mouseEnterSupported = (parseInt(version[0]) >= 2) || (parseInt(version[1]) >= 7) || (parseInt(version[2]) >= 1),
mouseCache = {},
elContains = function(parent, child) {
mouseEnterSupported = (parseInt(version[0]) >= 2) || (parseInt(version[1]) >= 7) || (parseInt(version[2]) >= 1),
mouseCache = {},
elContains = function(parent, child) {