need help with module EI Superfish Menu

[stepsdesigns]

Hello my friends once again iam facing a problem that i need some help from you to fix it

iam using module EI Superfish menu in a project
iam using it as Horizontal Menu and putting it insted of the topmenu navigation bar
i did some customization to the CSS file and the module file

put my problem is now when i display the any submenu it do not goes good
and with some changes in the CSS files superfish.css it change the menu look

but my problem now is with the sub menu it can't be displayed because its hight is so small
and when i change the hight of the class  ( ul.sf-menu )
which should include the submenu as i understand

it display the submenu but move down the site contain i mean the submenu is not displayed over the xenia_mainwrapper div
but move xenia_mainwrapper  down by the hight i choose for the class ul.sf-menu at the superfish.css file


and i changed the index.php file at the templeat folder to make the superfish menu appear in a certain div i think this will not affect


and to make it clear
iam attachmenting the module superfish files that already now in my website
may be some one can help me