function check_request_materials(form) {
	if (isBlank(form.rabbi_name, "Please enter your name.")) { return false; }
	if (isBlank(form.temple_synag_affil, "Please enter Temple/Synagogue affiliation.")) { return false; }
	if (isBlank(form.street_address, "Please enter your street address.")) { return false; }
	if (isBlank(form.city, "Please enter your city.")) { return false; }
	if (isBlank(form.state, "Please enter your state.")) { return false; }
	if (isBlank(form.zip, "Please enter your zip code.")) { return false; }
	
	if (isBlank(form.email, "Please fill in an email address.")) { return false; }
	if (!isValidAddress(form.email.value)) {
		alert("Please enter a valid e-mail address.");
		form.email.focus();
		form.email.select();
		return false;
	}	
	
	if (isBlank(form.number_packets, "Please enter number of packets needed.")) { return false; }
	
	return true;
}


function format_uri(textarea,replaceWith) { 
	textarea.value = encodeURI(textarea.value);
	
	for(i=0; i<textarea.value.length; i++){ 
		if(textarea.value.indexOf("%0D%0A") > -1){ 
		//Windows encodes returns as \r\n hex
			textarea.value=textarea.value.replace("%0D%0A",replaceWith);
		}
		else if(textarea.value.indexOf("%0A") > -1){ 
		//Unix encodes returns as \n hex
			textarea.value=textarea.value.replace("%0A",replaceWith);
		}
		else if(textarea.value.indexOf("%0D") > -1){ 
		//Macintosh encodes returns as \r hex
			textarea.value=textarea.value.replace("%0D",replaceWith);
		}
	
	}

	textarea.value=unescape(textarea.value);
	
	return true;
}

function isBlank(obj, message) {
	if (obj.value == "") {
		alert(message);
		obj.focus();
		return true;
	}
	
	return false;
}

function isBlankNoFocus(obj, message) {
	if (obj.value == "") {
		alert(message);
		return true;
	}
	
	return false;
}

function isValue(obj, value, message) {
	if (obj.value == value) {
		alert(message);
		obj.focus();
		return true;
	}
	
	return false;
}

function isValidAddress(addr) {
	index1 = addr.indexOf("@");
	if (index1 <= 0) {
		return false;
	}
	index2 = addr.indexOf(".", index1);
	if (index2 < index1) {
		return false;
	}
	
	//must be at least a period and 2 characters at the end
	if (index2 == addr.length-1 || index2 == addr.length-2) {
		return false;
	}
	return true;
}