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/*
	campaign pages: single point of failure, low dev depencency
	past dev dependencies: every flip compile + upload pages with RSI, upload images, upload crescendos, upload expiration date, when needed update templates
	future dev dependencies: when needed update Templates + RSIs
	future marketing dependencies: every flip upload images, upload crescendos, upload expiration date, update promo codes
	test url: http://www.rosettastone.com/lp/sbsr/testing/?c=watermelon&r=aii
*/

// IF CAMPGAIN AND RSI URL PARAMS EXIST
if(parameterExists('c') && parameterExists('r')){
	var campaign = getParameter('c');
	var pricepoint = getParameter('r');
	var rsiURL = "http://www.rosettastone.com/lp/globals/models/"+ campaign + pricepoint +".js";
	
	$.ajax({
		url: rsiURL,
	})
	// UPDATE RSI VIA SUCCESS
	.done(function(res){
	  // UPDATE URL
		history.replaceState({},"campaign title","/lp/sbsr/"+campaign+pricepoint);
	  // UPDATE MASTHEAD IMAGE
		document.getElementById('masthead').style.backgroundImage =  "url('http://www.rosettastone.com/lp/globals/img/mastheads/sbsr/"+ campaign +".jpg')";
		// UPDATE EXPIRATION DATE
		document.getElementById('expirationdate').innerHTML = RSI.expirationDate;
		// UPDATE CRESCENDO
		$.getJSON('../../globals/crescendos/' + RSI.crescendo, startCrescendo);
	})
	// KEEP SITEWIDE EXPERIENCE
	.fail(function(err){
		console.log('Error: ' + err.status);
	});
}






function parameterExists(param){
	var reg = new RegExp('[?&]'+param+'=','i');
	return !!window.location.search.match(reg);
}

function getParameter(param){
	var reg = new RegExp('[?&]'+param+'=([^&]+)','i');
	return parameterExists(param) ? window.location.search.match(reg)[1] : '';
}