/**
 * AntiSpam mailto script
 *
 *
 * This JavaScript is part of Credox Framework [www.credox.org]
 * The script is freely distributable under the terms of an MIT-style license.
 *
 *
 * @author Hristo Drumev
 * @package framework
 * @copyright Hristo Drumev [www.hdrumev.com]
 * @version 0.4 / 31.08.2007
 *
 *
 * @require Standard JS objects extensions [core.js]
 * @require object Event [object.event.js]
 *
 *
 * @usage: type mail links with '(at)' and '(dot)' instead of '@' and '.'
 *         script automaticaly replace in mailto links '(at)' with '@' and '(dot)' with '.'
 *
 *         is possible to define your custom replacements. add them as parameter of Credox.AntiSpam
 *         possible types of search and replace are string and array 
 *         ex.: new Credox.AntiSpam( { search: 'to search', replace: 'to replace' } );
 */


/** Credox.AntiSpam [class] */
Credox.AntiSpam = new Class();


// Standard settings
Credox.AntiSpam.prototype.standardParams =
{
	search : new Array( /\(at\)/i, /\(dot\)/i ),
	replace: new Array( '@',       '.'        )
}


/**
 * Constructor
 *
 * @param Object params - Custom settings /see format from this.standardParams/
 * @return void
 */
Credox.AntiSpam.prototype.create = function( params )
{
	for( var property in this.standardParams )
		this[property] = this.standardParams[property];
  if( typeof( this.search ) == 'string' )
  {
  	this.search = new Array( this.search );
  	this.replace = new Array( this.replace );  
  }
	if( !document.links ) // Safari
	  document.links = document.getElementsByTagName( 'a' );
	for( var i = document.links.length; i--; )
		if( document.links[i].href &&
		    document.links[i].href.search( /mailto:/i ) == 0 )
		{
		  var link = document.links[i];
			for( var j = this.search.length; j--; )
			{
			  link.href = link.href.replace( this.search[j], this.replace[j] );
			  if( link.title )
			  	link.title = link.title.replace( this.search[j], this.replace[j] );
        link.innerHTML = link.innerHTML.replace( this.search[j], this.replace[j] );
			}
	  }
}


// start script on DOM load
Event.onDOMLoad( function() { new Credox.AntiSpam(); } );