function validateForm(contact)
{

if(document.forms.contact.first_name.value=="")
{
alert("Please enter your first name.");
document.forms.contact.first_name.focus();
return false;
}

if(document.forms.contact.last_name.value=="")
{
alert("Please enter your last name.");
document.forms.contact.last_name.focus();
return false;
}

if(document.forms.contact.phone.value=="")
{
alert("Please enter your phone number.");
document.forms.contact.phone.focus();
return false;
}

if(document.forms.contact.email.value=="")
{
alert("Please enter your email address.");
document.forms.contact.email.focus();
return false;
}

if(document.forms.contact.company.value=="")
{
alert("Please enter your company name.");
document.forms.contact.company.focus();
return false;
}

if(document.forms.contact.phone.value=="")
{
alert("Please enter your phone number.");
document.forms.contact.phone.focus();
return false;
}

if(document.forms.contact.city.value=="")
{
alert("Please enter the city where your company is located.");
document.forms.contact.city.focus();
return false;
}

if(document.forms.contact.state.value=="")
{
alert("Please enter the state where your company is located.");
document.forms.contact.state.focus();
return false;
}

}