function insertClipboardContents(content) {
			if (editor.queryCommandSupported('mceInsertClipboardContent')) {
				editor.execCommand('mceInsertClipboardContent', false, {content: content});
			} else {
				editor.execCommand('mceInsertContent', false, content);
			}
		}
Inserts contents using the paste clipboard command if it's available if it isn't it will fallback
to the core command.

@private
@param {String} content Content to insert at selection.