// -->
function checkInputValidity (form) {
    var errors = new String();

	errors = "";

	if (form.a_name_f.value == "") {
        errors = errors + "Please provide your firstname\n\n";
    }

	if (form.a_name_s.value == "") {
	        errors = errors + "Please provide your surname\n\n";
    }

	if (form.b_email.value == "" || ((form.b_email.value.indexOf('@', 0) == -1) && (form.b_email.value.indexOf('.', 0) == -1))) {
        errors = errors + "Please provide a valid email address\n\n";
    }

	if (form.c_address.value == "") {
	        errors = errors + "Please provide your address\n\n";
    }

	if (form.d_postcode.value == "") {
	        errors = errors + "Please provide your postcode\n\n";
    }

	if (form.e_phone.value == "") {
	        errors = errors + "Please provide your phone number\n\n";
    }

	if (form.f_quote.value == "" || form.f_quote.value == 0 || form.f_quote.value.indexOf(',',0) != -1 || form.f_quote.value.indexOf('.',0) != -1 || form.f_quote.value.indexOf('£',0) != -1 || form.f_quote.value.indexOf('$',0) != -1 || form.f_quote.value.indexOf('%',0) != -1 || form.f_quote.value.indexOf('"',0) != -1) {
	        errors = errors + "Please re-enter a valid purchase price. Please do not enter commas or £ signs.\n\n";
    }

	if (form.h_etype == "") {
	        errors = errors + "Please provide the type of estimate required\n\n";
    }


     if (errors != "") {
        alert(errors);
        return false;
    }
}

// -->