I am using style 4, I couldnt find the code you mentioned only similar below!
Code:
#nav li:hover ul ul,#nav li:hover ul ul ul,#nav li:hover ul ul ul ul {
display:none;
}
#nav li:hover ul,#nav li li:hover ul,#nav li li li:hover ul,#nav li li li li:hover ul {
display:block;
}
