jQuerymenuslide IE8 erro.

Senhores,

Peguei um site aqui que fizeram, e ai assumi para finalizar.

Ocorre que o menu no IE8, e somente no IE8 quebra a linha.

Abaixo as imagens e o código para ver se tem alguma dica.

Funcionando Normal em outros navegadores.

/applications/core/interface/imageproxy/imageproxy.php?img=http://i12.photobucket.com/albums/a212/bruno_santos/DISCOVER%2520BRAZIL/menu02.jpg&key=8c99a8d042e2342c99afdafc0ae1f08b766e2c24cec36c6f60263526174ff6a8" alt="menu02.jpg" />

Quebrando no IE8

/applications/core/interface/imageproxy/imageproxy.php?img=http://i12.photobucket.com/albums/a212/bruno_santos/DISCOVER%2520BRAZIL/menu01.jpg&key=0b245fbc8b4e04ceff27e431e0cb9ccb71e478918a323da90de3d60efca6177b" alt="menu01.jpg" />

.jqueryslidemenu{font:11px Verdana, Geneva, sans-serif;position:relative;z-index:1;}
.jqueryslidemenu ul{list-style-type:none;margin:0;padding:0;}
.jqueryslidemenu ul li{position:relative;display:inline;float:left;}

/.jqueryslidemenu li+li+li+li+li+li+li { width:118px;}/
.jqueryslidemenu ul:first-child li:last-child{width:118px;}

/ Configurações do Menu - COR /
.jqueryslidemenu ul li a{display:block;background:#193554;color:#2d2b2b;text-decoration:none;padding:1.2em 1.1em; margin-right: 1px; width:108px; text-align: center;}
.jqueryslidemenu ul li ul li ul li a{background-color: #285688} /1º Nível/
.jqueryslidemenu ul li ul li ul li ul li a{background-color: #6380AC;} /2º Nível/
/ ########################### /

* html .jqueryslidemenu ul li a{display:inline-block}
.jqueryslidemenu ul li a:link,.jqueryslidemenu ul li a:visited{color:#E9EBB6}
.jqueryslidemenu ul li ul{position:absolute;left:0;display:block;visibility:hidden}
.jqueryslidemenu ul li ul li{display:list-item;float:none}
.jqueryslidemenu ul li ul li ul{top:0}
.jqueryslidemenu ul li ul li a{width:160px;border-top-width:0;margin-bottom:1px;padding:1.2em 1.2em; text-align: left;}
.downarrowclass{position:absolute;top:12px;right:7px}
.rightarrowclass{position:absolute;top:6px;right:5px}
.jqueryslidemenu ul li a:hover,.jqueryslidemenuz ul li ul li a:hover{background:#FFF;color:#193554}