问一个关于做Bootstrap的弹出对话框遇到的问题_html/css_WEB-ITnose

<form name="form2" action="GetCategory.action" method="get" id="search" class="form-inline">                 <a style=" vertical-align:middle; margin-top:35px;margin-left:10px;display:inline-block;"><img src="images/logo.png"  alt=""  /></a>                                <input type="hidden" name="page" value="1"/>							    <input   style="max-width:90%" type="text" name="key" value="<%=key %>"  class="span5 ui-autocomplete-input" id="key" placeholder="输入关键词进行查询..."/>                                <input style="margin-top:50px;" type="submit" class="btn btn-primary" value="企业检索" />                                <input style="margin-top: 50px" type="submit" class="btn" value="高级检索" data-toggle="modal"  data-target="#myModal" href="search.jsp"/>		   </form>		  		  <div id="myModal" class="modal hide fade" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">		  <form action="GetCategory.action">            				 <div class="modal-header">				  <button class="close" type="button" data-dismiss="modal">&times;</button>					<h3 id="myModalLabel">高级检索</h3>				 </div>				 <div class="modal-body">				 <select name="category" id="bc_id">						<option value="">--选择行业--</option>					</select>					<select name="province" id="lc_id">						<option value="">--选择地区--</option>					</select>					<input type="text" id="key" name="key" class="span5" placeholder="输入关键词进行查询..."/>					<br/>				</div>							 			   </form>	        			   </div>