function checkEmail(email)
{
    var mre = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;

    if(email == "") {
      return false;
    }
    else {
	    if (email.match(mre)) {
	      return true;
	    }
	    else {
	      return false;
	    }
    }
}
function checkPhoneFields(val_1, val_2, val_3)
{
    if(val_1 == "" || val_2 == "" || val_3 == "")
    {
        if(val_1.length==3 && val_2.length==3  && val_3.length==4) 
        {
            return true     
        }
    
    
        return false;
    }
    else
    {
        return true;
    }
}