var fBrw=(navigator.userAgent.indexOf('MSIE')!= -1 && navigator.userAgent.indexOf('Windows')!= -1);
var fDSp=(typeof(document.getElementById)!='undefined');
var RefBanner = new Array();
var RefAdLogo = new Array();
var RefAdLBox = new Array();
var RefAdLBar = new Array();
var RefColumn = new Array();
var RefAdLeft = new Array();
var RefURight = new Array();
var RefUColum = new Array();
var RefDRight = new Array();
var RefDiLeft = new Array();
var RefFlLeft = new Array();

var RefAdStay = 0;
var SkpFolder = true;
var CurBanner = 0;
var CurFooter = 0;
var LastChild = 0;
var BannerLnk = 0;
var FooterLnk = 0;
var LComplete = 0;

var StAdRight = new Array();
var EnAdRight = new Array();
var CurARight = new Array();
var ARightLnk = new Array();

var CurAdLeft = new Array();
var EndAdLeft = new Array();
var StaAdLeft = new Array();
var AdLeftLnk = new Array();

var strDomain = 'nethoa.net'
var sLocation = location.href;

var pos = sLocation.indexOf("nethoa.net")
//if (pos < 1) location.href='http://vnexpress.net';
if (typeof(PageHost) == 'undefined') var PageHost = '';
/*----------------
 Chuyen bang ma U39 -> U42
-------------------*/
//-- keyword encode


function ShowDivLogoLeft()
{
	if (RefDiLeft.length==0) return;
	
	document.writeln('<table cellspacing=0 cellpadding=0 border=0>');
	for (i=0; i < RefDiLeft.length; i++)
	{
		if (RefDiLeft[i][1]=='')
		{
			//document.writeln('<tr><td><img name="LeftDivLogo', RefDiLeft[i][5],'" src="', PageHost.concat(RefDiLeft[i][0]), '" width=100 border=0></td></tr>');							
			document.writeln('<tr><td><img name="LeftDivLogo', RefDiLeft[i][5],'" src="', PageHost.concat(RefDiLeft[i][0]), '" border=0></td></tr>');							
		}
		else
		{
			//document.writeln('<tr><td><a href="', RefDiLeft[i][1], '" onClick="return openMeExt(this, ', RefDiLeft[i][2], ', 1)"><img name="LeftDivLogo', RefDiLeft[i][5],'" src="', PageHost.concat(RefDiLeft[i][0]), '" width=100 border=0></a></td></tr>');								
			document.writeln('<tr><td><a href="', RefDiLeft[i][1], '" onClick="return openMeExt(this, ', RefDiLeft[i][2], ', 1)"><img name="LeftDivLogo', RefDiLeft[i][5],'" src="', PageHost.concat(RefDiLeft[i][0]), '" border=0></a></td></tr>');								
		}
		document.writeln('<tr><td height=2></td></tr>');							
	}	
	document.writeln('</table>');	
}

function ShowDivLogoRight()
{
	if (RefDRight.length==0) return;
	
	document.writeln('<table cellspacing=0 cellpadding=0 border=0>');
	for (i=0; i < RefDRight.length; i++)
	{
		if( RefDRight[i][1]=='')
		{
			document.writeln('<tr><td><img name="RightDivLogo', RefDRight[i][5],'" src="', PageHost.concat(RefDRight[i][0]), '"  border=0></td></tr>');							
		}
		else
		{
			document.writeln('<tr><td><a href="', RefDRight[i][1], '" onClick="return openMeExt(this, ', RefDRight[i][2], ', 1)"><img name="RightDivLogo', RefDRight[i][5],'" src="', PageHost.concat(RefDRight[i][0]), '"border=0></a></td></tr>');									
		}
		document.writeln('<tr><td height=2></td></tr>');							
	}	
	document.writeln('</table>');	
}

function ShowDivLogoLeftFloat()
{
	if (RefFlLeft.length==0) return;
	
	document.writeln('<table cellspacing=0 cellpadding=0 border=0>');
	for (i=0; i < RefFlLeft.length; i++)
	{
		if( RefFlLeft[i][1]=='')
		{
			document.writeln('<tr><td><img name="LeftFloatDivLogo', RefFlLeft[i][5],'" src="', PageHost.concat(RefFlLeft[i][0]), '" border=0></td></tr>');							
		}
		else
		{
			document.writeln('<tr><td><a href="', RefFlLeft[i][1], '" onClick="return openMeExt(this, ', RefFlLeft[i][2], ', 1)"><img name="LeftFloatDivLogo', RefFlLeft[i][5],'" src="', PageHost.concat(RefFlLeft[i][0]), '" border=0></a></td></tr>');									
		}
		document.writeln('<tr><td height=2></td></tr>');							
	}	
	document.writeln('</table>');	
}


function openMeExt(vLink, vStatus, vResizeable, vScrollbars, vToolbar, vLocation, vFullscreen, vTitlebar, vCentered, vHeight, vWidth, vTop, vLeft, vID, vCounter)
{
	var sLink = (typeof(vLink.href) == 'undefined') ? vLink : vLink.href;

