// JS file for PayPerView, aka eCommerce
/* Sets a returnValue of and closes the current window */
function closeWindow(returnValue) {
	if (returnValue) {
		window.returnValue = returnValue;
	}
	else if (gTx) {
		window.returnValue = gTx;
	}
	else {
		window.returnValue = 'error';
	}
	window.close();
}
/* Opens a modal dialog box,
* and grays out the parent window.
* */
function openModal(hostedButtonId, ppvTxId, acTitle, acId) {
	grayOut(true);
	var retVal = window.showModalDialog('SpecialReportPayment.aspx?cmd=_s-xclick&hosted_button_id=' + hostedButtonId + '&custom=' + ppvTxId + '&item_name=\'' + acTitle + '\'&item_number=' + acId, 'windowModalTest', getDialogFeatures(800, 800, false));
	grayOut(false);
	if (retVal) {
		if (retVal != 'cancel') {
			window.location = '/SpecialReport/SpecialReportDisplay.aspx?cm=' + ppvTxId + '&tx=' + retVal;
		}
	}
	return false;
}
/* Opens a modal dialog box containing the PayPal Website Payments Standard interface,
* and grays out the parent window.
* The retVal should be set via the Cancel/Complete redirection page provided by us via the closeWindow() method or some derivative of it.
* */
function openPayPalModal(hostedButtonId, ppvTxId, acTitle, acId) {
	grayOut(true);
	var retVal = window.showModalDialog('https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=' + hostedButtonId + '&custom=' + ppvTxId + '&item_name=\'' + acTitle + '\'&item_number=' + acId, 'PayPal', getDialogFeatures(800, 800, false));
	grayOut(false);
	if (retVal) {
		if (retVal != 'cancel') {
			window.location = '/SpecialReport/SpecialReportDisplay.aspx?cm=' + ppvTxId + '&tx=' + retVal;
		}
		window.location = '/SpecialReport/SpecialReportDisplay.aspx?cm=' + ppvTxId + '&tx=' + retVal;
	}
	return false;
}

/* Opens a modal dialog box containing the PayPal Sandbox Website Payments Standard interface,
* and grays out the parent window.
* The retVal should be set via the Cancel/Complete redirection page provided by us via the closeWindow() method or some derivative of it.
* */
function openSandboxModal(hostedButtonId, ppvTxId, acTitle, acId) {
	grayOut(true);
	var retVal = window.showModalDialog('https://www.sandbox.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=' + hostedButtonId + '&amount=101&custom=' + ppvTxId + '&item_name=\'' + acTitle + '\'&item_number=' + acId, 'PayPal', getDialogFeatures(800, 800, false));
	grayOut(false);
	if (retVal) {
		if (retVal != 'cancel') {
			window.location = '/SpecialReport/SpecialReportDisplay.aspx?cm=' + ppvTxId + '&tx=' + retVal;
		}
		window.location = '/SpecialReport/SpecialReportDisplay.aspx?cm=' + ppvTxId + '&tx=' + retVal;
	}
	return false;
}

/* Takes in a width as int, height as int and boolean indicating
* the width of the dialog box,
* the height of the dialog box,
* and whether the dialog box is resizable.
* */
function getDialogFeatures(dialogWidth, dialogHeight, resizable) {
	return "dialogWidth: " + dialogWidth + "px;" +
                "dialogHeight: " + dialogHeight + "px;" +
                "status: yes;unadorned: yes;scroll: no;help: no;" + (resizable ? "resizable: yes;" : "");

}

/* Function takes a boolean and an options array.
* Boolean controls the gray-out div.
* Options array overrides preset grayout variables.
* */
function grayOut(vis, options) {
	// Pass true to gray out screen, false to ungray
	// options are optional.  This is a JSON object with the following (optional) properties
	// opacity:0-100         // Lower number = less grayout higher = more of a blackout 
	// zindex: #             // HTML elements with a higher zindex appear on top of the gray out
	// bgcolor: (#xxxxxx)    // Standard RGB Hex color code
	// grayOut(true, {'zindex':'50', 'bgcolor':'#0000FF', 'opacity':'70'});
	// Because options is JSON opacity/zindex/bgcolor are all optional and can appear
	// in any order.  Pass only the properties you need to set.
	var options = options || {};
	var zindex = options.zindex || 65536;
	var opacity = options.opacity || 50;
	var opaque = (opacity / 100);
	var bgcolor = options.bgcolor || '#000000';
	var dark = document.getElementById('darkenScreenObject');
	if (!dark) {
		// The dark layer doesn't exist, it's never been created.  So we'll
		// create it here and apply some basic styles.
		// If you are getting errors in IE see: http://support.microsoft.com/default.aspx/kb/927917
		var tbody = document.getElementsByTagName("body")[0];
		var tnode = document.createElement('div');           // Create the layer.
		tnode.style.position = 'absolute';                 // Position absolutely
		tnode.style.top = '0px';                           // In the top
		tnode.style.left = '0px';                          // Left corner of the page
		tnode.style.overflow = 'hidden';                   // Try to avoid making scroll bars            
		tnode.style.display = 'none';                      // Start out Hidden
		tnode.id = 'darkenScreenObject';                   // Name it so we can find it later
		tbody.appendChild(tnode);                            // Add it to the web page
		dark = document.getElementById('darkenScreenObject');  // Get the object.
	}
	if (vis) {
		// Calculate the page width and height 
		if (document.body && (document.body.scrollWidth || document.body.scrollHeight)) {
			var pageWidth = document.body.scrollWidth + 'px';
			var pageHeight = document.body.scrollHeight + 'px';
		} else if (document.body.offsetWidth) {
			var pageWidth = document.body.offsetWidth + 'px';
			var pageHeight = document.body.offsetHeight + 'px';
		} else {
			var pageWidth = '100%';
			var pageHeight = '100%';
		}
		//set the shader to cover the entire page and make it visible.
		dark.style.opacity = opaque;
		dark.style.MozOpacity = opaque;
		dark.style.filter = 'alpha(opacity=' + opacity + ')';
		dark.style.zIndex = zindex;
		dark.style.backgroundColor = bgcolor;
		dark.style.width = pageWidth;
		dark.style.height = (isBrowserIE() ? pageHeight : '100%');
		dark.style.display = 'block';
	} else {
		dark.style.display = 'none';
	}
}
/* Returns a boolean indicating whether the browser is IE-based or not.
* */
function isBrowserIE() {
	// Get TargetId depending on browser type
	return navigator.appName.match("Internet Explorer");
}
/* Returns a control by a given Id.
* */
function getObjById(id) {
	if (document.getElementById)
		var returnVar = document.getElementById(id);
	else if (document.all)
		var returnVar = document.all[id];
	else if (document.layers)
		var returnVar = document.layers[id];

	return returnVar;
}
/* Returns a control by a given Name.
* */
function getObjByName(name) {
	var objFullName = 'document.aspnetForm.' + name;
	var obj = eval(objFullName);
	return obj;
}