// JScript File
function validateNews()
{    
    var msg=document.getElementById("lblMessage");
    var txtEmaillogin=document.getElementById('ctl00_txtEmaillogin');
    var emailRegEx = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;    
    
    if(txtEmaillogin.value=="")
    {
        //msg.textContent="Please Enter Email Id";
        txtEmaillogin.value="Please Enter Email Id";
        return false;
    }
    else
    {
        if(txtEmaillogin.value.match(emailRegEx))
            {                            
            }
            else
            {       
               txtEmaillogin.value = 'Please enter a valid email';
               return false;                         
            }
    }    
}

function change()
{
    var txtEmaillogin=document.getElementById("ctl00_txtEmaillogin");
    if(txtEmaillogin.value=="" || txtEmaillogin.value=="Please Enter Email Id" || txtEmaillogin.value=="Please enter a valid email") 
    {
        txtEmaillogin.value="";
        txtEmaillogin.focus();
    }
}

function revert()
{
    var txtEmaillogin=document.getElementById("ctl00_txtEmaillogin");
    if(txtEmaillogin.value=="")
    {
        txtEmaillogin.value="Please Enter Email Id";
    }
}


// JScript File
function validateUnsubscribe()
{    
    var msg=document.getElementById("lblMessage");
    var txtEmaillogin=document.getElementById('ctl00_BodyContent_txtEmaillogin');
    var emailRegEx = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;    
    
    if(txtEmaillogin.value=="")
    {
        //msg.textContent="Please Enter Email Id";
        txtEmaillogin.value="Please Enter Email Id";
        return false;
    }
    else
    {
        if(txtEmaillogin.value.match(emailRegEx))
            {                            
            }
            else
            {       
               txtEmaillogin.value = 'Please enter a valid email';
               return false;                         
            }
    }    
}

function changeUnsubscribe()
{
    var txtEmaillogin=document.getElementById("ctl00_BodyContent_txtEmaillogin");
    if(txtEmaillogin.value=="" || txtEmaillogin.value=="Please Enter Email Id" || txtEmaillogin.value=="Please enter a valid email")
    {
        txtEmaillogin.value="";
        txtEmaillogin.focus();
    }
}

function revertUnsubscribe()
{
    var txtEmaillogin=document.getElementById("ctl00_BodyContent_txtEmaillogin");
    if(txtEmaillogin.value=="")
    {
        txtEmaillogin.value="Please Enter Email Id";
    }
}