var http = false;
if(navigator.appName == "Microsoft Internet Explorer") {
  http = new ActiveXObject("Microsoft.XMLHTTP");
} else {
  http = new XMLHttpRequest();
}


function login() { 
	
	var uid=document.getElementById('uid1').value;
	var pwd=document.getElementById('pwd1').value;
	
		
http.open("GET","plogin.php?status=login&uid="+ uid + "&pwd=" + pwd , true);
//alert ("plogin.php?status=login&uid="+ uid + "&pwd=" + pwd);
http.onreadystatechange=function() {
    if(http.readyState == 4) {
		document.getElementById('hello').innerHTML = http.responseText;
    }
  }
http.send(null);
}




function loginhead() { 
	var uid=document.getElementById('uid').value;
	var pwd=document.getElementById('pwd').value;

http.open("GET","plogin.php?status=login&uid="+ uid + "&pwd=" + pwd , true);
//alert ("plogin.php?status=login&uid="+ uid + "&pwd=" + pwd);
http.onreadystatechange=function() {
    if(http.readyState == 4) {
		document.getElementById('hello').innerHTML = http.responseText;
    }
  }
http.send(null);
}







function logout(){
http.open("GET","plogin.php?status=logout", true);
//alert ("plogin.php?status=login&uid="+ uid + "&pwd=" + pwd);
http.onreadystatechange=function() {
    if(http.readyState == 4) {
		document.getElementById('hello').innerHTML = http.responseText;
    }
  }
http.send(null);
}

function apply()
{
var objForm = document.forms[0];
var boxvalue="";
  var el = document.getElementsByName('app[]')
  for(i=0;i<el.length;i++){
    if(el[i].checked){
		var myArray = new Array();
		myArray[i] = el[i].value;
		boxvalue =boxvalue + el[i].value + ",";
		}
  }	   
  //alert (boxvalue);
	http.open("GET","plogin.php?status=apply&ids=" + boxvalue, true);
	//alert ("plogin.php?status=apply&ids=" + boxvalue);
	http.onreadystatechange=function() {
    if(http.readyState == 4) {
		document.getElementById('applys').innerHTML = http.responseText;
    }
  }
http.send(null);

}