	winDef = '';
	winDef = winDef.concat('status=').concat((vStatus) ? 'yes' : 'no').concat(',');
	winDef = winDef.concat('resizable=').concat((vResizeable) ? 'yes' : 'no').concat(',');
	winDef = winDef.concat('scrollbars=').concat((vScrollbars) ? 'yes' : 'no').concat(',');
	winDef = winDef.concat('toolbar=').concat((vToolbar) ? 'yes' : 'no').concat(',');
	winDef = winDef.concat('location=').concat((vLocation) ? 'yes' : 'no').concat(',');
	winDef = winDef.concat('fullscreen=').concat((vFullscreen) ? 'no' : 'yes').concat(',');
	winDef = winDef.concat('titlebar=').concat((vTitlebar) ? 'yes' : 'no').concat(',');
	winDef = winDef.concat('height=').concat(vHeight-140).concat(',');
	winDef = winDef.concat('width=').concat(vWidth).concat(',');

	if (vCentered)
	{
		winDef = winDef.concat('top=').concat((screen.height - vHeight)/2).concat(',');
		winDef = winDef.concat('left=').concat((screen.width - vWidth)/2);
	}
	else
	{
		winDef = winDef.concat('top=').concat(vTop).concat(',');
		winDef = winDef.concat('left=').concat(vLeft);
	}

	if (typeof(vCounter) == 'undefined')
	{
		vCounter = 0;
	}

	if (typeof(vID) == 'undefined')
	{
		vID = 0;
	}
	
	open(sLink, '_blank', winDef);

	if (typeof(vLink.href) != 'undefined')
	{
		return false;
	}
}

function isEmail(email)
{
	chars="/;.,!#$%^&+";
	if(email=="")
		{
		 return false;
		}		  
	for(var i=0;i<chars.length;++i)
		{
		 bchar=chars.charAt();
		 if (email.indexOf(bchar,0)>-1)
		  {
		   return false;
		  }
		}
		atPos=email.indexOf("@",1)
		if (atPos==-1)
		{
		 return false;
		}	
		if (email.indexOf("@",atPos+1)!=-1)
		{
		 return false;
		}
		prePos=email.indexOf(".",atPos)
		if (prePos==-1)
		{
		  return false;
		}
		if (atPos+2>prePos)
		{
		 return false;
		}
		if (atPos+3>email.length)
		{
		 return false;
		}
		return true;
}	  

//chuyen ma va tim kiem
function doHighlight(bodyText, searchTerm) 
{
	highlightStartTag = "<font class='nsHighlight'>";
	highlightEndTag = "</font>";
  
  var newText = "";
  var i = -1;
  var lcSearchTerm = searchTerm.toLowerCase();
  var lcBodyText = bodyText.toLowerCase();
    
  while (bodyText.length > 0) {
    i = lcBodyText.indexOf(lcSearchTerm, i+1);
    if (i < 0) {
      newText += bodyText;
      bodyText = "";
    } else {
      if (bodyText.lastIndexOf(">", i) >= bodyText.lastIndexOf("<", i)) {
        if (lcBodyText.lastIndexOf("/script>", i) >= lcBodyText.lastIndexOf("<script", i)) {
          newText += bodyText.substring(0, i) + highlightStartTag + bodyText.substr(i, searchTerm.length) + highlightEndTag;
          bodyText = bodyText.substr(i + searchTerm.length);
          lcBodyText = bodyText.toLowerCase();
          i = -1;
        }
      }
    }
  }
  
  return newText;
}


function highlightSearchTerms(searchText, treatAsPhrase,id)
{
	for (var i=0;i<searchText.length;i++){
		if ((searchText.charAt(i)+searchText.charAt(i+1)).toUpperCase()=='OR'){
			treatAsPhrase = false;
		}
		if ((searchText.charAt(i)+searchText.charAt(i+1)+searchText.charAt(i+2)).toUpperCase()=='AND'){
			treatAsPhrase = false;
		}
	}
  if (treatAsPhrase) {
    searchArray = [searchText];
  } else {
    searchArray = searchText.split(" ");
  }
  
  var bodyText = document.getElementById(id).innerHTML;
  for (var i = 0; i < searchArray.length; i++) {
	if (searchArray[i].toUpperCase() !='OR' && searchArray[i].toUpperCase()!='AND'){
		if (searchArray[i].charAt(0)=='"'){
			searchArray[i]=searchArray[i].substring(1,searchArray[i].length)
		}
		if (searchArray[i].charAt(searchArray[i].length-1)=='"'){
			searchArray[i]=searchArray[i].substring(0,searchArray[i].length-1)
		}
		bodyText = doHighlight(bodyText, searchArray[i]);
	}
  }
  document.getElementById(id).innerHTML = bodyText;
  return true;
}

function UnicodeSet(iStr)
{
	for (i=0, oStr=''; i < iStr.length; i++)
	{
		switch ((j=iStr.charCodeAt(i)))
		{
		default:
			if (j < 32 || j > 127)
			{
				oStr=oStr.concat('&#').concat(j).concat(';');
			}
			else
			{
				oStr=oStr.concat(iStr.charAt(i)); 
			}
			break;
		}
	}
	
	return oStr;
}



function UnicodeGet(iStr)
{
	for (i=0, oStr=''; i < iStr.length; )
	{
				p=iStr.indexOf(';', i  + 2);
				if (p!=-1)
				{
					if (p - i <= 7)
					{
						if (isFinite(iStr.substr(i + 2, p - i - 2)))
						{
							oStr = oStr.concat(String.fromCharCode(iStr.substr(i + 2, p - i - 2)));
							i = p + 1;
							continue;
						}
					}
				}
	
		oStr=oStr.concat(iStr.charAt(i));
		i++;
	}
	
	return oStr;
}

function searchPrompt(defaultText, treatAsPhrase,id)
{ 
	if (defaultText=='') return;
  return highlightSearchTerms(UnicodeGet(defaultText), treatAsPhrase,id);
}