// JavaScript Document
function get_order(listID){
	var string;
	var list = document.getElementById(listID);
	var items = list.getElementsByTagName("li");
	var itemsString = "";
	for (var i = 0; i < items.length; i++) {
		if (itemsString.length > 0) itemsString += ":";
		itemsString += items[i].firstChild.id;
	}
	return itemsString;
}
function field_exists(objToTest) {
	if (objToTest == null || objToTest == undefined){
		return false;
	}
	return true;
}
function openhelp(topic)
{
	window.open ("help.php?topic="+topic,"helpwindow","location=0,status=1,scrollbars=1,width=400,height=350");
} 
function check_entry()
{
	var test_for_thumbnail = false;
	if(!field_exists(document.entry.editing)){
		test_for_thumbnail = true;
		var ext = document.entry.thumbnail.value;
		if(ext.length>0){
			ext = ext.substring(ext.length-3,ext.length);
			ext = ext.toLowerCase();
		}	
	}
	var title = document.entry.title.value;
	var cat_choices  = document.entry.category.selectedIndex;
	var url = document.entry.url.value;
	url = trimString(url);
	// url = url.toLowerCase();
	document.entry.url.value = url;
	if(title.length < 6){
		alert('Please make your title 5 chracters or more');
		return false; 
	}else if(test_for_thumbnail && ext != 'jpg') {
		alert('Please choose a .jpg file to upload');
		return false; 
	}else if(cat_choices<0){
		alert('Please select a category');
		return false; 
	}else if(url.match('http://')==null) {
		alert('Please include "http://" in your url');
		return false; 
	}else
		return true;
}
function trimString (str) {
  str = this != window? this : str;
  return str.replace(/^\s+/g, '').replace(/\s+$/g, '');
}