The Valley Community Foundation\u2019s Great Give online fund-raising effort will take place from 8 a.m. on Tuesday, May 6 to 8 p.m. on Wednesday, May 7. The 36-hour initiative, part of the Community Foundation for Greater New Haven\u2019s Great Give, raises funds for local nonprofit organizations. The event has taken place in the fall in prior years, but will be held once this year in the spring. The 2014 Great Give will take place in conjunction with Give Local America\u2019s National Day of Giving to celebrate the centennial of community foundations and their work to promote local philanthropy. Donation matches, prizes for nonprofits Donors who contribute through the Great Give will help local nonprofits win thousands of dollars in grant prizes for raising the most money, attracting the most number of donors, new donors, and other specific categories. Gifts will be matched on a pro-rated basis, with additional funds from the Community Foundation for Greater New Haven and Valley Community Foundation. Nearly $150,000 in matching funds will be available. \u201cOnline campaigns such as the Great Give offer donors an easy and secure way to support local nonprofits while leveraging matching dollars provided by sponsors,\u201d said William W. Ginsberg, president and CEO of the Community Foundation for Greater New Haven. Hundreds of organizations involved More than 300 nonprofit organizations in the Valley and greater New Haven will participate in the online initiative. A list of complete rules, grant prizes and participating nonprofits is online at www.thegreatgive.org.