function checkBrowser()
{
	var userAgent = navigator.userAgent.toLowerCase();

	// Figure out what browser is being used
	jQuery.browser = {
		version: (userAgent.match( /.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/ ) || [])[1],
		safari: /webkit/.test( userAgent ),
		opera: /opera/.test( userAgent ),
		msie: /msie/.test( userAgent ) && !/opera/.test( userAgent ),
		mozilla: /mozilla/.test(userAgent)&&!/(compatible|webkit)/.test(userAgent)
	};

	if(jQuery.browser.msie);
	{
		if(jQuery.browser.version == '6.0')
		{
			return false;
		}
	}

	return true;
}

function login()
{
	if(!checkBrowser())
	{
		$("#browserAlert").css("display","none");

		$("#browserAlert").animate({height: 'toggle', opacity: 'toggle'}, { duration: "slow" });

		return;
	}

	var username = $("#ID").val();

	var password = $("#Password").val();

	if(username=='')
	{
		$("#ID").focus();

		alert('请输入用户名!');

		$('#loginCover').css('display', 'none');

		return;
	}

	if(password=='')
	{
		$("#Password").focus();

		alert('请输入密码!');

		$('#loginCover').css('display', 'none');

		return;
	}
	
	var url = 'http://www.ilingxi.com/community/checkLogin.php?ID='+username+'&Password='+password;
	
	$.ajax({
	
		type: 'GET',
		
		url: url,
		
		timeout:10000,
		
		beforeSend: function(XMLHttpRequest){
		
			//
			
		},
		success: function(data, textStatus){

			alert(data);
			
			if(data=='OK')
			{
				$("#login_box_form").submit();
			}
			else
			{

				$('#loginCover').css('display', 'none');

				alert("您输入的用户名或者密码不正确!");

			}
			
		},
		error: function(){
		
			alert(1);

			alert('服务器繁忙,请稍后再试!');

			$('#loginCover').css('display', 'none');
			
		}
	});
}