/*
 Sprinkle Javascript Library
 http://www.sprinklejs.com/
 Copyright 2007 by Jon Davis 
 version 1.2, last updated 9/13/2007
 Rewritten for Prototype framework 1.6.0 by Mislav Marohnić
*/

document.observe('contentloaded', function(){
  var allowed = $w('SPAN DIV TEXTAREA INPUT')
  
  $$('*[src]').each(function(element){
    if (!allowed.include(element.nodeName.toUpperCase()) || element._sprinkled) return
    element._sprinkled = true
    var process = arguments.callee
    // get it!
    new Ajax.Request(element.readAttribute('src'), {
      onComplete: function(response){
        var method, value = response.responseText, parent = element.parentNode
        // what method do we use?
        if (Object.isFunction(element.setValue)) method = 'setValue'
        else {
          method = element.readAttribute('apply') == 'replace' ? 'replace' : 'update'
          if (value.strip().endsWith(''))
            value = value.match(/]*>([^\0]+)<\/body>/i)[1]
        }
        element = element[method](value)
        // recurse
        if (method != 'setValue') {
          if (method == 'replace') element = $(parent)
          element.select('*[src]').each(process)
        }
      }
    })
  })
})

Doesn't support:

 - wraptag;
 - apply="value" (magically handled now);
 - cropBody="off";
 - anticache.