function getParameter(parameterName){   
        var _queryString   = '';   
        var _parameter     = '';   
        var _pair          = '';   
        var _value         = '';   
        var _parameterName = '';   
  
        _queryString = window.location.search.substring(1);   
        _parameter   = _queryString.split("&");   
  
        if( _parameter.length == 0 || _parameter == null || _parameter == ''){   
           return;
        }else{   
            for(var i=0; i<_parameter.length; i++){   
                _pair          = _parameter[i].split('=');   
                _parameterName = _pair[0];   
                _value         = _pair[1];   
                if(_parameterName == parameterName){   
                    return _value;     
                }    
            }//end-for   
        }   
    }//end-getParameter   
 
	function searchLocation(cookieName) {
		var _address = 'https://associate.microad.jp/associate/newlogin';
		var _cookieValue = getCookieValue(cookieName);
		if(_cookieValue == '' || _cookieValue == 'undefined') {
			return _address;
		} else {
			return _address+'?ID='+_cookieValue;
		}
		
	}

	function setCookie(name, value) {
		var _expire = new Date();
		_expire.setDate(_expire.getDate() + 1);
		document.cookie = name+ "=" + escape(value) + "; path=/; _expires=" + _expire.toGMTString();
	}
	
	function getCookieValue(name) {
	
		var _cookieName = name + "=";
		var _cookie = document.cookie;
		
		if (_cookie.length > 0) {
			var _nBegin = _cookie.indexOf(_cookieName);
			if (_nBegin < 0){
				return;
			}
			
			_nBegin += _cookieName.length;
			var _nEnd = _cookie.indexOf(";", _nBegin);
			if (_nEnd == -1) {
				_nEnd = _cookie.length;
			}
		}
	
		return unescape(_cookie.substring(_nBegin, _nEnd));
	}
	
	function clearCookie(name){
	
		var _today = new Date();
	    _today.setDate(_today.getDate() - 1);
	    document.cookie = name + "=; path=/; expires=" + _today.toGMTString() + ";";
	
	}