html代码转js变量

<div id="float_nav">
	<form name='lansige'>
		<div class="m">
			<b>姓名</b><i><input type="text" name="xm" placeholder="姓名" style='width:70px;'/></i>
			<b>电话</b><i><input type="text" name="dh" placeholder="电话" style="width:115px;"/></i>
			<b>楼盘</b><i><input type="text" name="lp" placeholder="楼盘" style="width:130px;"/></i>
			<b>面积</b><i><input type="text" name="mj" placeholder="面积" style="width:50px;"/></i>
			<em><a href="#" id="dopost" class="yh" style='width:120px;font-size:20px;' title="免费报名" onclick="dowhatiwant();return false;">免费报名</a></em>
			<dl id='info2'></dl>
			<p class="shengyu yh" style='width:370px;'>
				<b>离活动结束还有:</b><b id="time_day">0</b>天<b id="time_hour">0</b>小时<b id="time_min">0</b>分<b id="time_sec">0</b>秒<br/>
				<b>本周仅剩</b><b id="hd_shengyu">0</b><b>个名额</b><span>(名额每日10:00更新)</span>
			</p>
		</div>
	</form>
</div>
<style type='text/css'>
#float_nav{ position:fixed; z-index:1000000; height:138px; left:0; bottom:0px; background-color:#414141; width:100%;_position:absolute;}
* html #float_nav{position:absolute;bottom:auto;
top:expression(eval(document.documentElement.scrollTop+document.documentElement.clientHeight-this.offsetHeight-
(parseInt(this.currentStyle.marginTop,10)||0)-(parseInt(this.currentStyle.marginBottom,10)||0)));}
#float_nav *{ margin:0; padding:0; text-decoration:none;font-family:'Microsoft Yahei';}
#float_nav .m{ width:1238px; margin:0 auto; overflow:hidden; padding-top:28px; height:110px; text-align:left; color:#fff; position:relative;}
#float_nav .m *{ vertical-align:middle;}
#float_nav b{ font-size:24px; font-weight:bold; font-family:'Microsoft Yahei';}
#float_nav i{ padding:0 3px;}
#float_nav i input{ font-size:16px; font-family:Verdana, Geneva, sans-serif,'Microsoft Yahei'; height:30px; line-height:30px; padding:0 6px; outline:0; border:1px solid #ccc; width:150px;}
#float_nav i select{font-size:16px; font-family:Verdana, Geneva, sans-serif,'Microsoft Yahei'; height:32px; line-height:32px; padding:0 6px; outline:0; border:1px solid #ccc; width:100px;}
#float_nav em{ font-style:normal;}
#float_nav em a{ height:42px; width:140px; display:inline-block; text-align:center; line-height:42px; font-size:20px; color:#fff; background-color:#A51829;-moz-border-radius:3px;
-webkit-border-radius:3px;border-radius:3px;transition: all 1s ease;-moz-transition: all 1s ease;-webkit-transition: all 1s ease;-o-transition: all 1s ease;}
#float_nav p.des{ font-size:16px; height:30px; width:1200px; position:absolute; left:0; top:80px; z-index:100;}
#float_nav p.shengyu{ font-size:18px; height:70px; width:380px; padding:5px 10px 0px 10px; position:absolute; background-color:#A09E9F; right:0; top:30px; z-index:200; line-height:30px; font-weight:bold; color:#000;}
#float_nav p.shengyu b{ font-size:18px; color:#A61729; padding:0 4px;}
#float_nav p.shengyu span{ font-weight:normal;}
dl#info2{height:20px; width:780px; overflow:hidden; width:800px; font-family:'Microsoft Yahei'; margin-top:15px; background:url(http://baidu.shctzh.com/hd/20150903/images/45577.png) no-repeat left center; padding-left:90px;}
dl#info2 dd{height:20px; line-height:20px; overflow:hidden;}
dl#info2 p{display:block; width:50%; float:left;}
</style>