<!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=utf-8" />
<title>佐佐制造 --textarea---addheight</title>
<style type="text/css">
/* Reset style */
* { margin:0; padding:0; word-break:break-all; }
body { background:#FFF; color:#333; font:12px/1.4em Helvetica, Arial, sans-serif; }
h1, h2, h3, h4, h5, h6 { font-size:1em; }
a { color:#333; text-decoration:none; }
        a:hover { text-decoration:underline; }
ul, li { list-style:none; }
fieldset, img { border:none; }
input, textarea, select, button { font:12px Helvetica, Arial, sans-serif; }
.button { padding:0 10px; height: 22px; border: 1px solid; border-color: #EEE #999 #999 #EEE; background: #DDD; color: #333; line-height: 20px; cursor: pointer; margin-left:2px; }
.submit { padding:0 10px; height: 22px; border: 1px solid; border-color: #DDD #CC8305 #CC8305 #DDD; background: #FFA200; color: #FFF; line-height: 20px; letter-spacing: 1px; cursor: pointer; }
/* edit style */
#edit { width:300px; margin:50px; }
        .edit_caption { width:100%; overflow:hidden; margin-bottom:1px; overflow:hidden; }
        .edit_caption span { display:block; float:left; margin:0 1px; padding:4px 10px; background:#DDD; cursor:pointer; }
        .edit_caption span:hover { background:#EEE; }
        #edit textarea { width:300px; height:80px; margin:0; padding:0; }
</style>
<script type="text/javascript">
var addH=1;
function addHeight() {
  if (!document.getElementById('comment_content')) return flase;
        var comment = document.getElementById('comment_content');
        var nowH = parseInt(comment.style.height);
        if (nowH < 250) {       
                nowH+=2;
                comment.style.height=nowH+"px";
                addH++;
                if (addH > 25){
                        addH=1;
                } else {
                window.setTimeout("addHeight()","10");
                }
        }
}
function minHeight() {
  if (!document.getElementById('comment_content')) return flase;
        var comment = document.getElementById('comment_content');
        var nowH = parseInt(comment.style.height);
        if (nowH > 50) {
                nowH-=2;
                comment.style.height=nowH+"px";
                addH++;
                if (addH > 25){
                        addH=1;
                } else {
                window.setTimeout("minHeight()","10");
                }
        }
}
</script>
</head>
<body>
<div id="edit">
        <div class="edit_caption">
                <span class="tool_bigger" onclick="addHeight()">放大</span>
                <span class="tool_smaller" onclick="minHeight()">缩小</span>
        </div>
        <div><textarea id="comment_content" tabindex="1" rows="8" name="comment_content" style="height:100px"></textarea></div>
</div>
</body>
</html>
by 大尾巴 | 来自 本站原创 | 不指定 2008/11/09 10:47 | 学习 | 评论(0) | 引用(0) | 阅读(148)
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