function urldecode(str) {
    // Decodes URL-encoded string  
    // 
    // version: 908.1617
    // discuss at: http://phpjs.org/functions/urldecode
    // +   original by: Philip Peterson
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +      input by: AJ
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: Brett Zamir (http://brett-zamir.me)
    // +      input by: travc
    // +      input by: Brett Zamir (http://brett-zamir.me)
    // +   bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: Lars Fischer
    // +      input by: Ratheous
    // +   improved by: Orlando
    // %        note 1: info on what encoding functions to use from: http://xkr.us/articles/javascript/encode-compare/
    // *     example 1: urldecode('Kevin+van+Zonneveld%21');
    // *     returns 1: 'Kevin van Zonneveld!'
    // *     example 2: urldecode('http%3A%2F%2Fkevin.vanzonneveld.net%2F');
    // *     returns 2: 'http://kevin.vanzonneveld.net/'
    // *     example 3: urldecode('http%3A%2F%2Fwww.google.nl%2Fsearch%3Fq%3Dphp.js%26ie%3Dutf-8%26oe%3Dutf-8%26aq%3Dt%26rls%3Dcom.ubuntu%3Aen-US%3Aunofficial%26client%3Dfirefox-a');
    // *     returns 3: 'http://www.google.nl/search?q=php.js&ie=utf-8&oe=utf-8&aq=t&rls=com.ubuntu:en-US:unofficial&client=firefox-a'
    
    var hash_map = {}, ret = str.toString(), unicodeStr='', hexEscStr='';
    
    var replacer = function (search, replace, str) {
        var tmp_arr = [];
        tmp_arr = str.split(search);
        return tmp_arr.join(replace);
    };
    
    // The hash_map is identical to the one in urlencode.
    hash_map["'"]   = '%27';
    hash_map['(']   = '%28';
    hash_map[')']   = '%29';
    hash_map['*']   = '%2A';
    hash_map['~']   = '%7E';
    hash_map['!']   = '%21';
    hash_map['%20'] = '+';
    hash_map['\u00DC'] = '%DC';
    hash_map['\u00FC'] = '%FC';
    hash_map['\u00C4'] = '%D4';
    hash_map['\u00E4'] = '%E4';
    hash_map['\u00D6'] = '%D6';
    hash_map['\u00F6'] = '%F6';
    hash_map['\u00DF'] = '%DF';
    hash_map['\u20AC'] = '%80';
    hash_map['\u0081'] = '%81';
    hash_map['\u201A'] = '%82';
    hash_map['\u0192'] = '%83';
    hash_map['\u201E'] = '%84';
    hash_map['\u2026'] = '%85';
    hash_map['\u2020'] = '%86';
    hash_map['\u2021'] = '%87';
    hash_map['\u02C6'] = '%88';
    hash_map['\u2030'] = '%89';
    hash_map['\u0160'] = '%8A';
    hash_map['\u2039'] = '%8B';
    hash_map['\u0152'] = '%8C';
    hash_map['\u008D'] = '%8D';
    hash_map['\u017D'] = '%8E';
    hash_map['\u008F'] = '%8F';
    hash_map['\u0090'] = '%90';
    hash_map['\u2018'] = '%91';
    hash_map['\u2019'] = '%92';
    hash_map['\u201C'] = '%93';
    hash_map['\u201D'] = '%94';
    hash_map['\u2022'] = '%95';
    hash_map['\u2013'] = '%96';
    hash_map['\u2014'] = '%97';
    hash_map['\u02DC'] = '%98';
    hash_map['\u2122'] = '%99';
    hash_map['\u0161'] = '%9A';
    hash_map['\u203A'] = '%9B';
    hash_map['\u0153'] = '%9C';
    hash_map['\u009D'] = '%9D';
    hash_map['\u017E'] = '%9E';
    hash_map['\u0178'] = '%9F';
    hash_map['\u00C6'] = '%C3%86';
    hash_map['\u00D8'] = '%C3%98';
    hash_map['\u00C5'] = '%C3%85';

    for (unicodeStr in hash_map) {
        hexEscStr = hash_map[unicodeStr]; // Switch order when decoding
        ret = replacer(hexEscStr, unicodeStr, ret); // Custom replace. No regexing
    }
    
    // End with decodeURIComponent, which most resembles PHP's encoding functions
    ret = decodeURIComponent(ret);

    return ret;
}

// jQuery
var mribbons = {
	slots: $('#ybRibbons .ribbon'),
	isAvailable: function(el) {
		if ($(el).html()=='Choose a Ribbon') return true;
		return false;
	},
	firstSlot: function() {
		var ret = false;
		mribbons.slots.each(function(i) {
			if (mribbons.isAvailable(this)) {
				ret = this;
				return false; //break
			}
		});
		return ret;
	},
	toDeselected: function(el) {
		$(el).removeClass('selected');
	},
	toSelected: function(el) {
		$(el).addClass('selected');
		$('strong', el).html('Ribbon Selected!');
	},
	select: function(e) {
		// stop link from navigating
		e.preventDefault();

		// check to ensure ribbon not already selected
		if ($(this).hasClass('selected')) {
			// already selected
			// skip
			return false;
		}
		
		// find first available slot
		var slot = mribbons.firstSlot();
		if (slot==false) {
			// all selections chosen, warn user and finish
			alert('Sorry, you have already selected your three ribbons, please remove one if you wish to add a different one.');
			return false;
		} else {
			// slot = the first open selection slot
			// replace slot contents with selected image
			$(slot).html( $('img', this).clone() );
			
			// tag slot with id
			$(slot).attr('rel', $(this).attr('id'));
			
			// show remove link
			$('#'+$(slot).attr('id').replace('ribbon','remove')+' a').css('visibility', 'visible');
			
			// show ribbon as selected
			mribbons.toSelected(this);
			
			// tag link with ribbon description
			var repl = new RegExp('&' + $(slot).attr('id') + '=.*?&');
			$('#ybAddToCart').attr( 'href', $('#ybAddToCart').attr('href').replace(repl, '&' + $(slot).attr('id') + '=' + $(this).attr('href').substring(1) + '&') );
		}
	},
	deselect: function(ribbon) {
		$(ribbon).removeClass('selected');
		$('strong', ribbon).html('Select this Ribbon');
	},
	remove: function(e) {
		// stop link from navigating
		e.preventDefault();

		// strip from url

		// get slot
		var slot = '#' + $(this).parent().attr('id').replace('remove','ribbon');
		
		// deselect ribbon
		mribbons.deselect('#' + $(slot).attr('rel'));

		// reset slot
		$(slot).attr('rel', '');
		$(slot).html('Choose a Ribbon');
		var repl = new RegExp('&' + $(slot).attr('id') + '=.*?&');
		$('#ybAddToCart').attr( 'href', $('#ybAddToCart').attr('href').replace(repl, '&' + $(slot).attr('id') + '=No+Ribbon+Selected&') );

		// hide remove link
		$(this).css('visibility', 'hidden');
	},
	loader: function() {
		$('#ribbonChoices a').click(mribbons.select);
		$('#remove1 a,#remove2 a,#remove3 a').click(mribbons.remove);
	},
	submit: function() {
		// check to ensure three ribbons are selected
		if (mribbons.firstSlot()!=false) {
			// error, empty slot
			if (!confirm('It appears you have not selected all three ribbon packs.  Are you sure you want to add this tower to your cart?')) {
				//e.preventDefault();
				return false;
			}
		}
		return true;
	}
};
$(document).ready(mribbons.loader);

function fc_PreProcess() {
	// Pre-Add to Cart
	return mribbons.submit();
}