.dropdown1 {
	float:left; 
	position:relative;
	
}
.dropdown2 {
	float:left; 
	position:relative;
	
}
.dropdown3 {
	float:left; 
	position:relative;
	
}
.dropdown1 dt {
	width:auto;  
	font-weight:bold; 
	cursor:pointer;
	background:url(images/products/system.jpg);
	background-repeat:no-repeat;
	width:301px;
	height:37px;
	
}
.dropdown1 dt:hover {
	background:url(images/products/system1.jpg);
	background-repeat:no-repeat;
	width:301px;
	height:37px;
}
.dropdown2 dt {
	width:auto;  
	font-weight:bold; 
	cursor:pointer;
	background:url(images/products/note.jpg);
	background-repeat:no-repeat;
	width:302px;
	height:37px;
	
}
.dropdown2 dt:hover {
	background:url(images/products/note1.jpg);
	background-repeat:no-repeat;
	width:302px;
	height:37px;
}
.dropdown3 dt {
	width:auto;  
	font-weight:bold; 
	cursor:pointer;
	background:url(images/products/peri.jpg);
	background-repeat:no-repeat;
	width:297px;
	height:37px;
	
}
.dropdown3 dt:hover {
	background:url(images/products/peri1.jpg);
	background-repeat:no-repeat;
	width:297px;
	height:37px;
}
.dropdown1 dd {
	position:absolute;
	overflow:hidden;
	display:none;
	background:#fff;
	z-index:200;
	opacity:0;
	left: 2px;
	background: transparent;
	width:120px;

}
.dropdown2 dd {
	position:absolute;
	overflow:hidden;
	display:none;
	background:#fff;
	z-index:200;
	opacity:0;
	left: 2px;
	background: transparent;
	width:120px;

}
.dropdown3 dd {
	position:absolute;
	overflow:hidden;
	display:none;
	background:#fff;
	z-index:200;
	opacity:0;
	left: 2px;
	background: transparent;
	width:120px;

}
.dropdown1 ul {
	width:auto; 
	list-style:none; 
	border-bottom:none
}
.dropdown2 ul {
	width:auto; 
	list-style:none; 
	border-bottom:none
}
.dropdown3 ul {
	width:auto; 
	list-style:none; 
	border-bottom:none
}
.dropdown1 li {
	display:inline
}
.dropdown2 li {
	display:inline
}
.dropdown3 li {
	display:inline
}
.dropdown1 a, .dropdown1 a:active, .dropdown1 a:visited {
	display:block; 
	color:#000;
	padding:5px;
	text-decoration:none; 
	background:#ffffff;
	width:auto;
	opacity:.70;
}
.dropdown2 a, .dropdown2 a:active, .dropdown2 a:visited {
	display:block; 
	color:#000;
	padding:5px;
	text-decoration:none; 
	background:#ffffff;
	width:auto;
	opacity:.70;
}
.dropdown3 a, .dropdown3 a:active, .dropdown3 a:visited {
	display:block; 
	color:#000;
	padding:5px;
	text-decoration:none; 
	background:#ffffff;
	width:auto;
	opacity:.70;
}
.dropdown1 a:hover {
	background:#ffffff; 
	color:#B90000;
}
.dropdown2 a:hover {
	background:#ffffff; 
	color:#B90000;
}
.dropdown3 a:hover {
	background:#ffffff; 
	color:#B90000;
}
.dropdown1 .underline {
	border-bottom:1px solid #dbdbdb;
	font-size:12px;
	color:#333;
	font-weight:bold;
}
.dropdown2 .underline {
	border-bottom:1px solid #dbdbdb;
	font-size:12px;
	color:#333;
	font-weight:bold;
}
.dropdown3 .underline {
	border-bottom:1px solid #dbdbdb;
	font-size:12px;
	color:#333;
	font-weight:bold;
}