function checkFields (form) {

	var radioSelected;
	
	
	for (i = 0;  i < form.level.length;  i++)
	{
		if (form.level[i].checked) { radioSelected = true; }
	}
	
	if (!radioSelected)
	{
		alert ("Please choose a donation level!"); 
		return false;
	}
	
	else if ((form.level[9].checked) && (form.other_dollar.value == "")) {
		alert ("Please enter an amount for your donation!");
		form.other_dollar.focus();
		return false;
	}

	else if(form.name.value == "") {
		alert ("Please enter your name.");
		form.name.focus();
		return false;
	}
	
	else if(form.street.value == "") {
		alert ("Please enter your street address.");
		form.street.focus();
		return false;
	}
	
	else if(form.city.value == "") {
		alert ("Please enter your city.");
		form.city.focus();
		return false;
	}
	
	else if(form.state.value == "") {
		alert ("Please enter your state.");
		form.state.focus();
		return false;
	}
	
	else if(form.zip.value == "") {
		alert ("Please enter your zip code.");
		form.zip.focus();
		return false;
	}
	
	else if(form.phone.value == "") {
		alert ("Please enter your phone number.");
		form.phone.focus();
		return false;
	}
	
	else if(form.email.value == "") {
		alert ("Please enter your email address.");
		form.email.focus();
		return false;
	}
	
	else {
		return true;
	}
}