CURR_OBJ = '';
function parentplcheck(obj) {
	var _img = document.getElementById('imgcheck');
	_img.src = _img.src + '?';
    CURR_OBJ = obj;
    var pl = document.getElementById('ctl00_checkpl');
    var dads = pl.style;
    var th = obj;
    var ttop = obj.offsetTop;
    var thei = obj.clientHeight;
    var tleft = obj.offsetLeft;
    var ttyp = obj.type;
    while (obj = obj.offsetParent) { ttop += obj.offsetTop; tleft += obj.offsetLeft; }
    dads.top = ((ttyp == "image") ? ttop + thei : ttop + thei + 6) + 'px';
    dads.left = (tleft - 3) + 'px';
	$("#ctl00_checkpl").slideDown(200);
}

function checkdiv(evt) {    
	 $("#ctl00_checkpl").slideUp(200);
}

function checkLogin(){
	if($("#txtUser").val() == '' && $("#txtPassd").val() == '' && $("#txtCode").val() == ''){
		alert('登录信息不完整，请填写完整信息后重试！');
		return false;
	}
}