/*
	
	Author:  		David Walsh
	Last Updated:  3/16/2008
	URL:				http://davidwalsh.name/mootools-12-openlinks-class
	
*/

var OpenLinks = new Class({
	//initialization
	initialize: function(file_extensions,override_targets,target,no_class) {
		
		//analyze all anchors
		$$('a').each(function(el) {
			
			//check each href for case-insensitive file extensions
			var str = el.get('href');
			var ext = str.substring(str.lastIndexOf('.') + 1,str.length)
			if(file_extensions.contains(ext.toLowerCase()) && ((override_targets || !el.get('target')) && !el.hasClass(no_class + '')))
			{
				el.setProperty('target',target ? target : '_blank');
			}
		});
	}
});