function validateFormOnSubmit(theForm) {
var reason = "";
  reason += validateEmpty(theForm.name);
  reason += validateEmail(theForm.email);
  reason += validateEmpty(theForm.message);
  if (reason != "") {
    return false;
  }
  return true;
}
function validateEmpty(fld) {
    var error = "";
 
    if (fld.value.length == 0) {
        fld.style.background = '#FFD3D3'; 
        error = "None"
    } else {
        fld.style.background = 'White';
    }
    return error;  
}
function trim(s)
{
  return s.replace(/^\s+|\s+$/, '');
}
function validateEmail(fld) {
    var error="";
    var tfld = trim(fld.value);                        
    var emailFilter = /^[^@]+@[^@.]+\.[^@]*\w\w$/ ;
    var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/ ;
   
    if (fld.value == "") {
        fld.style.background = '#FFD3D3';
        error = "None";
    } else if (!emailFilter.test(tfld)) {
        fld.style.background = '#FFD3D3w';
        error = "None";
    } else if (fld.value.match(illegalChars)) {
        fld.style.background = '#FFD3D3';
        error = "None";
    } else {
        fld.style.background = 'White';
    }
    return error;
}