function showRating(tdId, rating)
{
	for(var i = 1; i <= rating; i++)
		document.getElementById(tdId+'r'+i).src = '/images/ratingsBar/rb'+i+'-on.gif';
	for(i; i <= 5; i++)
		document.getElementById(tdId+'r'+i).src = '/images/ratingsBar/rb'+i+'-off.gif';
}

function hideRating(tdId, rating)
{
	for(var i = 1; i <= rating; i++)
		document.getElementById(tdId+'r'+i).src = '/images/ratingsBar/rb'+i+'-off.gif';
	for(i = 1; i <= clickedRating[tdId]; i++)
		document.getElementById(tdId+'r'+i).src = '/images/ratingsBar/rb'+i+'-on.gif';
}

function selectRating(tdId, rating)
{
	clickedRating[tdId] = rating;
	document.getElementById(tdId).innerHTML = "Rating: "+rating+" of 5";
	document.getElementById("clickedRating"+tdId).value = rating;
}

function clearContent(field)
{
	if(field.value == 'Enter your review here')
		field.value = '';
}

function validateForm(form)
{
	var errors = "";
	if(form.companyName.value == "")
		errors += "- Your Company Name is required.\n";
	if(form.contactName.value == "")
		errors += "- A Contact Name is required.\n";
	if(form.contactEmail.value == "")
		errors += "- A Contact Email Address is required.\n";
	if(errors != "")
		alert(errors);
	return (errors == "");
}