function validateQuote(theForm) {
	var reason = "";

	if(reason == "") reason += validateEmpty(theForm.contactname, 'Contact Name ');
	if(reason == "") reason += validateEmpty(theForm.companyname, 'Company Name ');
	if(reason == "") reason += validateEmpty(theForm.contactnumber, 'Contact Number ');
	if(reason == "") reason += validateEmail(theForm.contactemail, 'Contact Email ');
	if(reason == "") reason += validateEmpty(theForm.state, 'State ');
	if(reason == "") reason += validateEmpty(theForm.industry, 'Industry ');
	if(reason == "") reason += validateEmpty(theForm.completed, 'Completed ');
	
      
  		if (reason != "") {
    		alert("Please complete the required fields before proceding:\n" + reason);
    		return false;
  		}
			return true;
}

function validateRadioBtn(radiobtn, numbtn, req){
	
	error = req + " has not been selected.\n"
	
	for ( i=0;i<=(numbtn-1);i++ )
	{
		if(radiobtn[i].checked == true){
			error="";
		}
	}

  return error;
	
}

function validateEmpty(fld, req) {
    var error = "";
 
    if (fld.value.length == 0) {
        fld.style.background = 'Yellow'; 
        error = req + " has not been filled in.\n"
    } else {
        fld.style.background = 'White';
    }
    return error;  
}

function trim(s)
{
	return s.replace(/^\s+|\s+$/, '');
}

function validateEmail(fld, req) {
    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 = 'Yellow';
        error = req + " has not been filled in.\n";
    } else if (!emailFilter.test(tfld)) {              //test email for illegal characters
        fld.style.background = 'Yellow';
        error = "Please enter a valid email address.\n";
    } else if (fld.value.match(illegalChars)) {
        fld.style.background = 'Yellow';
        error = "The email address contains illegal characters.\n";
    } else {
        fld.style.background = 'White';
    }
    return error;
}

function validateUsername(fld) {
    var error = "";
    var illegalChars = /\W/; // allow letters, numbers, and underscores
 
    if (fld.value == "") {
        fld.style.background = 'Yellow'; 
        error = "You didn't enter a username.\n";
    } else if ((fld.value.length < 5) || (fld.value.length > 15)) {
        fld.style.background = 'Yellow'; 
        error = "The username is the wrong length.\n";
    } else if (illegalChars.test(fld.value)) {
        fld.style.background = 'Yellow'; 
        error = "The username contains illegal characters.\n";
    } else {
        fld.style.background = 'White';
    }
    return error;
}

function validatePassword(fld) {
    var error = "";
    var illegalChars = /[\W_]/; // allow only letters and numbers 
 
    if (fld.value == "") {
        fld.style.background = 'Yellow';
        error = "You didn't enter a password.\n";
    } else if ((fld.value.length < 7) || (fld.value.length > 15)) {
        error = "The password is the wrong length. \n";
        fld.style.background = 'Yellow';
    } else if (illegalChars.test(fld.value)) {
        error = "The password contains illegal characters.\n";
        fld.style.background = 'Yellow';
    } else if (!((fld.value.search(/(a-z)+/)) && (fld.value.search(/(0-9)+/)))) {
        error = "The password must contain at least one numeral.\n";
        fld.style.background = 'Yellow';
    } else {
        fld.style.background = 'White';
    }
   return error;
}  

function validatePhone(fld) {
    var error = "";
    var stripped = fld.value.replace(/[\(\)\.\-\ ]/g, '');    

   if (fld.value == "") {
        error = "You didn't enter a phone number.\n";
        fld.style.background = 'Yellow';
    } else if (isNaN(parseInt(stripped))) {
        error = "The phone number contains illegal characters.\n";
        fld.style.background = 'Yellow';
    } else if (!(stripped.length == 10)) {
        error = "The phone number is the wrong length. Make sure you included an area code.\n";
        fld.style.background = 'Yellow';
    }
    return error;
}


function validateSearchForm(theForm) {
var reason = "";

	reason += validateEmpty(theForm.searchstr, 'The  search string ');
      
  if (reason != "") {
    alert("Please enter a word to search:\n" + reason);
    return false;
  }

  return true;
}