IE7添加内置搜索
window.external.AddSearchProvider('xx.xml');
XML的样子是
http://www.microsoft.com/windows/ie/searchguide/spbuilder.mspx?Encoding=UTF-8&Name=aoao.G%20Search&URI=http%3A%2F%2Fwww.google.com%2Fcustom%3Fhl%3Dzh-CN%26newwindow%3D1%26client%3Dgoogle-coop-np%26cof%3DCX%253ASome%252520Search%253B%26q%3DTEST%26cx%3D014628494448926329948%253Amspuqmxeatg
