function validate(form)
{
var username=form.username.value;
var password=form.password.value;
	//var username=$F('username');
	//var password=$F('password');
	if(username=="")
	{
		//alert(username);
		inlineMsg('username','Please enter User Name.',2);
	    return false;
	}
	if(password=="")
	{
		//alert(username);
		inlineMsg('password','Please enter Password.',2);
	    return false;
	}
	
	else
	return true


}

// START OF MESSAGE SCRIPT //

var MSGTIMER = 20;
var MSGSPEED = 5;
var MSGOFFSET = 3;
var MSGHIDE = 3;

// build out the divs, set attributes and call the fade function //
function inlineMsg(target,string,autohide) {
//alert(document.getElementById('string'));
  var msg;
  var msgcontent;
  if(!document.getElementById('msg')) {
    msg = document.createElement('div');
    msg.id = 'msg';
    msgcontent = document.createElement('div');
    msgcontent.id = 'msgcontent';
    document.body.appendChild(msg);
    msg.appendChild(msgcontent);
    msg.style.filter = 'alpha(opacity=0)';
    msg.style.opacity = 0;
    msg.alpha = 0;
  } else {
    msg = document.getElementById('msg');
    msgcontent = document.getElementById('msgcontent');
  }
  msgcontent.innerHTML = string;
  msg.style.display = 'block';
  var msgheight = msg.offsetHeight;
  var targetdiv = document.getElementById(target);
  targetdiv.focus();
  var targetheight = targetdiv.offsetHeight;
  var targetwidth = targetdiv.offsetWidth;
  var topposition = topPosition(targetdiv) - ((msgheight - targetheight) / 2);
  var leftposition = leftPosition(targetdiv) + targetwidth + MSGOFFSET;
  msg.style.top = topposition + 'px';
  msg.style.left = leftposition + 'px';
  clearInterval(msg.timer);
  msg.timer = setInterval("fadeMsg(1)", MSGTIMER);
  if(!autohide) {
    autohide = MSGHIDE;  
  }
  window.setTimeout("hideMsg()", (autohide * 4000));
}

// hide the form alert //
function hideMsg(msg) {
  var msg = document.getElementById('msg');
  if(!msg.timer) {
    msg.timer = setInterval("fadeMsg(0)", MSGTIMER);
  }
}

// face the message box //
function fadeMsg(flag) {
  if(flag == null) {
    flag = 1;
  }
  var msg = document.getElementById('msg');
  var value;
  if(flag == 1) {
    value = msg.alpha + MSGSPEED;
  } else {
    value = msg.alpha - MSGSPEED;
  }
  msg.alpha = value;
  msg.style.opacity = (value / 100);
  msg.style.filter = 'alpha(opacity=' + value + ')';
  if(value >= 99) {
    clearInterval(msg.timer);
    msg.timer = null;
  } else if(value <= 1) {
    msg.style.display = "none";
    clearInterval(msg.timer);
  }
}

// calculate the position of the element in relation to the left of the browser //
function leftPosition(target) {
  var left = 0;
  if(target.offsetParent) {
    while(1) {
      left += target.offsetLeft;
      if(!target.offsetParent) {
        break;
      }
      target = target.offsetParent;
    }
  } else if(target.x) {
    left += target.x;
  }
  return left;
}

// calculate the position of the element in relation to the top of the browser window //
function topPosition(target) {
  var top = 0;
  if(target.offsetParent) {
    while(1) {
      top += target.offsetTop;
      if(!target.offsetParent) {
        break;
      }
      target = target.offsetParent;
    }
  } else if(target.y) {
    top += target.y;
  }
  return top;
}

// preload the arrow //
if(document.images) {

  arrow = new Image(7,80); 
  arrow.src = "../images/msg_arrow.png"; 
  //alert(arrow.src);
}

//validate


//Forgot Password	

function forgotPassword()
{
	document.getElementById("div_forgot_pwd").style.visibility="visible";
	document.getElementById("div_forgot_pwd").style.display="";
	document.getElementById("forgot_pwd_email").focus();
	document.getElementById("div_forgot_pwd_label").style.visibility="hidden";
	document.getElementById("div_forgot_pwd_label").style.display="none";
	
}

function hideEmail()
{
	document.getElementById("div_forgot_pwd").style.visibility="hidden";
	document.getElementById("div_forgot_pwd").style.display="none";
	document.getElementById("div_forgot_pwd_label").style.visibility="visible";
	document.getElementById("div_forgot_pwd_label").style.display="";
	$('#forgot_pwd_email').val('');
	
}


function cancelForgotPassword() 
{	
	document.getElementById("forgot_pwd_email").value="";
	document.getElementById("div_forgot_pwd_label").style.visibility="visible";
	document.getElementById("div_forgot_pwd_label").style.display="";
	document.getElementById("div_forgot_pwd").style.visibility="hidden";
	document.getElementById("div_forgot_pwd").style.display="none";
}

function clearErrMsg()
{
$('#error_mesg').html('');
$('#username').focus();
}
		
function validateForgotPwdEmail()
{
	
	var forgot_pass_email = document.getElementById('forgot_pwd_email').value;
	var email_expression = /^[a-zA-Z0-9._%-]+@[A-Z0-9a-z.-]+\.[A-Za-z]{2,4}$/;
	if(forgot_pass_email == "")
     	{
	     	inlineMsg('forgot_pwd_email','Please enter your Email.',2);
	     	return false;
     	}
     
     	if(!forgot_pass_email.match(email_expression)) 
     	{
	    	document.getElementById('forgot_pwd_email').value = "";
	    	inlineMsg('forgot_pwd_email','Please enter a valid email',2);
	    	return false;
 	 	}
 	 	
 	 	url = 'AjaxPassCodeGeneration.php';
 	 	
 	 	var CurrentURI = location.href;
		var C_uri_array = CurrentURI.split("PatientLogin.");
		
		if(C_uri_array.length != 2)
		CurrentURI = "None";
		else
		CurrentURI  = Base64.encode(CurrentURI);
 	 	
 	 	if(document.getElementById('uid') != null)
 	 	uid = document.getElementById('uid').value;
 	 	else
 	 	uid = "None";
 	 	
		//data = forgot_pass_email;
		var pars = "email="+forgot_pass_email+"&uid="+uid+"&c_uri="+CurrentURI;
		/*var ajax_hashcode = new Ajax.Request(url, {
   										method:'get',
   										parameters: pars,
   										onComplete: getResponse
   										});*/
   		
   		  		
   		$.ajax({url: url,
		type: 'GET',
		data: pars,
		success: function(ret)
		{
		getResponse(ret);
		}
		});
    	return false;
		function getResponse(oReq) 
		{
			alert(oReq);
			document.getElementById("forgot_pwd_email").value="";
			document.getElementById("div_forgot_pwd_label").style.visibility="visible";
			document.getElementById("div_forgot_pwd_label").style.display="";
			document.getElementById("div_forgot_pwd").style.visibility="hidden";
			document.getElementById("div_forgot_pwd").style.display="none";
		}
		
	
}