaption"></div></td>
    // <td><img src="zoom-caption-r.png" width="13" height="26"></td>
    // </tr>
    // </table>
    // </div>
    
    var inCapDiv = document.createElement("div");
    inCapDiv.setAttribute('id', 'ZoomCapDiv');
    inCapDiv.style.position = 'absolute';     
    inCapDiv.style.visibility = 'hidden';
    inCapDiv.style.marginLeft = 'auto';
    inCapDiv.style.marginRight = 'auto';
    inCapDiv.style.zIndex = '501';

    inBody.insertBefore(inCapDiv, inZoombox.nextSibling);
    
    var inCapTable = document.createElement("table");
    inCapTable.setAttribute('border', '0');
    inCapTable.setAttribute('cellPadding', '0');  // Wow. These honestly need to
    inCapTable.setAttribute('cellSpacing', '0');  // be intercapped to work in IE. WTF?
    inCapDiv.appendChild(inCapTable);
    
    var inTbody = document.createElement("tbody");  // Needed for IE (for HTML4).
    inCapTable.appendChild(inTbody);
    
    var inCapRow1 = document.createElement("tr");
    inTbody.appendChild(inCapRow1);
    
    var inCapCol1 = document.createElement("td");
    inCapCol1.setAttribute('align', 'right');
    inCapRow1.appendChild(inCapCol1);
    var inCapImg1 = document.createElement("img");
    inCapImg1.setAttribute('src', zoomImagesURI+'zoom-caption-l.png');
    inCapImg1.setAttribute('width', '13');
    inCapImg1.setAttribute('height', '26');
    inCapImg1.style.display = 'block';
    inCapCol1.appendChild(inCapImg1);
    
    var inCapCol2 = document.createElement("td");
    inCapCol2.setAttribute('background', zoomImagesURI+'zoom-caption-fill.png');
    inCapCol2.setAttribute('id', 'ZoomCaption');
    inCapCol2.setAttribute('valign', 'middle');
    inCapCol2.style.fontSize = '14px';
    inCapCol2.style.fontFamily = 'Helvetica';
    inCapCol2.style.fontWeight = 'bold';
    inCapCol2.style.color = '#ffffff';
    inCapCol2.style.textShadow = '0px 2px 4px #000000';
    inCapCol2.style.whiteSpace = 'nowrap';
    inCapRow1.appendChild(inCapCol2);
    
    var inCapCol3 = document.createElement("td");
    inCapRow1.appendChild(inCapCol3);
    var inCapImg2 = document.createElement("img");
    inCapImg2.setAttribute('src', zoomImagesURI+'zoom-caption-r.png');
    inCapImg2.setAttribute('width', '13');
    inCapImg2.setAttribute('height', '26');
    inCapImg2.style.display = 'block';
    inCapCol3.appendChild(inCapImg2);
  }
}