function showSearch()
{
	if(timkiem.style.visibility=="hidden")
		{
			frmDivSearch = eval("timkiem.style");
			frmDivSearch.left = calculateSumOffset(eval('tim'), 'offsetLeft')-255;
			frmDivSearch.top = 250;
			timkiem.style.visibility="visible";
		}
	else
		{
			timkiem.style.left=0;
			timkiem.style.top=0;
			timkiem.style.visibility="hidden";
		}
	//cal();
}
function calculateSumOffset(idItem, offsetName)
	{
		var totalOffset = 0;	//origin=0 move submenu to left
		var item = eval('idItem');
		do
			{
				totalOffset += eval('item.'+offsetName);
				item = eval('item.offsetParent');
			} while (item != null);
		return totalOffset-7;
}
function chkFrmRegMail(obj){
	if(obj.txtMailName.value=="")
	{
		alert("Bạn chưa nhập họ tên.");
		obj.txtMailName.focus();
		return false;
	}
	if(obj.txtMailAddress.value=="")
	{
		alert("Bạn chưa nhập địa chỉ email.");
		obj.txtMailAddress.focus();
		return false;
	}
	if (obj.txtMailAddress.value.indexOf('@',0)==-1 || obj.txtMailAddress.value.indexOf('.')==-1)
	{
		alert ("Địa chỉ email nhập sai quy cách.");
		obj.txtMailAddress.focus();
		return false;
	}
	return true;
}
function sconfirm(strMess,strURL){
	var yn;
	yn=window.confirm(strMess);
	if (yn==true){
		document.location.href=strURL;
		}
}
function askconf(strMess){
	var yn;
	yn=window.confirm(strMess);
	if (yn==true){
		return true;
		}
	return false;
}
function openWin(theURL,winName,features) {
  	window.open(theURL,winName,features);
}
function winopen(url){
	window.open(url);
}

function insertStr(strValue,anh){

	window.opener.document.form1[anh].value=strValue;
}

function popupImage(src, note, title, css, border) {
var ppimgNW;
  if (border==null) border = 0;
  if (note==null) note = '';
  if (ppimgNW != null) ppimgNW.close();

  ppimgNW = window.open('','POPUPIMAGE','width=1,height=1');
  var doc = ppimgNW.document;
  doc.write('<html>');
  doc.write('<head>');

  if (title!=null) doc.write('<title>'+ title +'</title>');
  doc.write('<style> body {'+css+'} #ppImgText{'+ css +'} #ppImg{cursor:hand}</style></head>');
  doc.write('<body oncontextmenu="return false" leftmargin="0" topmargin="' + border + '">');
  doc.write('<div align="center">');
  doc.write('<img src="' + src + '" id="ppImg" onclick="self.close();" title="Close">');
  doc.write('</div>');
  doc.write('<div style="height:1; width:'+ border +'; font-size:4pt">');
  doc.write('</div>');
  doc.write('<div id="ppImgText" align="center">');
  doc.write('<Font face=Tahoma size=2>'+note+'</Font>');
  doc.write('</div>');
  doc.write('</body>');
  doc.write('</html>');

  doc.write('<' + 'script>');
  doc.write('var resized = false;');
  doc.write('function doResize() {');
  doc.write('  var imgW = ppImg.width, imgH = ppImg.height;');     
  if (note=='' || note==null) {addH=35} else {addH=60};
  doc.write('  window.resizeTo(imgW + 8 +' + border*2 +', imgH + ppImgText.offsetHeight + '+addH+' + '+ border*2 +');');
  doc.write('  setTimeout("doResize()",1000);');

  doc.write('}');
  doc.write('doResize(); ');
  doc.write('</' + 'script>');
}
	function initializeDIV(){
		var divWaiting = document.getElementById('dvwaiting');
		divWaiting.style.display='none';
	}
					function showSearch()
					{
						if(timkiem.style.visibility=="hidden")
						{
							frmDivSearch = eval("timkiem.style");
							frmDivSearch.left = calculateSumOffset(eval('tim'), 'offsetLeft')-255;
							frmDivSearch.top = 117;
							timkiem.style.visibility="visible";
						}
						else
						{
							timkiem.style.left=0;
							timkiem.style.top=0;
							timkiem.style.visibility="hidden";
						}
						//cal();
					}
					function calculateSumOffset(idItem, offsetName)
					{
						var totalOffset = 0;	//origin=0 move submenu to left
						var item = eval('idItem');
						do
						{
							totalOffset += eval('item.'+offsetName);
							item = eval('item.offsetParent');
						} while (item != null);
						return totalOffset-7;
					}

