function check_form(form_name) {
	var theForm = document.forms[form_name];
	if(theForm.elements['form[fname]'].value == 0) {
		alert("Please enter your first name"); 
		theForm.elements['form[fname]'].focus(); 
		return(false);
	}
	if(theForm.elements['form[lname]'].value == 0) {
		alert("Please enter your last name"); 
		theForm.elements['form[lname]'].focus(); 
		return(false);
	}
	if(theForm.elements['form[street1]'].value == 0) {
		alert("Please enter your address"); 
		theForm.elements['form[street1]'].focus(); 
		return(false);
	}
	if(theForm.elements['form[city]'].value == 0) {
		alert("Please enter the city you live in"); 
		theForm.elements['form[city]'].focus(); 
		return(false);
	}
	if(theForm.elements['form[zip]'].value == 0) {
		alert("Please enter the zipcode"); 
		theForm.elements['form[zip]'].focus(); 
		return(false);
	}
	if(theForm.elements['form[country]'].value == "" || theForm.elements['form[country]'].value == 0){
		alert("Please enter the country you live in"); 
		theForm.elements['form[country]'].focus(); 
		return(false);
	}
	if(theForm.elements['form[phone]'].value == 0) {
		alert("Please enter your phone"); 
		theForm.elements['form[phone]'].focus(); 
		return(false);
	}
	if(theForm.elements['form[email]'].value == 0) {
		alert("Please enter your email address"); 
		theForm.elements['form[email]'].focus(); 
		return(false);
	}
	if(form_name == 'return') {
		if(theForm.elements['form[unit]'].value == 0) {
			alert("Please enter the unit model");
			theForm.elements['form[unit]'].focus();
			return(false);
		}
		if(theForm.elements['form[date]'].value == 0) {
			alert("Please enter the date of purchase");
			theForm.elements['form[date]'].focus();
			return(false);
		}
		if(theForm.elements['form[store]'].value == 0) {
			alert("Please enter the store where the unit was purchased");
			theForm.elements['form[store]'].focus();
			return(false);
		}
	}
	return (true);
}