function chkRightLogin()
{
	var pars="";
	
  var UN 	=$F('vRUserName');
	//var redirect 	= $F('redirect');
	//var flag 	= $F('flag');
	var Pass = $F('vRPassword');
	/*if(flag == 'logoutsuccess')
		flag = '';
		*/
		
   	
  if(UN == ""){
	 alert(MSG_JS_ENTER_USER_NAME);
		$('vRUserName').focus();		
		return false;
	}
	if(Pass == ""){
	  alert(MSG_JS_ENTER_PSW);
		$('vRPassword').focus();
		return false;
	}
	
  var str = '';
  var url = SITE_URL+"index.php?file=mem-aj_authentication";
	pars = '&UN='+UN+'&Pass='+Pass;
  //alert(url+pars);
	var myAjax = new Ajax.Request(
			url,
			{
				method: 'get', 
				parameters: pars, 
				onSuccess: getrightloginmessage
			});
}
// returns true if the string is a valid email

function chkRlengh() 
{
			$('login').onclick = function(){chkRightLogin();return false;};
		return true;
}

function isEmail(str){
	//alert(str);
	var nstr = trim(str);
	//if(isRequired(nstr)) return false;
	var re = /^[^\s()<>@,;:\/]+@\w[\w\.-]+\.[a-z]{2,}$/i
	return re.test(nstr);
}
function trim(s)
{
 	return s.replace(/^\s+|\s+$/g, ''); 
}
function getrightloginmessage(originalRequest)
{	
	if(originalRequest.responseText.indexOf('invalid') == -1)
	{
		
		var xmlDocument = originalRequest.responseXML; 
		var exist	=	xmlDocument.getElementsByTagName('succ').item(0).firstChild.data;
		var val	=	xmlDocument.getElementsByTagName('val').item(0).firstChild.data;
		var fname	=	xmlDocument.getElementsByTagName('fname').item(0).firstChild.data;
		var title	=	xmlDocument.getElementsByTagName('title').item(0).firstChild.data;
		var flag	=	xmlDocument.getElementsByTagName('flag').item(0).firstChild.data;		
		
		if($('iRefRequestId')){
            var iRefRequestId = $('iRefRequestId').value;
        }else{
            var iRefRequestId = '';
        }

		if(exist == 0)
		{
		  //document.getElementById("msgemail").innerHTML= '<font color="red">Login fail due to wrong Email Address or Password.</font>';
		  alert(MSG_LOGIN_FAILURE);
		  $('vUserName').value="";
			$('vPassword').value="";
			return false;
		}		
		else if(exist == 1)
		{	
			
            if(iRefRequestId !=''){
              window.location=SITE_URL+"index.php?file=c-reqdetail&id="+iRefRequestId;  
            }else{
				var msg ="loginsucc";
                window.location=SITE_URL+"home/"+msg;          
            }
			return false;
		}else if(exist == 2){
		  //document.getElementById("msgemail").innerHTML= '<font color="red">Your account is temporarily inactive.Please contact administrator.</font>';
		  alert(MSG_ACC_INACTIVE)
		}
		else if(exist == 3)
        {
//		    document.getElementById("msgemail").innerHTML = '<font color="red">Your account is temporarily block. \n Please contact Administrator to activate it.</font>';
  alert(MSG_ACC_BLOCK);
		}		
		else if(exist == 4)
        {
        alert(MSG_ACC_NOT_VERIFIED);
        }		
	}	
}