function change(id) {
	if(id == 'report') {
		document.getElementById('report').style.display = '';
		document.getElementById('notice').style.display = 'none';
		document.getElementById('report_btn').style.display = '';
		document.getElementById('notice_btn').style.display = 'none';
	} else {
		document.getElementById('report').style.display = 'none';
		document.getElementById('notice').style.display = '';
		document.getElementById('report_btn').style.display = 'none';
		document.getElementById('notice_btn').style.display = '';
	}		
}

function eventClose(mode) {
	if(mode == 'popup') {
		if(navigator.userAgent.indexOf("MSIE 7") != -1) {
			window.open('about:blank','_self').close();
		} else {
			opener=self;
			self.close();
		}
	} else {
		document.getElementById('Event').style.display = 'none';
		document.getElementById('back_layer').style.display = 'none';
	}	
}

function event_setCookie( name, value, expiredays )
{
	var todayDate = new Date();
	todayDate.setDate( todayDate.getDate() + expiredays );
	document.cookie = name + "=" + escape( value ) + "; path=/; expires=" + todayDate.toGMTString() + ";"
}

function event_closeWin(mode)
{
	if (document.getElementById('chkEvent').checked)
		event_setCookie( "event", "done" , 1);
	if(mode == 'popup') {
		eventClose('popup');
	} else {
		eventClose();
	}
}

function PopupOpen() {
	window.open('event_popup.html','event_popup','location=no,directories=no,resizable=no,status=no,toolbar=no,menubar=no,width=731,height=515,scrollbars=no');
}

function PopupDemo() {
	window.open('/demo/index.html','demo_popup','location=no,directories=no,resizable=no,status=no,toolbar=no,menubar=no,width=860,height=770,scrollbars=no');
}