.sliderwrapper{
	position: relative; /*leave as is*/
	overflow: hidden; /*leave as is*/
	width: 994px;
	height: 300px;
	_height:270px;
}
.sliderwrapper .contentdiv{
	width: 994px;
	height: 300px;
	_height:270px;
	visibility: hidden;
	position: absolute;
	float:left;
	text-align:left;
	filter:progid:DXImageTransform.Microsoft.alpha(opacity=100);
	-moz-opacity: 1;
	opacity: 1;
}
.animacion{
    height:300px;
    _height:270px;
}