#returntotop {position:fixed; bottom:auto; right:auto; left:auto;top:auto;cursor:pointer;display:none;-moz-opacity:.50; filter:alpha(opacity=50); opacity:.50;z-index:99999;
}
#returntotop:hover {-moz-opacity:1; filter:alpha(opacity=100); opacity:1;}
#returntotop img {display:block;}
#returntotop span {display:none;}

#returntotop.returntotop-text {width:auto;height:auto;background:none;-moz-opacity:1; filter:alpha(opacity=100); opacity:1;}
#returntotop.returntotop-text span {display:inline;}

#returntotop.returntotop-br {bottom:40px;right:10px;}
#returntotop.returntotop-bl {bottom:40px;left:10px;}
#returntotop.returntotop-bm {bottom:40px;left:49%;}
#returntotop.returntotop-tr {top:40px;right:10px;}
#returntotop.returntotop-tl {top:40px;left:10px;}
#returntotop.returntotop-tm {top:40px;left:49%;}
#returntotop.returntotop-ml {top:49%;left:10px;}
#returntotop.returntotop-mr {top:49%;right:10px;}

#returntotop.returntotop-custom {}