function setBackgroundUnenable()
	{	
		backgroundDiv.style.top = 0;
		backgroundDiv.style.left = 0;
		backgroundDiv.style.position = "absolute";
		backgroundDiv.style.width = window.document.body.scrollWidth + "px";
		backgroundDiv.style.height = window.document.body.scrollHeight + "px";
		backgroundDiv.style.background = "#ffffff";
		backgroundDiv.style.filter = "progid:DXImageTransform.Microsoft.Alpha(style=4,opacity=50,finishOpacity=50)";
		backgroundDiv.style.opacity = "0.5";
		backgroundDiv.style.display = "block";
	} 

function setBackground()
{backgroundDiv.style.display='none';}

function getPosition() {
      var top    = document.documentElement.scrollTop;
      var left   = document.documentElement.scrollLeft;
      var height = document.documentElement.clientHeight;
      var width  = document.documentElement.clientWidth;
      return {top:top,left:left,height:height,width:width};
}

function setFree(UserName,PosDiv)
	{
	setBackgroundUnenable();
	var div = $(PosDiv);
	var Position = getPosition();
	div.style.position = "absolute";
	div.style.display = "block";
	div.style.top = document.documentElement.scrollTop + 130 +'px';//要居中还要算上你的div的面积 

	window.onscroll = function (){
		var Position   = getPosition();
		div.style.top = document.documentElement.scrollTop + 130 +'px';//要居中还要算上你的div的面积 
		};

	//ESC键退出窗口功能
	document.onkeydown=function()
	{
		if(window.event.keyCode==27)
			{
				
				setBackground();
				div.style.display='none';
			}
		else
			{
			//非法按键
			}
	}

}




function AddsCheck()
{

if(form.content.value == 0) {
	alert("请填写您的意见与建议");
	form.content.focus();
	return false;
  }
  else
  {
//  	form.content.style.border = "#666666 1px solid";
  }

if(form.SureName.value == 0) {
	alert("请填写真实姓名");
	form.SureName.focus();
	return false;
  }
  else
  {
//  	form.SureName.style.border = "#666666 1px solid";
  }
  if(form.mobile.value == 0) {
	alert("请填写手机号码");
	form.mobile.focus();
	return false;
  }
  else
  {
//  	form.mobile.style.border = "#666666 1px solid";
  }

  if(form.emails.value == 0) {
	alert("请填写电子邮箱");
	form.emails.focus();
	return false;
  }
  else
  {
//  	form.emails.style.border = "#666666 1px solid";
  }
	  }


function LogCheck()
{
  if(Login.username.value == 0) {
	alert("请填写帐户名称");
	Login.username.focus();
	return false;
  }
  else
  {
//  	Login.username.style.border = "#333333 1px solid";
  }

  if(Login.passw.value == 0) {
	alert("请填写登录密码");
	Login.passw.focus();
	return false;
  }
  else
  {
//  	Login.passw.style.border = "#333333 1px solid";
  }
	  }


function RegCheck()
{
if(reg.citycodes.value == 0) {
	   window.alert ("请选择城市")
	return false;
	  }
	  else
	  {
	  }

if(reg.SureName.value == 0) {
	   window.alert ("请填写帐户名称")
	reg.SureName.focus();
	return false;
	  }
	  else
	  {
//		reg.SureName.style.border = "#666666 1px solid";
	  }

if(reg.PassWord.value == 0) {
	   window.alert ("请填写帐户密码")
	reg.PassWord.focus();
	return false;
	  }
	  else
	  {
//		reg.PassWord.style.border = "#666666 1px solid";
	  }

  if(reg.FamilyName.value == 0) {
	   window.alert ("请填真实姓名")
	reg.FamilyName.focus();
	return false;
	  }
	  else
	  {
//		reg.FamilyName.style.border = "#666666 1px solid";
	  }

  if(reg.Mobile.value == 0) {
	   window.alert ("请填写手机号码")
	reg.Mobile.focus();
	return false;
	  }
	  else
	  {
//		reg.Mobile.style.border = "#666666 1px solid";
	  }

  if(reg.Email.value == 0) {
	   window.alert ("请填写电子邮箱")
	reg.Email.focus();
	return false;
	  }
	  else
	  {
//		reg.Email.style.border = "#666666 1px solid";
	  }

	{s=document.reg.Email.value
			var regu = "^(([0-9a-zA-Z]+)|([0-9a-zA-Z]+[_.0-9a-zA-Z-]*[0-9a-zA-Z]+))@([a-zA-Z0-9-]+[.])+([a-zA-Z]{2}|net|NET|com|COM|gov|GOV|mil|MIL|org|ORG|edu|EDU|int|INT)$"
			 var re = new RegExp(regu);
			 if (s.search(re) != -1) {
				   return true;
			 } else {
				   window.alert ("请输入正确的EMAIL地址")
			reg.Email.focus();
				   return false;
			 }
	}

  if(reg.Address.value == 0) {
	   window.alert ("请填写详细地址")
	reg.Address.focus();
	return false;
	  }
	  else
	  {
//		reg.Address.style.border = "#666666 1px solid";
	  }
}



function mails()
{
  if(FormMail.smail.value == 0) {
  	FormMail.smail.style.border = "#ffffff 1px solid";
	FormMail.smail.focus();
	return false;
  }
  else
  {
  	FormMail.smail.style.border = "#666666 1px solid";
  }


	{ss=document.FormMail.smail.value
			var regus = "^(([0-9a-zA-Z]+)|([0-9a-zA-Z]+[_.0-9a-zA-Z-]*[0-9a-zA-Z]+))@([a-zA-Z0-9-]+[.])+([a-zA-Z]{2}|net|NET|com|COM|gov|GOV|mil|MIL|org|ORG|edu|EDU|int|INT)$"
			 var res = new RegExp(regus);
			 if (ss.search(res) != -1) {
				   return true;
			 } else {
				   window.alert ("请输入正确的 E-MAIL 地址")
					FormMail.smail.style.border = "#ffffff 1px solid";
					FormMail.smail.value = "";
					FormMail.smail.focus();
				   return false;
			 }
	}
}