nezobrazeni png ani gif ikon

zdravim
Mam problem v menu s dvema sloupci umistenymi vedle sebe v pravem mi k texu clanku jdou bez problemmu vkladat ikony ale v tom levem to nelze,i kdyz v editoru se tvari jako ze je vse v poradku kdyz se divam v prohlizeci,tak se nezobrazi,to same plati pro obrazky.
Nevite kde a vc em muze byt chyba?

Ps:flash buttons to zobrazuje korektne jinak menu a vse ostatzni je v CSS

Takze nehled stranek naleznes na http://manfred.ic.cz/kontakty.html

a kod to css je tady

body
{
font-size: 55.0%; /* reset 1EM to 10px */
margin: 0;
padding: 0;
background: transparent url('bg.png') top left repeat;
font-family: 'lucida grande', arial, tahoma, sans-serif;
}

#container
{
margin: 0 auto;
width: 683px;
background: transparent url('containerbg.png') top left repeat-y;
position: relative;
visibility: visible;
}

#header
{
margin: 0em auto -21px auto;
width: 640px;
height: 126px;
background: transparent url('header.jpg') top left no-repeat;
}

.headtitle
{
position: relative;
font-family: 'lucida grande', arial, tahoma, sans-serif;
font-size: 30px;
color: #FFF;
top: 8px;
left: 12px;
}

.menu
{
padding: 0px;
margin: 22px;}

.menu a
{
text-decoration: none;
color: #686868;
width: 100%;
text-align: center;
}

.menu ul, .menu li
{
list-style-type: none;
margin: 0px;
padding: 0px;
}

ul.uroven1 li.polozka1
{
background: transparent url('menuoff.png');
padding: .1em .9em;
height: 3em;
_width: 1px; /* IE */
font-weight: bold;
font-family: Verdana, Helvetica, Arial, sans-serif;
float: left;
position: relative;}


ul.uroven2
{
left: 0;
top: 3.2em;
_top: 3.2em; /* IE */
width: 100px;
background: #47abc6;
border: 5px #7bc00b solid;
padding: .2em .5em;
visibility: hidden;
position: absolute;}


ul.uroven2 img
{
border: solid #368 2px;
}

ul.uroven2 li.polozka2 a
{
font-weight: bold;
text-align: left;
padding: 0 .5em .1em;
margin: 0 -.5em;
font-family: Verdana, Helvetica, Arial, sans-serif;}

ul.uroven2 li.polozka2 a:hover
{
background: #8bd;
}



.menu a:hover
{
}

ul.uroven1 li.polozka1
{
behavior: url(hover.htc);
}

ul.uroven1 li.polozka1:hover,
ul.uroven1 li.polozka1Hover
{
background: url('menuon.png');
}


ul.uroven1 li.polozka1Hover ul.uroven2,
ul.uroven1 li.polozka1:hover ul.uroven2
{
visibility: visible;
}
#roundedheader
{
width: 640px;
height: 18px;
margin: 0 auto;
background: transparent url('belowheader.png') top left no-repeat;
}

#content
{
min-height: 390px;
width: 640px;
margin: 0 auto;
background: transparent url('contentbg.png') top left repeat-y;
}

#insidecontent
{
float: left;
padding-left: 25px;
width: 355px;
}

#insidecontent p
{
margin: 0;
color: #767676;
font-family: 'lucida grande', 'franklin gothic medium', sans-serif;
font-size: 1.2em;
line-height: 170%;
}

#sidebar
{
padding: 0 10px 10px 10px;
float: right;
width: 210px;
background: #f6f6f6;
}

#sidebar p
{
margin: 0;
color: #565656;
font-family: 'lucida grande', 'franklin gothic medium', sans-serif;
font-size: 1em;
line-height: 170%;
}

#sidebar a:link, #sidebar a:active, #sidebar a:visited
{
text-decoration: underline;
color: #e36767;
}

#sidebar a:hover
{
text-decoration: none;
}

#roundedfooter
{
width: 640px;
height: 17px;
margin: 0 auto;
background: transparent url('abovefooter.png') top left no-repeat;
}

h1
{
margin: 0;
font-weight: bold;
color: #cde7a3 ;
font-size: 3.2em;
}

h2
{
font-size: 2em;
color: #61ae43 ;
font-family: Verdana, Helvetica, Arial, sans-serif;
position: relative;
display: inline;
margin: 0em;
font-weight: normal;
margin-left: +5em;
top: -1em;
}

h3
{
margin: 0;
font-size: 1.5em;
font-weight: boldrmal;
color: #508dbf ;
}

#footer
{
margin: 0 auto;
width: 641px;
height: 39px;
background: transparent url('footer.png') top left repeat-x;
}

#footer span
{
display: block;
position: relative;
font-family: 'lucida grande', 'franklin gothic medium', sans-serif;
font-size: 1.2em;
padding: 10px;
color: #000000 ;
}