// JavaScript Document
// JavaScript Document
function validateFormOnSubmit(theForm) {
var reason = "";

reason += validateemail(theForm.email);
reason += validatefav_prod(theForm.fav_prod);
reason += validatefav_store(theForm.fav_store);
reason += validateagree(theForm.agree);
      
  if (reason != "") {
    alert("Some fields need correction:\n" + reason);
    return false;
  }

//alert("We will get back to you shortly. Thanks!");
//theForm.submit();
}
function validateEmpty(fld) {
    var error = "";
 
    if (fld.value.length == 0) {
        fld.style.background = '#FF4B4B'; 
        error = "The required field has not been filled in.\n"
    } else {
        fld.style.background = 'White';
    }
    return error;  
}


function trim(s)
{
  return s.replace(/^\s+|\s+$/, '');
}
function validateemail(fld) {
    var error="";
    var tfld = trim(fld.value);                        // value of field with whitespace trimmed off
    var emailFilter = /^[^@]+@[^@.]+\.[^@]*\w\w$/ ;
    var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/ ;
   
    if (fld.value == "") {
        fld.style.background = '#FF4B4B';
        error = "You didn't enter an email address.\n";
    } else if (!emailFilter.test(tfld)) {              //test email for illegal characters
        fld.style.background = '#FF4B4B';
        error = "Please enter a valid email address.\n";
    } else if (fld.value.match(illegalChars)) {
        fld.style.background = '#FF4B4B';
        error = "The email address contains illegal characters.\n";
    } else {
        fld.style.background = 'White';
    }
    return error;
}



function validatefav_prod(fld) {
    var error="";
    var illegalChars= /^[a-z] [-a-z0-9_ ]{0,49}$/i;
   
    if (fld.value == "") {
        fld.style.background = '#FF4B4B';
        error = "You didn't enter a Product Name.\n";
    } else if (fld.value.match(illegalChars)) {
        fld.style.background = '#FF4B4B';
        error = "Product Name contains illegal characters.\n";
    } else {
        fld.style.background = 'White';
    }
    return error;
}


function validatefav_store(fld) {
    var error="";
    var illegalChars= /^[a-z] [-a-z0-9_ ]{0,49}$/i;
   
    if (fld.value == "") {
        fld.style.background = '#FF4B4B';
        error = "You didn't enter a Favorite Store Name.\n";
    } else if (fld.value.match(illegalChars)) {
        fld.style.background = '#FF4B4B';
        error = "Favorite Store Name contains illegal characters.\n";
    } else {
        fld.style.background = 'White';
    }
    return error;
}



function validateagree(fld) {
    var error = "";
    var illegalChars = /^[a-z] [-a-z0-9_ ]{0,49}$/i; // allow letters, numbers, and underscores
	
    if (fld.checked == false) {
        fld.style.background = '#FF4B4B'; 
        error = "You didn't agree to rules\n";
    }  else {
        fld.style.background = 'White';
    }
    return error;
}