效果都出来了，就是想把自动出现文字层，改成鼠标移动上去才出文字层

例子是
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gbk" />
<title>s3Slider jQuery plugin_站酷_ZCOOL_代码预览</title>
<!-- CSS -->
<style type="text/css" media="screen">
#slider {
    width: 410px; /* important to be same as image width */
    height: 300px; /* important to be same as image height */
    position: relative; /* important */
overflow: hidden; /* important */
}
#slider img{
    border: 0px;
}#sliderContent {
    width: 410px; /* important to be same as image width or wider */
    position: absolute;
top: 0;
margin-left: 0;
}
.sliderImage {
    float: left;
    position: relative;
display: none;
}
.sliderImage span {
    position: absolute;
font: 12px/14px Arial, Helvetica, sans-serif;
    padding: 10px 13px;
    width: 384px;
    background-color: #000;
    filter: alpha(opacity=70);
    -moz-opacity: 0.7;
-khtml-opacity: 0.7;
    opacity: 0.7;
    color: #fff;
    display: none;
}
.clear {
clear: both;
}
.sliderImage span strong {
    font-size: 14px;
}
.top {
top: 0;
left: 0;
}
.bottom {
bottom: 0;
    left: 0;
}
ul { list-style-type: none;}
</style>
<!-- JavaScripts-->
<script type="text/javascript" src="http://www.zhouli.net/jquery.js"></script><script type="text/javascript">
(function($){      $.fn.s3Slider = function(vars) {       
        
        var element     = this;
        var timeOut     = (vars.timeOut != undefined) ? vars.timeOut : 4000;
        var current     = null;
        var timeOutFn   = null;
        var faderStat   = true;
        var mOver       = false;
        var items       = $("#" + element[0].id + "Content ." + element[0].id + "Image");
        var itemsSpan   = $("#" + element[0].id + "Content ." + element[0].id + "Image span");
            
        items.each(function(i) {
    
            $(items[i]).mouseover(function() {
               mOver = true;
            });
            
            $(items[i]).mouseout(function() {
                mOver   = false;
                fadeElement(true);
            });
            
        });
        
        var fadeElement = function(isMouseOut) {
            var thisTimeOut = (isMouseOut) ? (timeOut/2) : timeOut;
            thisTimeOut = (faderStat) ? 10 : thisTimeOut;
            if(items.length > 0) {
                timeOutFn = setTimeout(makeSlider, thisTimeOut);
            } else {
                console.log("Poof..");
            }
        }
        
        var makeSlider = function() {
            current = (current != null) ? current : items[(items.length-1)];
            var currNo      = jQuery.inArray(current, items) + 1
            currNo = (currNo == items.length) ? 0 : (currNo - 1);
            var newMargin   = $(element).width() * currNo;
            if(faderStat == true) {
                if(!mOver) {
                    $(items[currNo]).fadeIn((timeOut/6), function() {
                        if($(itemsSpan[currNo]).css('bottom') == 0) {
                            $(itemsSpan[currNo]).slideUp((timeOut/6), function() {
                                faderStat = false;
                                current = items[currNo];
                                if(!mOver) {
                                    fadeElement(false);
                                }
                            });
                        } else {
                            $(itemsSpan[currNo]).slideDown((timeOut/6), function() {
                                faderStat = false;
                                current = items[currNo];
                                if(!mOver) {
                                    fadeElement(false);
                                }
                            });
                        }
                    });
                }
            } else {
                if(!mOver) {
                    if($(itemsSpan[currNo]).css('bottom') == 0) {
                        $(itemsSpan[currNo]).slideDown((timeOut/6), function() {
                            $(items[currNo]).fadeOut((timeOut/6), function() {
                                faderStat = true;
                                current = items[(currNo+1)];
                                if(!mOver) {
                                    fadeElement(false);
                                }
                            });
                        });
                    } else {
                        $(itemsSpan[currNo]).slideUp((timeOut/6), function() {
                        $(items[currNo]).fadeOut((timeOut/6), function() {
                                faderStat = true;
                                current = items[(currNo+1)];
                                if(!mOver) {
                                    fadeElement(false);
                                }
                            });
                        });
                    }
                }
            }
        }
        
        makeSlider();    };  })(jQuery);  
</script><script type="text/javascript">
    $(document).ready(function() {
        $('#slider').s3Slider({
            timeOut: 3000
        });
    });
</script>
</head><body>    <div id="slider">
        <ul id="sliderContent">
            <li class="sliderImage">
                <a href="http://www.zcool.com.cn/" target="_blank"><img src="images/410/1.jpg" alt="1" /></a>
                <span class="top"><strong>站酷收集</strong><br />站酷(ZCOOL)-素材分享与设计交流……</span>
            </li>
            <li class="sliderImage">
                <a href="http://www.zcool.com.cn/" target="_blank"><img src="images/410/2.jpg" alt="2" /></a>
                <span class="top"><strong>站酷-www.zcool.com.cn</strong><br />站酷(ZCOOL)-素材分享与设计交流站酷(ZCOOL)-素材分享与设计交流站酷(ZCOOL)-素材分享与设计交流站酷(ZCOOL)-素材分享与设计交流站酷(ZCOOL)-素材分享与设计交流站酷(ZCOOL)-素材分享与设计交流</span>
            </li>
            <li class="sliderImage">
                <a href="http://www.zcool.com.cn/" target="_blank"><img src="images/410/3.jpg" alt="3" /></a>
                <span class="bottom"><strong>站酷-ZCOOL</strong><br />不错的代码...</span>
            </li>
            <li class="sliderImage">
                <a href="http://www.zcool.com.cn/" target="_blank"><img src="images/410/4.jpg" alt="4" /></a>
                <span class="bottom"><strong>站酷-ZCOOL 2</strong><br />站酷(ZCOOL)-素材分享与设计交流站酷(ZCOOL)-素材分享与设计交流...</span>
            </li>
            <li class="sliderImage">
                <a href="http://www.zcool.com.cn/" target="_blank"><img src="images/410/5.jpg" alt="5" /></a>
                <span class="top"><strong>站酷-ZCOOL 3</strong><br />站酷(ZCOOL)-素材分享与设计交流站酷(ZCOOL)-素材分享与设计交流站酷(ZCOOL)-素材分享与设计交流...</span>
            </li>
            <div class="clear sliderImage"></div>
        </ul>
    </div>
    <!-- // slider -->
</body>
</html>