var DEBUG = false;
var gCookieName = "silvaCartID";
var gCartID=getCookie(gCookieName);
function doSearch() {
	if(document.forms[0].query.value == "" || document.forms[0].query.value == "type search string here") return;
	var vDB = "/silva/home.nsf";
	var searchURL="http://" + location.host + vDB + "/SiteSearchView?SearchView&SearchFuzzy=TRUE&SearchWV=TRUE&SearchMax=150&query=" + document.forms[0].query.value;
	location.href = searchURL;
}
function cancelSubmit() {
	return false;
}
function submitOrder() {
	if(document.orderForm) {
		// do field validation here first...
		alert("Submiting secure order using Authorize.Net...")
		document.orderForm.submit();
	}
}
function resetCart() {
	deleteCookie(gCookieName, "/", location.host);
	clearCart(1);	//== clear cart without prompt
}
function clearCart(force) {
	//== if force=0, then ask for confirmation
	if(!force) 
		force = confirm("Remove ALL items in your shopping cart?");
	//== otherwise just do it
	if(force) {
		var newid = getNewID();
  		var today = new Date();
  		var expires = new Date(today.getTime() + 5 * 24 * 60 * 60 * 1000);
		//set the cookie to expire in 5 days...
		setCookie(gCookieName, newid, expires, "/", location.host);
		gCartID = newid;
		location.reload(true);
	}
}
function checkKey() {
	if(window.event.keyCode == 13) {
		window.event.returnValue = false;
		doSearch();
	}
}
function getNewID() {
	var newid = Math.random().toString();
	newid = newid.slice(2, 18);
	return newid;
}
function initCart() {
	if(DEBUG) window.status = "cookie before=" + document.cookie;
	var cartid = getCookie(gCookieName);
	if(cartid==null || cartid=="" || cartid=="XXXXXX") {
		var newid = getNewID();

  		var today = new Date();
  		var expires = new Date(today.getTime() + 5 * 24 * 60 * 60 * 1000);
		//set the cookie to expire in 5 days...
		var path = "/";
		var domain = location.host;
		//alert(newid + ", " + expires + ", " + path + ", " + domain);
		setCookie(gCookieName, newid, expires, path, domain);
		
		gCartID = newid;
	} else {
		gCartID = cartid;
	}
	
	if(DEBUG) window.status = "cookie after=" + document.cookie;
	//== put the cartid cookie into the field on the form
	if(document.forms[0].cartid) {
	  document.forms[0].cartid.value = gCartID;
	}
	if(document.cartForm) {
	  if(document.cartForm.cartid) document.cartForm.cartid.value = gCartID;
	}
}
function addToCart(productNum, quantity) {
	//if(DEBUG) alert("Item " + productNum + " add to cart");
	var vDB = "/silva/home.nsf";
	var agentURL = vDB + "/addtocart?openagent&cartid=" + gCartID + "&prodnum=" + productNum + "&qty=" + quantity;
	if(DEBUG) alert("add to cart:" + agentURL);
	location.href = agentURL;
	return false;
}
function updateCart(flag) {
	//== if user clicked "Update Quantity", return back to the cart screen
	//== otherwise, it's "Check out", take them to the check out screen
	if(flag==0) document.cartForm.action.value = "0";
	else document.cartForm.action.value = "1"
	document.cartForm.submit();
	return false;
}
function removeItem(itemNumber) {
	var obj = eval("document.cartForm." + itemNumber);
	if(obj) obj.value = "0"
	updateCart(0);
	return false;
}

function parseCategory(str) {
   var category = str.substr(str.indexOf("=")+1);
   var reg = /\++/gi;
   return category.replace(reg, " ");
}
//======================================================================================
// name - name of the cookie
// value - value of the cookie
// [expires] - expiration date of the cookie (defaults to end of current session)
// [path] - path for which the cookie is valid (defaults to path of calling document)
// [domain] - domain for which the cookie is valid (defaults to domain of calling document)
// [secure] - Boolean value indicating if the cookie transmission requires a secure transmission
// * an argument defaults when it is assigned null as a placeholder
// * a null placeholder is not required for trailing omitted arguments
function setCookie(name, value, expires, path, domain, secure) {
  var curCookie = name + "=" + escape(value) +
      ((expires) ? "; expires=" + expires.toGMTString() : "") +
      ((path) ? "; path=" + path : "") +
      ((domain) ? "; domain=" + domain : "") +
      ((secure) ? "; secure" : "");
  document.cookie = curCookie;
}
// name - name of the desired cookie
// * return string containing value of specified cookie or null if cookie does not exist
function getCookie(name) {
  var dc = document.cookie;
  var prefix = name + "=";
  var begin = dc.indexOf("; " + prefix);
  if (begin == -1) {
    begin = dc.indexOf(prefix);
    if (begin != 0) return null;
  } else
    begin += 2;
  var end = document.cookie.indexOf(";", begin);
  if (end == -1)
    end = dc.length;
  return unescape(dc.substring(begin + prefix.length, end));
}
// name - name of the cookie
// [path] - path of the cookie (must be same as path used to create cookie)
// [domain] - domain of the cookie (must be same as domain used to create cookie)
// * path and domain default if assigned null or omitted if no explicit argument proceeds
function deleteCookie(name, path, domain) {
  if (getCookie(name)) {
    document.cookie = name + "=" + 
    ((path) ? "; path=" + path : "") +
    ((domain) ? "; domain=" + domain : "") +
    "; expires=Thu, 01-Jan-70 00:00:01 GMT";
  }
}
// date - any instance of the Date object
// * hand all instances of the Date object to this function for "repairs"
function fixDate(date) {
  var base = new Date(0);
  var skew = base.getTime();
  if (skew > 0)
    date.setTime(date.getTime() - skew);
}