var splash_id = 0
function splash() {
	document.getElementById('splash_1').className = 'splash_hide';
	document.getElementById('splash_2').className = 'splash_hide';
	document.getElementById('splash_3').className = 'splash_hide';
	document.getElementById('splash_4').className = 'splash_hide';
	if(splash_id < 4){
		splash_id=splash_id+1;
		document.getElementById("splash_" + splash_id).className = 'splash_show';
	}else{
	splash_id = 1;
	document.getElementById("splash_" + splash_id).className = 'splash_show';
	}
	setTimeout('splash()',6000)
}