// Cache images
var backColor = new Image(); backColor.src = "images/DoorHangerbackcolor.jpg";
var backBlack = new Image(); backBlack.src = "images/DoorHangerbackblack.jpg";
var backNone  = new Image(); backNone.src  = "images/DoorHangerbackblank.jpg";
var inkColorsArray = new Array( backColor.src, backBlack.src, backNone.src );

// Global settings of radio buttons
var gProduct= 30;	// product type index, same as ProductTypeInt.value
var gPaper  = 0;	// paper quality index (0 -- standard)
var gFold   = 0;	// folding index (0 -- nofold)
var gInk    = 1;	// back page ink index (0 -- 4color, 2 -- blank)
var gAqua   = 0;	// aqueous index (0 -- no coating, 2 -- coated)
var gHandle = 0;	// rush handling (0 -- normal shipping)
var gShipType = 0;	// Shipping (0 -- UPS Ground)
var gMarkup = 1;	// Markup (0 -- 30)

// Pricing arrays
var minimumQuantityArray   = new Array();
var minimumPriceArray      = new Array();
var multiplyEachArray      = new Array();
var multiplyEachArray5000  = new Array();
var multiplyEachArray10000 = new Array();
var multiplyEachArray20000 = new Array();
var aqueousPriceArray      = new Array();
var aqueousEachArray       = new Array();
var shipArray              = new Array();
var shipTypeArray          = new Array();
var handleArray            = new Array();
var shipPaperArray         = new Array();
var paperTypeArray         = new Array();