html {
 overflow:auto !important;
 height: auto !important;
}
body {
 margin: 0px;
 padding: 0px;
 font-family: Helvetica;
 -webkit-user-select: none;
 cursor: default;
 -webkit-text-size-adjust: none;
 overflow:auto !important;
 height: auto !important;
}

#main{
 xheight: auto !important;
 position: relative !important;
 overflow:hidden !important;
}

#header{

}

#leftcol {
 height: auto !important;
}

#img_ad {
 position: absolute;
 top: 0px;
 left: 0px;
 width: 100%;
}
html>body #img_ad {  /* nur fuer moderne Browser! */
 position: fixed;
 width: 33%;
}

#rightcol {
 position: relative;
 height: auto !important;
 overflow:hidden !important;
}

#content{
 height: auto !important;
 overflow:hidden !important;
}