function submitContactForm(form)
{
	if (isContactValid(form))
	{
		if(!is_submitted) {
			is_submitted = true;
			return true;
		}
		else {
			return false;
		}
	}
	else
	{
		document.location.href = '#errorContact';
		return false;
	}
}
function isContactValid(form)
{
	var error = document.getElementById('errorContact');
	clearError(error);
	
	var b1 = isValid(error,'Name cannot be blank!','blank',form.contactfirstname);
	var b2 = isValid(error,'Email is invalid!','email',form.contactemail);
	var b3 = isValid(error,'Message cannot be blank!','blank',form.contactmessage);
	var b4 = isValid(error,'You must enter a 10 digit cell phone number.','phone',form.areacode,form.exchange,form.number);
	//var b5 = isValid(error,'Manufacturer cannot be blank!','blank',form.manufacturer);
	//var b6 = isValid(error,'Model Number cannot be blank!','blank',form.model);
	var b7 = isValid(error,'Wireless Carrier cannot be blank!','blank',form.carrier);
	
	var returnVal = b1 && b2 && b3 && b4 && b7;

	if (returnVal)
	   document.forms.contactform.elements['isfinal'].value=1;

	return returnVal;
}