/*
jQuery processEach plugin

  * Version processEach
  * 10.05.2009
  * URL: http://borgar.net/svn/public/trunk/javascript/jquery.processeach/
  * Description: A variation of the code each function for enormous or labour intensive loops where the thread is yelded every iteration to prevent script timeouts.
  * Author: Borgar Þorsteinsson
  * Copyright: Copyright (c) 2009 Borgar Þorsteinsson under dual MIT/GPL license.

*//*global
  jQuery
*/
jQuery.processEach = function ( obj, callback, done ) {

  var f, l, r, k, i = 0, m;

  if ( obj && typeof obj === 'object' ) {
    // for normal arrays, or jQuery objects, trust the length
    if ( $.isArray( obj ) || obj.jquery ) {
      l = obj.length;
    }
    // copy regular objects into an array
    else {
      m = [];
      for ( k in obj ) { m[ m.length ] = k; }
      l = m.length;
    }
  }

  (f = function () {
    if ( i < l ) {
      k = m ? m[ i ] : i;
      r = callback.call( obj[ k ], k, obj[ k ] );
      // break process with false
      if ( r !== false ) {
        i++;
        setTimeout( f, 1 );
      }
      else if ( $.isFunction( done ) ) {
        done.call( obj, r );
      }
    }
    else if ( $.isFunction( done ) ) {
      done.call( obj, r );
    }
  })();

};