var _c = _h = 0;
$(function(){
    $('#play > a').click(function(){
        var i = $(this).attr('alt') - 1;
        clearinterval(_h);
        _c = i;
        play();
        change(i);        
    })
    $("#pic img").hover(function(){clearinterval(_h)}, function(){play()});
    play();
})
function play()
{
    _h = setinterval("auto()", 3000);
}
function change(i)
{
    $('#play > a').css('background-color','#e8fceb').eq(i).css('background-color','#c6ff5e').blur();
    $("#pic img").hide().eq(i).fadein('slow');
}
function auto()
{    
    _c = _c > 0 ? 0 : _c + 1;//_c = _c > 2 ? 0 : _c + 1;
    change(_c);
}
/*

var alertinput = "请输入:\n\n";		
*/
function login() {
/*
	var mesg = "";
	if(document.logon.username.value == "") mesg += "用户名\n";
	if(document.logon.password.value == "") mesg += "密码\n";
	if(mesg != ""){
		mesg = alertinput + mesg;
		alert(mesg);
		return false;
	}
*/
	return true;
}