rem: return script.set('properties', properties).inject(document.head); 
add: return script.setProperties(properties).inject(document.head); 
context: 	javascript: function(source, properties){		properties = $merge({			'onload': $empty		}, properties);		var script = new Element('script', {'src': source, 'type': 'text/javascript'}).addEvents({			'load': properties.onload,			'readystatechange': function(){				if (this.readyState == 'complete') this.fireEvent('load');			}		});		delete properties.onload;		return script.set('properties', properties).inject(document.head);	},
meta: 7826	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/7826/8091d58f2bf0e0a6dda81c799f00468e7bd136b0/Assets.js/clean/Source/Plugins/Assets.js