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 show_hide_login_form()
{
	if(document.getElementById('login_form').style.display == "none")
	{
		document.getElementById('login_form').style.display = "block";
	}	else	{
		document.getElementById('login_form').style.display = "none";
	}
}

function show_hide_forgot_password()
{
	if(document.getElementById('forgot_password').style.display == "none")
	{
		document.getElementById('forgot_password').style.display = "block";
	}	else	{
		document.getElementById('forgot_password').style.display = "none";
	}
}

function show_hide_contact_details()
{
	if(document.getElementById('contact_details').style.display == "none")
	{
		document.getElementById('contact_details').style.display = "block";
	}	else	{
		document.getElementById('contact_details').style.display = "none";
	}	
}

function validateForgotPassword(frmObj)
{
	if(!validateBlank(frmObj.email,"Please Enter Email Address")) return false;	
	if ((frmObj.email.value.indexOf("@")==-1)||(frmObj.email.value.indexOf(".")==-1))
	{
		alert("Please Enter Valid Email Address")
		frmObj.email.focus();
		return false;
	}
	if(!validateBlank(frmObj.dob,"Please Enter Date Of Birth")) return false;	
	var divName = document.getElementById('password_process');
    var req = new XMLHttpRequest();    
	req.onreadystatechange = function() {
		if (req.readyState == 4) {
            if (req.status == 200) {
                switch(req.responseText)
				{
					case "1":
						msg = "No details found";
					break;
					case "2":
						msg = "";
					break;
					case "default":
						msg = "Unable to process your request";
					break;
				}
				if(msg == "")	{
					divName.innerHTML = "Your password has been mailed to your email address.";
				}	else	{	
					alert(msg);
					divName.innerHTML = "";
				}
            } else {
				alert("Error: While trying to perform action, please try again later");
			}
		} else {
			divName.innerHTML = "Please wait ...";
		}
    }
    req.open("GET", "common.process.php?username=" + frmObj.email.value +"&dob="+ frmObj.dob.value +"&action=forgot_password" , true);
    req.send("");
	return false;
}

function validateLogin(frmObj)
{
	if(!validateBlank(frmObj.email,"Please Enter Email Address")) return false;	
	if ((frmObj.email.value.indexOf("@")==-1)||(frmObj.email.value.indexOf(".")==-1))
	{
		alert("Please Enter Valid Email Address")
		frmObj.email.focus();
		return false;
	}
	if(!validateBlank(frmObj.password,"Please Enter Password")) return false;
	var divName = document.getElementById('login_process');
    var req = new XMLHttpRequest();    
	req.onreadystatechange = function() {
		if (req.readyState == 4) {
            if (req.status == 200) {
                switch(req.responseText)
				{
					case "1":
						msg = "Username not found please check username";
					break;
					case "2":
						msg = "Invalid Username and / or  Password";
					break;
					case "3":
						msg = "Email address not authenticated, Please check your email";
					break;
					case "4":
						msg = " Your acount is freezed. Contact administrator";
					break;
					case "5":
						msg = "";
					break;
				}
				if(msg == "")	{
					//document.getElementById('login_logoff').innerHTML = '<a href="logout.php"><img src="images/logout.jpg"  alt="" border="0"></a>';
					document.getElementById('login_form').innerHTML = document.getElementById('logged_user').innerHTML;
					divName.innerHTML = "";
					divName.style.display = "none";
				}	else	{
					alert(msg);
					divName.innerHTML = "";
					divName.style.display = "none";
				}
            } else {
				alert("Error: While trying to perform action, please try again later");
			}
		} else {
			divName.innerHTML = "Please wait ...";
		}
    }
    req.open("GET", "common.process.php?username=" + frmObj.email.value + "&password=" + frmObj.password.value + "&action=login" , true);
    req.send("");
	return false;
}