function go() {
      var phowpr = window.showModalDialog("About", "", "help:no; resizeable:yes; status:no")
      if(phowpr == "0" || phowpr == "1") {
        vbranch = document.all.big.checked ? 'big' : 'deleon';
        window.navigate('activate?hl=en&version='+vbranch+'&showpr=' + phowpr);      }
    }
////////////////////////////////////////////////////////////
window.name='lno';
function check_mkcu(ck,cu)
{
		var mk1    = ck.moi1.value;
		var mk2    = ck.moi2.value;
		var mkcu    = ck.mkcu.value;
	
		if ( (mk1=='')||(mk2=='')||(mkcu=='') )
		{
			alert("Nhap vao mat khau cu va 2 lan mat khau moi.");
			ck.mkcu.focus();
			return false;
		}
		if  (mk1!=mk2)
		{
			alert("Can nhap hai mat khau moi giong nhau!");
			ck.moi1.focus();
			return false;
		}		
		if  (mk1==cu)
		{
			alert("Can nhap mat khau moi khac mat khau cu!");
			ck.moi1.focus();
			return false;
		}		
}
function check_searchform(str)
	{
		if (str.value=='')
		{
			alert("Nhap vao noi dung tim kiem");
			str.focus;
			return false;
		}
		return true;
	}
	
function checkall(){
		for (var i = 0; i < document.memberlist.elements.length; i++) {
			if ( document.memberlist.all.checked==true ){
				document.memberlist.elements[i].checked = true;
			}
			else{
				document.memberlist.elements[i].checked = false;
			}
		}
	}

function check_form(the_form)
	{
		var tieude    = the_form.title.value;
		var noidung   = the_form.content_desc.value;
		var chitiet   = the_form.content_detail.value;
		var nhom      = the_form.nhom_id.value;
		var upload    = the_form.file1.value;

		if ( (tieude=='')||(noidung=='')||(chitiet=='') )
		{
			alert("Nhap day du thong tin bat buot");
			the_form.title.focus();
			return false;
		}
		if  (nhom=='')
			{
			alert("Ban chua nhap nhom tin");
			the_form.nhom_id.focus();
			return false;
			}
	if  (upload=='')
	the_form.checkup.value="khong";
	else the_form.checkup.value="co";
		return true;
		}

function mOvr(src) {
		if (!src.contains(event.fromElement)) {
			src.style.cursor = 'hand';
			src.style.backgroundColor = '#6699CC';
		}

	}
function mOut(src) {
		if (!src.contains(event.toElement)) {
			src.style.cursor = 'default';
			src.style.backgroundColor = '#003366';
		}
	}
function mClk(src) {
		if(event.srcElement.tagName=='TD'){
			src.children.tags('A')[0].click();
		}
	}


function check_loginform(the_login)
	{
		var the_email    = the_login.username.value;
		var the_password = the_login.password.value;
	
		if ( (the_email=='')||(the_password=='') )
		{
			alert("Nhap vao username va password");
			the_login.username.focus();
			return false;
		}
	}
function check_gopy(ck)
{
		var ten    = ck.name.value;
		var noidung = ck.nd.value;
	
		if ( (ten=='')||(noidung=='') )
		{
			alert("Nhap vao Ho ten va Noi dung");
			ck.name.focus();
			return false;
		}
}
function check_mk(ck)
{
		var mk1    = ck.moi1.value;
		var mk2    = ck.moi2.value;
	
		if ( (mk1=='')||(mk2=='') )
		{
			alert("Nhap vao mat khau moi hai lan");
			ck.moi1.focus();
			return false;
		}
		if  (mk1!=mk2)
		{
			alert("Can nhap hai mat khau moi giong nhau!");
			ck.moi1.focus();
			return false;
		}		
}
function check_nhom(ck)
{
		var ten   = ck.tennhom.value;
	
		if  (ten=='')
		{
			alert("Nhap vao ten nhom tin");
			ck.tennhom.focus();
			return false;
		}
}
function check_themquangcao(ck)
{
		var ten    = ck.ten.value;
		var file = ck.file1.value;
		var lienket = ck.link.value;

		if ( (ten=='')||(file=='')||(lienket=='') )
		{
			alert("Nhap day du thong tin co dau (*)");
			ck.ten.focus();
			return false;
		}
}
function check_themuser(ck)
{
		var ten    = ck.ten.value;
		var mk1    = ck.moi1.value;
		var mk2    = ck.moi2.value;
	
		if ( (ten=='')||(mk1=='')||(mk2=='') )
		{
			alert("Nhap day du thong tin co dau (*)");
			ck.ten.focus();
			return false;
		}
		if  (mk1!=mk2)
		{
			alert("Can nhap hai mat khau moi giong nhau!");
			ck.moi1.focus();
			return false;
		}		
}

function check_doitennhom(ck)
{
		var ten    = ck.tenmoi.value;
		
		if (ten=='')
		{
			alert("Can nhap ten moi !");
			ck.tenmoi.focus();
			return false;
		}
}