function check_and_submit_form()
{var fields=['first_name','last_name','email','phone'];for(var i in fields)
{var value=$j('#'+fields[i]).val();if(!value||(fields[i]=='email'&&!$j.box.isEmail(value)))
{alert('Please make sure to enter your First name, Last name, Email, and Phone.');return false;}}
document.forms['form'].submit();}