function showVoteDiv(parent_div, target_id) {
	var obj = document.getElementById('vote-div');
	if (obj != null) {
		obj.parentNode.removeChild(obj);
	}
	obj = document.getElementById(parent_div);
	var new_obj = document.createElement("div");
	new_obj.id = "vote-div";
	new_obj.innerHTML = "<div style=\"float:right;margin-top:8px;\"><span onclick=\"closeDiv('vote-div')\">关闭</span></div>" +
											"<h1>请输入投票验证码</h1>" +
											"<div id=\"vote-body\">" +
											"<img id=\"checkcode-img\" src=\"http://www.m50.cn/dmj2010/helper/checkcode.aspx?rand=" + Math.floor(Math.random() * 10000) + "\"+ />" +
											"<input type=\"text\" name=\"checkcode\" style=\"width:45px;\"/> " +
											"<br /><br />" +
											"<input type=\"button\" onclick=\"vote('" + target_id + "')\" value=\"确定\" style=\"height:22px;\" /></div>";
	obj.appendChild(new_obj);
}

function closeDiv(id) {
	var obj = document.getElementById(id);
	obj.parentNode.removeChild(obj);
}