By Hugo Martin From Los Angeles Times LOS ANGELES—The Disneyland Resort has overhauled its 37-year-old annual pass program to help reduce crowding on high-demand days, replacing it with a program that will require visitors to make reservations before going to the theme parks, while continuing to block out access on the busiest days. By requiring reservations, Disney representatives say, the company hopes to manage how many parkgoers visit Disneyland and California Adventure Park each day, easing the increasingly vexing problem of huge crowds that jam walkways and push wait times for the attractions beyond tolerable levels. Disneyland announced details of the new pass program, dubbed Magic Key, on Aug. 3. “We know this allows us to smooth demand throughout the year,” Disney spokesperson Liz Jaeger said. Magic Key includes four options, ranging in price from $399 per year for Southern California residents to $1,399 for the option with no block-out …