[erledigt] Iceblue-Hintergrund

<style type="text/css">
<!--
body{background-image:url(Hintergrund Bild URL);}
td.edit_below_nav{visibility: hidden;}
td.edit_navi_headbg{background-image:url();}
td.edit_below_nav img{display:none;}
td.edit_rb_footer{background-image:url();}
td.edit_rechts_bottom{background-image:url();}
td.edit_rechts_sbg{visibility:hidden;}
td.edit_rechts_cbg{background-image:url();}
-->
</style>