function newXmlHttp(){
	
	var xmlhttp = false;
	var xmlhttp2 = false;
	var xmlhttp3 = false;
	
	try{
		xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
		xmlhttp2 = new ActiveXObject("Msxml2.XMLHTTP");
		xmlhttp3 = new ActiveXObject("Msxml2.XMLHTTP");
		}catch(e){
			try{
				xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
				xmlhttp2 = new ActiveXObject("Microsoft.XMLHTTP");
				xmlhttp3 = new ActiveXObject("Microsoft.XMLHTTP");
			}catch(e){
				xmlhttp = false;
				xmlhttp2 = false;
				xmlhttp3 = false;
			}
		}


	if(!xmlhttp && document.createElement){
		xmlhttp = new XMLHttpRequest();
	}
	
	if(!xmlhttp2 && document.createElement){
		xmlhttp2 = new XMLHttpRequest();
	}

	if(!xmlhttp3 && document.createElement){
		xmlhttp3 = new XMLHttpRequest();
	}
return xmlhttp;
return xmlhttp2;
return xmlhttp3;

}

var  xmlhttp;
var  xmlhttp2;
var  xmlhttp3;

function trim(str)
{
 return str.replace(/^\s+|\s+$/g, ''); 
}

function ChkLogin() {
	
	var user=document.getElementById("txtusername").value;
	var pass=document.getElementById("txtpassword").value;
	var where=document.getElementById("where").value;
	 xmlhttp = newXmlHttp();
     xmlhttp.onreadystatechange = function () { 
          if (xmlhttp.readyState==4) {
               if (xmlhttp.status==200) {
                    var data=xmlhttp.responseText; //รับค่ากลับมา
					var res=trim(data);
                   if(res=="Login_OK"){
						window.location="http://www.siamfoodservices.com/member.php";   
				   }else{
				   		alert(res);
				   }
				} 
          } 
     }
	  xmlhttp.open("GET", "getMember_login.php?user="+user+"&pass="+pass, true); 
     xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); // set Header
     xmlhttp.send(null); //ส่งค่า
}

function ChkForgot() {

	var email=document.getElementById("txtemail").value;
	 xmlhttp2 = newXmlHttp();
     xmlhttp2.onreadystatechange = function () { 
          if (xmlhttp2.readyState==4) {
               if (xmlhttp2.status==200) {
                    var data2=xmlhttp2.responseText; //รับค่ากลับมา
					var res=trim(data2);
					alert(res);
					document.getElementById("ShowForgot").innerHTML=data2; //แสดงผล แทนรูปรอโหลด
               } 
          } 
     }
     xmlhttp2.open("GET", "getMember_forgot.php?email="+email, true); //+"&id="+id
     xmlhttp2.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); // set Header
     xmlhttp2.send(null); //ส่งค่า
}

function Login() {
	
	
	var user=document.getElementById("txtusername2").value;
	var pass=document.getElementById("txtpassword2").value;
	var where=document.getElementById("where2").value;
	
	if(user!="" && pass !="")
	{
				xmlhttp3 = newXmlHttp();
				 xmlhttp3.onreadystatechange = function () { 
					  if (xmlhttp3.readyState==4) {
						   if (xmlhttp3.status==200) {
								var data3=xmlhttp3.responseText; //รับค่ากลับมา
								var res=trim(data3);
							   if(res=="Login_OK"){
									window.location=where;   
							   }else{
									alert(res);
							   }
							} 
					  } 
				 }
				 
				 xmlhttp3.open("GET", "getMember_login.php?user="+user+"&pass="+pass, true); 
				 xmlhttp3.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); // set Header
				 xmlhttp3.send(null); //ส่งค่า
				 
	}
	
	               else if(user==""){
						alert("Please enter username.");
						document.getElementById("txtusername2").focus();
					 }
					 if(pass==""){
						alert("Please enter password.");
						document.getElementById("txtpassword2").focus();
					}
}

function checkEnter()
{
	if(event.keyCode == 13){
		Chk();
	}
}

function Enter()
{
	if(event.keyCode == 13){
		Login();
	}
}

function swapLayer(strEnableLayerName , strDisableLayerName){
	var objEnableLayer, objDisableLayer;
	objEnableLayer = document.getElementById(strEnableLayerName);
	objDisableLayer = document.getElementById(strDisableLayerName);
	//alert(strEnableLayerName);
	objEnableLayer.style.display = "";
	//objEnableLayer.focus();
	objDisableLayer.style.display = "none";
	objDisableLayer.style.disabled = true;
//	document.frmLogin.password.focus();
}