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// ### This module accounts for the main svg document

//
SVG.Doc = function Doc(element) {
  this.constructor.call(this, SVG.create('svg'));
  
  /* ensure the presence of a html element */
  this.parent = typeof element == 'string' ?
    document.getElementById(element) :
    element;
  
  /* set svg element attributes and create the <defs> node */
  this.
    attr({ xmlns: SVG.ns, version: '1.1', width: '100%', height: '100%' }).
    attr('xlink', SVG.xlink, SVG.ns).
    defs();
  
  /* ensure correct rendering for safari */
  this.stage(); 
};

// Inherits from SVG.Container
SVG.Doc.prototype = new SVG.Container();

// Hack for safari preventing text to be rendered in one line.
// Basically it sets the position of the svg node to absolute
// when the dom is loaded, and resets it to relative a few milliseconds later.
SVG.Doc.prototype.stage = function() {
  var check,
      element = this,
      wrapper = document.createElement('div');
  
  /* set temp wrapper to position relative */
  wrapper.style.cssText = 'position:relative;height:100%;';
  
  /* put element into wrapper */
  element.parent.appendChild(wrapper);
  wrapper.appendChild(element.node);
  
  /* check for dom:ready */
  check = function() {
    if (document.readyState === 'complete') {
      element.attr('style', 'position:absolute;');
      setTimeout(function() {
        /* set position back to relative */
        element.attr('style', 'position:relative;');
        
        /* remove temp wrapper */
        element.parent.removeChild(element.node.parentNode);
        element.node.parentNode.removeChild(element.node);
        element.parent.appendChild(element.node);
        
      }, 5);
    } else {
      setTimeout(check, 10);
    }
  };
  
  check();
  
  return this;
};