return script.setProperties(properties).inject($$('head')[0]); 
return script.setProperties(properties).inject(document.head); 
	javascript: function(source, properties){		properties = $merge({			'onload': Class.empty		}, properties);		var script = new Element('script', {'src': source}).addEvents({			'load': properties.onload,			'readystatechange': function(){				if (this.readyState == 'complete') this.fireEvent('load');			}		});		delete properties.onload;		return script.setProperties(properties).inject($$('head')[0]);	},
9299	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/9299/83dc1e025efaf0b5cada0190a0720e7d87f94595/Assets.js/clean/Remote/Assets.js