function checkemail(str){
	if(str.indexOf("@")==-1){

		return false;
	}
	if(str.substring(str.indexOf("@")+1,str.length).indexOf("@")!=-1){

		return false;
	}
	if(str.indexOf(".")==-1){

		return false;
	}
	if(str.length<7){

		return false;
	}
	if(str.indexOf("!")!=-1 || str.indexOf("\"")!=-1 || str.indexOf("#")!=-1 && str.indexOf("$")!=-1 || str.indexOf("%")!=-1 || str.indexOf("'")!=-1 || str.indexOf("(")!=-1 || str.indexOf(")")!=-1 || str.indexOf("*")!=-1 || str.indexOf("+")!=-1){

		return false;
	}

	return true;

}
function submitnews()
{
	//alert("start");
	var obj=document.forms["enews"];
	if (!checkemail(obj.email.value)){
		alert("请输入正确的E-mail地址");
		return false;
	}
	if (obj.t1.value=="1"){
		obj.action="http://www.cncard.com/enews/subscribe.asp";
		obj.target="_blank";
	}
	else{
		obj.action="http://www.cncard.com/enews/unsubscribe.asp";
		obj.target="_blank";
	}
	return true;
	//obj.submit();
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function MM_popupMsg(msg) { //v1.0
  alert(msg);
}
document.write ('<table width=\"210\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\" align=\"center\">');
document.write ('  <tr> ');
document.write ('    <td height=32><img src=\"images/webvar_47.gif\" width=139 height=24></td>');
document.write ('  </tr>');
document.write ('  <tr> ');
document.write ('    <td background=\"images/webvar_31.gif\" height=\"1\"></td>');
document.write ('  </tr>');
document.write ('  <tr> ');
document.write ('    <td valign=top> ');
document.write ('      <table width=\"200\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">');
document.write ('        <form name=\"enews\" method=\"post\" action=\"\" style=\"margintop:0\" onSubmit=\"return submitnews()\">');
document.write ('          <tr> ');
document.write ('            <td width=\"1\" rowspan=\"2\">&nbsp;</td>');
document.write ('            <td align=\"right\" colspan=\"2\" height=\"32\"> ');
document.write ('              <input type=\"text\" name=\"email\" size=\"25\" value=\"输入Email订阅e周刊\" onClick=\"this.select()\" style=\"border: 1px #6E77B7 solid\">');
document.write ('            </td>');
document.write ('          </tr>');
document.write ('          <tr> ');
document.write ('            <td align=\"right\" width=\"410\" height=\"25\"> ');
document.write ('              <select name=\"t1\" size=\"1\">');
document.write ('                <option value=\"1\" selected>订阅 &nbsp;&nbsp;</option>');
document.write ('                <option value=\"2\">退订 &nbsp;&nbsp;</option>');
document.write ('              </select>');
document.write ('            </td>');
document.write ('            <td width=\"89\" align=\"right\"> ');
document.write ('              <input type=\"image\" border=\"0\" name=\"imageField\" src=\"images/cncard_button.gif\" width=\"42\" height=\"19\">');
document.write ('            </td>');
document.write ('          </tr>');
document.write ('        </form>');
document.write ('      </table>');
document.write ('    </td>');
document.write ('  </tr>');
document.write ('  <tr> ');
document.write ('    <td height=\"10\"></td>');
document.write ('  </tr>');
document.write ('</table>');