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) { //v4.01
  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 && d.getElementById) x=d.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 GetXmlHttpObject()
{
var xmlHttp=null;
try
 {
 // Firefox, Opera 8.0+, Safari
 xmlHttp=new XMLHttpRequest();
 }
catch (e)
 {
 // Internet Explorer
 try
  {
  xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
  }
 catch (e)
  {
  xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
 }
return xmlHttp;
}

function sentmail()
{
  if(check()==true){
   xmlHttp=GetXmlHttpObject()
   if (xmlHttp==null){
      alert ("Browser does not support HTTP Request");
      return;
       }
      var url="./sendmail.php";
      var urlpost="aEmailx="+document.form.aEmailx.value;
	  urlpost=urlpost+"&aName="+document.form.aName.value;
	  urlpost=urlpost+"&aSelect1="+document.form.aSelect1.value;
	  urlpost=urlpost+"&aSelect2="+document.form.aSelect2.value;
	  urlpost=urlpost+"&aText="+document.form.aText.value;
      xmlHttp.onreadystatechange=sendmailstateChanged;
      xmlHttp.open("POST",url,true);
	  xmlHttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
      xmlHttp.send(urlpost);
    }
}

function sendmailstateChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 { 
 document.getElementById("message").innerHTML=xmlHttp.responseText;
 } 
}
function check(){
Name=document.form.aName;    //获最表单元素
Text=document.form.aText;    //获最表单元素
mail1=document.form.aEmailx;    //获最表单元素
mail2=document.form.aEmaily;    //获最表单元素
if(Name.value==""){
  alert("请输入姓名!!");
  return false;
}
if(Text.value==""){
  alert("请输入想报考的学校!!");
  return false;
}
if(mail1.value!=mail2.value){
  alert("电子邮件地址和再次输入的电子邮件地址不一致!!");
  return false;
}
if(mail1.value.indexOf("@",2)==-1 && mail1.value.indexOf(".",5)==-1){   //判断获取的值从第二位开始是否有"@"符号和第五位以后是否有"."符号
  alert("邮件格式不正确!!");
  return false;
 }else{
  alert("提交成功!正在处理中,请等候!");
  return true;
 }
}