//==========================================
// Check All boxes
//==========================================
function CheckAll(frm)
{
	for (var i=0;i<frm.elements.length;i++)
	{
		var e = frm.elements[i];
		if ((e.name != 'allbox') && (e.name.substring(0,11) == 'tinraochung') && (e.type=='checkbox') && (!e.disabled))
		{
			e.checked = frm.allbox.checked;
		}
	}
}

//==========================================
// Check all or uncheck all?
//==========================================
function CheckCheckAll(frm)
{	
	var TotalBoxes = 0;
	var TotalOn = 0;
	for (var i=0;i<frm.elements.length;i++)
	{
		var e = frm.elements[i];
		if ((e.name != 'allbox') && (e.name.substring(0,11) == 'tinraochung') && (e.type=='checkbox'))
		{
			TotalBoxes++;
			if (e.checked)
			{
				TotalOn++;
			}
		}
	}
	
	if (TotalBoxes==TotalOn)
	{
		frm.allbox.checked=true;
	}
	else
	{
		frm.allbox.checked=false;
	}
}               

function SingleSelect(regex,current)
{
    re = new RegExp(regex);
    //alert(re.);
    for(i = 0; i < document.forms[0].elements.length; i++) {

        elm = document.forms[0].elements[i];

        if (elm.type == 'checkbox') {

            if (re.test(elm.name)) {

            elm.checked = false;
            }
        }
    }
    current.checked = true;
}

function CheckInput(tbl)
{
    var j = 0
    var tbl = document.getElementById(tbl);
    var elements = tbl.getElementsByTagName("INPUT");  
    for(i=0; i<elements.length;i++) 
    {
        if (elements[i].checked == true)
        {
            j++;
            break;
        }        
    }
    if (j == 0)
    {
        alert("Bạn chưa chọn tin cần xử lý!");
        return false;
    }
    else
    {
        return confirm('Bạn muốn xóa tin đang chọn?');
    }
}