function addProductToCart(gsiID, qty) {
	var frm0 = document.forms[0];
	var frm1 = document.forms[1];
	jsSystemID = gsiID;
	jsQty = qty;
	sessionCartID = readCartCookie() ;
	if (sessionCartID == "" || sessionCartID == null) {
// generate a cart ID for a new order and set the cookie
		todayDate = new Date();
		thisMonth = todayDate.getMonth() + ""  ;
		thisDay = todayDate.getDate() + ""  ;
		thisTime = todayDate.getTime() + ""  ;
		rndNumber = Math.random()  ;
		rndNumberText = rndNumber + "" ;
		rndNumberText = rndNumberText.substring(12) ;
		thisTime = thisTime.substring(6) ;

		sessionCartID = "CRT" + thisTime  + rndNumberText;
		setCartCookie(sessionCartID) ;
	}
	// Now immediatly try to read the cooke to see if cookies are enabled.
	//If not, warn the user to enable them.
	tempSessionID = readCartCookie();
	if (tempSessionID == "" || tempSessionID == null) {
		var cookie_msg1 = "";
		cookie_msg1 += "NOTE !!\n";
		cookie_msg1 += "_________________________________________________\n\n";
		cookie_msg1 += "We use cookies to keep track of the ordering process.\n";
		cookie_msg1 += "You'll need to enable cookies in your browser to continue.\n";
		cookie_msg1 += "If you aren't sure how to do this, check through the browser\n";
		cookie_msg1 += "help, or search online.\n";
		cookie_msg1 += "_________________________________________________\n";
		alert(cookie_msg1) ;
		return ;
	}

	frm0.addToCartSessionID.value = sessionCartID ;
	frm0.addToCartGSISystemID.value = jsSystemID ;
	frm0.actionType.value = "AddLine" ;
	frm0.submit() ;
	//setXMLAddToCart (sessionCartID, jsSystemID, jsQty)
}

function displayCartItems() {
	sessionCartID = readCartCookie() ;
	if (sessionCartID == "" || sessionCartID == null) {
		msg = "Your cart appears to be empty" ;
		alert(msg) ;
		return ;
	}else {
		// extend the cart cookie
		setCartCookie(sessionCartID) ;
		fullOpenCommand = GNServerPath + "/fORDCart?OpenForm&cartID=" +sessionCartID;
		window.location.replace(fullOpenCommand) ;
	}
}

function enterCustInfo() {
	sessionCartID = readCartCookie() ;
	if (sessionCartID == "" || sessionCartID == null) {
		msg = "Your cart appears to be empty" ;
		alert(msg) ;
		return ;
	}else {
		// extend the cart cookie
		setCartCookie(sessionCartID) ;
		fullOpenCommand = GNServerPath + "/fORDCustInfo?OpenForm&cartID=" +sessionCartID;
		window.location.replace(fullOpenCommand) ;
	}
}

function checkoutCartItems() {
	sessionCartID = readCartCookie()  ;
	if (sessionCartID == "" || sessionCartID == null) {
		msg = "Your cart appears to be empty" ;
		alert(msg) ;
		return ;
	} else {
		// get the cookie
		sessionCartID = readCartCookie()  ;
		// reset the cookie to expire immediately
		expireCartCookie(sessionCartID) ;
		fullOpenCommand = jsSSLPath + "/fAPOrderCC" + SiteLayoutStyle + "?OpenForm&cartID=" +sessionCartID + "&replicaid=" + jsReplicaID +  "&referrer=" + GNServerPath;
		window.location.replace(fullOpenCommand) ;
	}
}
function updateCart() {
	var frm = document.forms[0];
	frm ["actionType"].value = "UpdateCart" ;
	frm.submit() ;
}
function changeQuantity(lineID) {
	choice = document.forms[0] [ lineID ].selectedIndex;
	textChoice = document.forms[0] [ lineID ].options[choice].text;
}
function changeQuantities(lineNumber) {
// add some checking here to verify a quantity
	var frm0 = document.forms[0];
	var frm1 = document.forms[1];
	jsLineNumber = lineNumber;
	var frm = document.forms[0];
	qtyScreenFieldName = "Qty" + jsLineNumber;
	qtySaveFieldName = "SQty" + jsLineNumber;
	qtyvalue= frm1 [ qtyScreenFieldName ].value;
	if ( qtyvalue == "" ) {
		qtyvalue = "0";
		frm1 [ qtyScreenFieldName ].value = qtyvalue;
	} 
	if ( isNaN( qtyvalue ) ) {
		alert( "Quantities must be whole numeric");
		qtyvalue= frm [ qtySaveFieldName ].value;
		frm1 [ qtyScreenFieldName ].value = qtyvalue;
		return;
	}
	frm0 [ qtySaveFieldName ].value = qtyvalue;
}
function removeItem(lineNumber) {
	var frm0 = document.forms[0];
	var frm1 = document.forms[1];
	frm0 ["LineToRemoveText"].value = lineNumber ;
	frm0.actionType.value = "RemoveLine" ;
	frm0.submit() ;
}
function cancelOrder() {
	var frm = document.forms[0];
	var confirm_msg1 = "";
	confirm_msg1 += "WARNING !!\n";
	confirm_msg1 += "_________________________________________________\n\n";
	confirm_msg1 += "The complete order will be deleted immediately.\n";
	confirm_msg1 += "Are you sure you wish to continue?\n";
	confirm_msg1 += "_________________________________________________\n";	
	if (confirm(confirm_msg1) == true) {
		frm.actionType.value = "CancelOrder"
		frm.OrderStatus.value = "Cancelled"
		// get the cookie
		sessionCartID = readCartCookie()  ;
		// reset the cookie to expire immediately
		expireCartCookie(sessionCartID) ;
	
		frm.submit();
	} else {
		return;
	}	
}
function readCartCookie() {
	cookieValue = getCookie("sessionCartID");
	return cookieValue ;
}
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));
       }

function setCartCookie(value) {
	formValue = value;
	var now = new Date();
	fixDate(now);
// 365 days in a year
// 24 hours in a day
// 60 minutes in an hour
// 60 seconds in a minute
// 1000 milliseconds in a second
	 now.setTime(now.getTime() + 60 * 60 * 1000);
// cookie expires in one hour;  60 mins * 60 secs * 1000 ticks
     setCookie("sessionCartID", formValue, now, "/");     
}

function expireCartCookie(value) {
	formValue = value;
	var now = new Date();
	fixDate(now);
// 365 days in a year
// 24 hours in a day
// 60 minutes in an hour
// 60 seconds in a minute
// 1000 milliseconds in a second
	 now.setTime(now.getTime() - 1 * 1 * 1000);
// cookie expires in one second;  1 mins * 1 secs * 1000 ticks
     setCookie("sessionCartID", formValue, now, "/");     
}

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;
       }

function fixDate(date) {
	var base = new Date(0);
	var skew = base.getTime();
	if (skew > 0) {
		date.setTime(date.getTime() - skew);
	}
}