// -----------------------------
// The subroutine to show product details
// -----------------------------

var winHandle;
function openDetailsWindow(product_id) {
	// Pop up new window containing php script comment viewer
	if (winHandle != undefined) {
		winHandle.close();
	}
	var moreinfo_url = "product-details.php?product_id="+product_id;
	winHandle = window.open(moreinfo_url, "pfxMoreInfoWindow",
		"dependent=yes,directories=no,menubar=no,personalbar=no,resizable=yes,screenX=200,screenY=200," +
		"scrollbars=yes,status=no,titlebar=yes,toolbar=no");
	winHandle.focus();
}


//
// jsFormatPrice
//
// Expects a numeric argument.  Returns a formatted representation.
//
function jsFormatPrice(price, showPlusForPositiveValue, showWhenZero) {
	if (price == 0) {
		if (!showWhenZero) { return ""; }
		else { price = "0"; }
	}

	var positive = 1;
	if (price < 0) {
		positive = 0;
		price = -price;
	}
	var rvStr = ""+price;
	var decimalPointIndex = rvStr.indexOf(".");
	//alert("rvStr='"+rvStr+"'; decimalPointIndex="+decimalPointIndex+", rvStr.length="+rvStr.length);
	if (decimalPointIndex == -1) {
		// Whole dollar amount - append ".00"
		rvStr += ".00";
	} else if (decimalPointIndex == rvStr.length - 2) {
		// Only one decimal place came through - append another 0
		rvStr += "0";
	} else if (decimalPointIndex < rvStr.length - 3) {
		// truncate decimal figures after 2 places
		rvStr = rvStr.substr(0, decimalPointIndex + 3);
	}
	rvStr = "$"+rvStr;
	if (!positive) {
		rvStr = "-"+rvStr;
	} else if (showPlusForPositiveValue) {
		rvStr = "+"+rvStr;
	}
	// Now pad out with spaces to enforce right alignment.
	//while (rvStr.length < 9) {
	//	rvStr = " "+rvStr;
	//}
	return rvStr;
}


// Show a JS popup window containing the requested page
var info_window;
function show_popup(pagename) {
	info_window = window.open(pagename, "pctorque_info_window", "dependent=yes,directories=no,width=450,height=550,location=no,menubar=no,personalbar=no,resizable=yes,screenx=100,screeny=100,scrollbars=auto,toolbar=no");
}


//function parse_price(pricestring) {
//	var rv = "";
//	//pricestring = pricestring.trim();
//	if (pricestring.length > 0 && pricestring.substr(0, 1) == "$") {
//		pricestring = pricestring.substr(pricestring, 1);
//	}
//	return parseFloat(pricestring);
//}


var cash_discount = 2.5;
function apply_cash_discount(amt) {
	var discount = amt * (cash_discount / 100.0);
	return Math.round( (amt - discount) * 100) / 100;

}