/* -------------------------------------------
 * @constructor
------------------------------------------- */
var u = new EPOS_CARD.Util(); // u インスタンスを作成

/* -------------------------------------------
 * @init
------------------------------------------- */
j$(function(){
	j$(window).on('load', function (){
		j$.buttonLink();
	});
});
/* -------------------------------------------
 * @plugin
------------------------------------------- */
(function(j$){
	
	var u = new EPOS_CARD.Util(); // u インスタンスを作成
	
	/* 
	 * @method floating
	 */
	j$.buttonLink = function (){
		
		var u = new EPOS_CARD.Util();
		var $elm = j$('.js-linkChange');
		
		if($elm.length === 0){ return false; }
		
		// setting
		function getParam(name, url) {
			if (!url) url = window.location.href;
			name = name.replace(/[\[\]]/g, "\\$&");
			var regex = new RegExp("[?&]" + name + "(=([^&#]*)|&|#|$)"),
					results = regex.exec(url);
			if (!results) return null;
			if (!results[2]) return '';
			return decodeURIComponent(results[2].replace(/\+/g, " "));
		}
		var href = $elm.attr('href').split('?'),
				query = '';
		
		switch (getParam('from')) {
			case 'jq_hkt':
				query = '?t=jq_hkt';
				break;
			case 'jq_kgs':
				query = '?t=jq_kgs';
				break;
			case 'jq_kkr':
				query = '?t=jq_kkr';
				break;
			case 'jq_kmt':
				query = '?t=jq_kmt';
				break;
			case 'jq_myz':
				query = '?t=jq_myz';
				break;
			case 'jq_ngs':
				query = '?t=jq_ngs';
				break;
			case 'jq_oit':
				query = '?t=jq_oit';
				break;
			default:
				query = '?'+href[1];
				break;
		}
		var newHref = href[0]+query;
		$elm.attr('href', newHref);

	}
})(jQuery);