function isValidEmailAddress(emailAddress) {
        var pattern = new RegExp(/^(("[\w-\s]+")|([\w-]+(?:\.[\w-]+)*)|("[\w-\s]+")([\w-]+(?:\.[\w-]+)*))(@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$)|(@\[?((25[0-5]\.|2[0-4][0-9]\.|1[0-9]{2}\.|[0-9]{1,2}\.))((25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})\.){2}(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})\]?$)/i);
        return pattern.test(emailAddress);
    }
    var validfname=false;
    var validlname=false;
    var validemail=false;
    $(document).ready(function() {
        $("#Contact0FirstName").keyup(function(){
        var fname = $("#Contact0FirstName").val();
        if(fname != ''&& $.trim(fname)!='First Name')
        {
            validfname=true;
            $("#validFname").css({ "background-image": "url('http://l2st.co.uk/images/validyes.png')" });
        } else {
            $("#validFname").css({ "background-image": "url('http://l2st.co.uk/images/validno.png')" });
        }
    });
    $("#Contact0LastName").keyup(function(){
    var lname = $("#Contact0LastName").val();
    if(lname != ''&& $.trim(lname)!='Last Name')
    {
        validlname=true;
        $("#validLname").css({ "background-image": "url('http://l2st.co.uk/images/validyes.png')" });
    } else 
    {
        $("#validLname").css({ "background-image": "url('http://l2st.co.uk/images/validno.png')" });
    }
    });
    $("#Contact0Email").keyup(function(){
    var email = $("#Contact0Email").val();
    if(email != ''&&$.trim(email) != 'Email')
    {
        if(isValidEmailAddress(email)){
            validemail = true;
            $("#validEmail").css({ "background-image": "url('http://l2st.co.uk/images/validyes.png')" });
        }else{
            $("#validEmail").css({ "background-image": "url('http://l2st.co.uk/images/validno.png')" });
        }
    } else {
        $("#validEmail").css({ "background-image": "url('http://l2st.co.uk/images/validno.png')" });
    }
    });
    });
    function is_contact_valid(){
    if(validfname==true && validlname==true && validemail==true){
    return true;
    }else{
    if(!validfname){
    $('#Contact0FirstName').focus();
    $("#validFname").css({ "background-image": "url('http://l2st.co.uk/images/validno.png')" });
    return false;
    }if(!validlname){
    $('#Contact0LastName').focus();
    $("#validLname").css({ "background-image": "url('http://l2st.co.uk/images/validno.png')" });
    return false;
    }if(!validemail){
    $('#Contact0Email').focus();
    $("#validEmail").css({ "background-image": "url('http://l2st.co.uk/images/validno.png')" });
    return false;
    }
    }
    }