// JavaScript Document

/*登录漂浮窗口开始*/
var isIe=(document.all)?true:false;
//设置select的可见状态
function setSelectState(state)
{
var objl=document.getElementsByTagName('select');
for(var i=0;i<objl.length;i++)
{
objl[i].style.visibility=state;
}
}
function mousePosition(ev)
{
if(ev.pageX || ev.pageY)
{
return {x:document.body.offsetWidth/2+150,y:document.body.offsetHeight/2-100};
}
return {
x:document.body.offsetWidth/2+150,y:document.body.offsetHeight/2-100
};
}
//弹出方法
function showMessageBox(wTitle,content,pos,wWidth)
{
closeWindow();
var bWidth=parseInt(document.documentElement.scrollWidth);
var bHeight=parseInt(document.documentElement.scrollHeight);
if(isIe){
setSelectState('hidden');}
var back=document.createElement("div");
back.id="back";
var styleStr="top:0px;left:0px;position:absolute;background:#666;width:"+bWidth+"px;height:"+bHeight+"px;";
styleStr+=(isIe)?"filter:alpha(opacity=0);":"opacity:0;";
back.style.cssText=styleStr;
document.body.appendChild(back);
showBackground(back,50);
var mesW=document.createElement("div");
mesW.id="mesWindow";
mesW.className="mesWindow";
mesW.innerHTML="<div class='mesWindowTop'><table width='100%' height='100%'><tr><td>"+wTitle+"</td><td style='width:1px;'><input type='button' onclick='closeWindow();' title='关闭窗口' class='close' value='关闭' /></td></tr></table></div><div class='mesWindowContent' id='mesWindowContent'>"+content+"</div><div class='mesWindowBottom'></div>";
styleStr="left:"+(((pos.x-wWidth)>0)?(pos.x-wWidth):pos.x)+"px;top:"+(pos.y)+"px;position:absolute;width:"+wWidth+"px;";
mesW.style.cssText=styleStr;
document.body.appendChild(mesW);
}
//让背景渐渐变暗
function showBackground(obj,endInt)
{
if(isIe)
{
obj.filters.alpha.opacity+=1;
if(obj.filters.alpha.opacity<endInt)
{
setTimeout(function(){showBackground(obj,endInt)},5);
}
}else{
var al=parseFloat(obj.style.opacity);al+=0.01;
obj.style.opacity=al;
if(al<(endInt/100))
{setTimeout(function(){showBackground(obj,endInt)},5);}
}
}
//关闭窗口
function closeWindow()
{
if(document.getElementById('back')!=null)
{
document.getElementById('back').parentNode.removeChild(document.getElementById('back'));
}
if(document.getElementById('mesWindow')!=null)
{
document.getElementById('mesWindow').parentNode.removeChild(document.getElementById('mesWindow'));
}
if(isIe){
setSelectState('');}
}
//测试弹出
function testMessageBox(ev)
{
var objPos = mousePosition(ev);
var returnurl="/order/shopcar.html2";
messContent="";
messContent+="<table width=100%  border=0 cellspacing=2 cellpadding=4 height=200>"
 	messContent+="<form name=userform method=post action=/admin/login!login.html2?returnurl="
 	messContent+=escape(returnurl.replace(/\#/g,""));
 	messContent+=">"
	messContent+="  <tr>"
	messContent+="    <td height=25 colspan=2><div align=center>用户登录&nbsp;&nbsp;<a href='/member/reg.html2?returnurl=/order/shopcar.html2' target='_blank'>我要注册</a></div></td>"
	messContent+="  </tr>"
	messContent+="  <tr>"
	messContent+="    <td width=100><div align=right>用户名：</div></td>"
	messContent+="    <td><input type=hidden name=logintype value=0>"
	messContent+="       <input type=text name=loginid id=loginid style='width:166px'/></td>"
	messContent+="  </tr>"
	messContent+="  <tr>"
	messContent+="    <td><div align=right>密码：</div></td>"
	messContent+="    <td><input name=password type=password size=21 id=password style='width:166px'/></td>"
	messContent+="  </tr>"
	messContent+="  <tr>"
	messContent+="    <td><div align=right>验证码：</div></td>"
	messContent+="    <td><input name=code type=text size=8 maxlength=4 /> <img src='/validateCodeServlet' width=80 id='validateCodeServlet' onClick=nchangeImg('validateCodeServlet'); style='CURSOR:hand;' alt='看不清楚，点击图片换一个'/></td>"
	messContent+="  </tr>"
	messContent+="  <tr>"
	messContent+="    <td colspan=2><div align=center>"
	messContent+="        <input type=button name=Submitok value=登录 onClick='checklogin();'>&nbsp;&nbsp;<a href='/member/reg.html2?returnurl=/order/shopcar.html2' target='_blank'>我要注册</a>"
	messContent+="    </div></td>"
	messContent+="  </tr>"
	messContent+="  </form>"
	messContent+="</table>"
showMessageBox('窗口标题',messContent,objPos,350);
}
/*登录漂浮窗口结束*/
/*改变验证码*/
function nchangeImg(validateCodeServlet)
	{
		var img = document.getElementById(validateCodeServlet);
		img.src = "/validateCodeServlet";
		var ctrl = document.getElementById("code");
		if (ctrl != null)
		{
			ctrl.focus();
		}
	}
/*登录检查*/
function checklogin(){
		if(userform.loginid.value==''){
			alert('请输入登录名!');
			userform.loginid.focus();
			return false;
		}
		if(userform.password.value==''){
			alert('请输入密码!');
			userform.password.focus();
			return false;
		}
		if(userform.code.value==''){
			alert('请输入图片上的验证码!\n看不清楚请点击图片重新获取!');
			userform.code.focus();
			return false;
		}
		userform.submit();
}