Long Islanders are enthusiastic about the news of international cooperation to deal with a worldwide credit freeze.While many are holding their breath in anticipation of Monday's opening bell on Wall Street, others say they hope President Bush's weekend meeting with world finance ministers yields some concrete results. Economist Irwin Kellner, a Dowling College professor, says he's hopeful the government will announce that the Treasury in the U.S. and abroad will directly inject capital into banks, infusing them with more to lend. He says that will begin to thaw the credit freeze and restore investors' lost confidence.Nava Slavin, of Roslyn, says she hasn't lost her faith in the market. She says she doesn't panic because of what's happening now and takes a longer view of investing.Late Sunday afternoon, the World Bank stepped into the fray. They've agreed to help protect poor and vulnerable countries from economic collapse.