.preload1 {background: url(../nav_images/blank_over.gif);}
.preload1 {background: url(../nav_images/blank_overa.gif);}

.prodrop4 {
padding:0 0 0 0px;
margin:0;
list-style:none;
height:32px;
position:relative;
z-index:500;
font-family:arial, verdana, sans-serif;
}
.prodrop4 li.top {display:block; float:left;}
.prodrop4 li a.top_link {
display:block;
float:left;
height:36px;
line-height:27px;
color:#fff;
text-decoration:none;
font-size:11px;
font-weight:bold;
padding:0 0 0 4px;
cursor:pointer;
background: url(../nav_images/blank.gif);
}
.prodrop4 li a.top_link span {
float:left;
display:block;
padding:0 7px 0 4px;
height:36px;
background:url(../nav_images/blank.gif) right top;
}
.prodrop4 li a.top_link span.down {
float:left;
display:block;
padding:0 20px 0 5px;
height:36px;
background:url(../nav_images/blanka_white.gif) no-repeat right top;
}

.prodrop4 li a.top_link:hover {color:#fff; background: url(../nav_images/blank_over.gif) no-repeat;}
.prodrop4 li a.top_link:hover span {background:url(../nav_images/blank_over.gif) no-repeat right top;}
.prodrop4 li a.top_link:hover span.down {background:url(../nav_images/blank_overa.gif) no-repeat right top;}

.prodrop4 li:hover > a.top_link {color:#fff; background: url(../nav_images/blank_overa.gif) no-repeat;}
.prodrop4 li:hover > a.top_link span {background:url(../nav_images/blank_over.gif) no-repeat right top;}
.prodrop4 li:hover > a.top_link span.down {background:url(../nav_images/blank_overa.gif) no-repeat right top;}


.prodrop4 table {border-collapse:collapse; width:0; height:0; position:absolute; top:0; left:0;}

/* Default link styling */

/* Style the list OR link hover. Depends on which browser is used */

.prodrop4 a:hover {visibility:visible; position:relative; z-index:200;}
.prodrop4 li:hover {position:relative; z-index:200;}

/* keep the 'next' level invisible by placing it off screen. */
.prodrop4 ul,
.prodrop4 :hover ul ul, 
.prodrop4 :hover ul :hover ul ul,
.prodrop4 :hover ul :hover ul :hover ul ul,
.prodrop4 :hover ul :hover ul :hover ul :hover ul ul {position:absolute; left:-9999px; top:-9999px; width:0; height:0; margin:0; padding:0; list-style:none;}

.prodrop4 ul.sub1 {width:160px;}
.prodrop4 ul.sub2 {width:115px;}
.prodrop4 ul.sub3 {width:180px;} /* teabuilding */
.prodrop4 ul.sub4 {width:112px;}
.prodrop4 ul.sub5 {width:178px;}
.prodrop4 ul.sub6 {width:128px;}
.prodrop4 ul.sub7 {width:108px;}

.prodrop4 :hover ul {left:0; top:30px; background: #b9d3fb; padding:0px; border:1px solid #3a93d2; border-width:1px 1px 1px; white-space:nowrap; height:auto; z-index:300; text-align:left; /* added */}
.prodrop4 :hover ul li {display:block; height:20px; position:relative; font-weight:normal; width:auto;}
.prodrop4 :hover ul li a {display:block; font-size:11px; height:20px; line-height:20px; width:auto; padding:0 3px;color:#000;text-decoration:none;}
.prodrop4 :hover ul li a:hover {background:#3a93d2; color:#fff;}

.prodrop4 :hover ul.sub3 li a.fly {background:url(../nav_images/arrow.gif) no-repeat right;}
.prodrop4 :hover ul.sub3 li a:hover {background:#3a93d2; color:#fff;}
.prodrop4 :hover ul.sub3 li a.fly:hover {background:#3a93d2 url(../nav_images/arrow_over.gif) no-repeat right; color:#fff;}
.prodrop4 :hover ul li:hover > a.fly {background:#3a93d2 url(../nav_images/arrow_over.gif) no-repeat right; color:#fff;} 

.prodrop4 :hover ul :hover ul,
.prodrop4 :hover ul :hover ul :hover ul,
.prodrop4 :hover ul :hover ul :hover ul :hover ul,
.prodrop4 :hover ul :hover ul :hover ul :hover ul :hover ul{
left:180px; /* position of fly out */
top:-2px;
padding:3px;
border:1px solid #3a93d2;
white-space:nowrap;
width:135px;
z-index:400;
height:auto;}