/**
Memory related functionality needs to be called before 
page render in order to affect page render.
**/

// set some base "constants"

var HCMEM = 'flow-hc-mem';
var TWMEM = 'flow-twitter-seen-mem';
var OVMEM = 'flow-overlay-clicked';
var HSMEM = 'flow-page-history';

/**
 *	Called at end of #main but before other JS
 */
function fireMem() {
	// handle HC memory 
	hcMem();	
}

function hcMem() {
	var bcClass = amplify.store.sessionStorage(HCMEM);
	if (bcClass != undefined) {
		// set background if valid
		var main = document.getElementById('main');
		main.className = 'bc'+bcClass;
	}
}