var isIE = (navigator.userAgent.indexOf('MSIE') != -1);

function AboutVietAd()
{
	alert("mailto:" + "contact" + "@" + "vietad.vn");
}

function onBodyLoad() 
{
	//showDialog("http://www.tienphongonline.com.vn/Advertisement/demsoisong.gif", 520, 650);
	
 	
 	//if (location.search=='') showWindow('/Advertisement/thongbao.htm', false, false, false, false, false, false, true, false, 215, 202, 50, 575);
 	
 	setTimeout("ReloadPage()", 600000);
 }


function ReloadPage()
{
	setTimeout("ReloadPage()", 600000);
	if((GetPostVariable("ArticleID", "-1")!="-1")||(GetPostVariable("ContactID", "-1")!="-1"))
	{
		return;
	}
	else
	{
		location.reload();
	}
}


function utf8(wide) {
  var c, s;
  var enc = "";
  var i = 0;
  while(i<wide.length) {
    c= wide.charCodeAt(i++);
    // handle UTF-16 surrogates
    if (c>=0xDC00 && c<0xE000) continue;
    if (c>=0xD800 && c<0xDC00) {
      if (i>=wide.length) continue;
      s= wide.charCodeAt(i++);
      if (s<0xDC00 || c>=0xDE00) continue;
      c= ((c-0xD800)<<10)+(s-0xDC00)+0x10000;
    }
    // output value
    if (c<0x80) enc += String.fromCharCode(c);
    else if (c<0x800) enc += String.fromCharCode(0xC0+(c>>6),0x80+(c&0x3F));
    else if (c<0x10000) enc += String.fromCharCode(0xE0+(c>>12),0x80+(c>>6&0x3F),0x80+(c&0x3F));
    else enc += String.fromCharCode(0xF0+(c>>18),0x80+(c>>12&0x3F),0x80+(c>>6&0x3F),0x80+(c&0x3F));
  }
  return enc;
}

var hexchars = "0123456789ABCDEF";

function toHex(n) {
  return hexchars.charAt(n>>4)+hexchars.charAt(n & 0xF);
}

var okURIchars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_-";

function encodeURIComponentNew(s) {
  var s = utf8(s);
  var c;
  var enc = "";
  for (var i= 0; i<s.length; i++) {
    if (okURIchars.indexOf(s.charAt(i))==-1)
      enc += "%"+toHex(s.charCodeAt(i));
    else
      enc += s.charAt(i);
  }
  return enc;
}

function buildURL(fld)
{
	if (typeof encodeURIComponent == "function")
	{
		// Use JavaScript built-in function
		// IE 5.5+ and Netscape 6+ and Mozilla
		return encodeURIComponent(fld);
	}
	else 
	{
		// Need to mimic the JavaScript version
		// Netscape 4 and IE 4 and IE 5.0
		return encodeURIComponentNew(fld);
	}
}

function destroyURL(fld)
{
	if (typeof decodeURIComponent == "function")
	{
		// Use JavaScript built-in function
		// IE 5.5+ and Netscape 6+ and Mozilla
		return decodeURIComponent(fld).replace(/\+/g, " ");
	}
	else 
	{
		// Need to mimic the JavaScript version
		// Netscape 4 and IE 4 and IE 5.0
		return "";
	}
}

function moveCalendar(offset)
{
	var currentDate = new Date();

	var dateString = GetPostVariable('Date', '');
	if (dateString != '')
	{
		var dateElements = dateString.split('-');
		var t = dateElements[0];
		dateElements[0] = dateElements[1];
		dateElements[1] = t;
		currentDate = new Date(dateElements.join('-'));
		
	}
	currentDate = new Date(currentDate.setDate(currentDate.getDate() + offset));
	dateString = currentDate.getDate() + '-' + (currentDate.getMonth() + 1) + '-' + currentDate.getYear();
	
	location.search = 'ChannelID=' + GetPostVariable('ChannelID', 1) + '&Date=' + dateString;
}

function showImage(url)
{
	showDialog('ImageView.htm?' + url.substr(url.indexOf('?') + 1), 574, 524);
}

function showDialog(url, width, height)
{
	return showWindow(url, false, false, false, false, false, false, true, true, width, height, 0, 0);
}

function showWindow(url, isStatus, isResizeable, isScrollbars, isToolbar, isLocation, isFullscreen, isTitlebar, isCentered, width, height, top, left)
{
	if (isCentered)
	{
		top = (screen.height - height) / 2;
		left = (screen.width - width) / 2;
	}

	open(url, '_blank', 'status=' + (isStatus ? 'yes' : 'no') + ','
	+ 'resizable=' + (isResizeable ? 'yes' : 'no') + ','
	+ 'scrollbars=' + (isScrollbars ? 'yes' : 'no') + ','
	+ 'toolbar=' + (isToolbar ? 'yes' : 'no') + ','
	+ 'location=' + (isLocation ? 'yes' : 'no') + ','
	+ 'fullscreen=' + (isFullscreen ? 'yes' : 'no') + ','
	+ 'titlebar=' + (isTitlebar ? 'yes' : 'no') + ','
	+ 'height=' + height + ',' + 'width=' + width + ','
	+ 'top=' + top + ',' + 'left=' + left);
}

function writeTime(s)
{
	var mydate=new Date(s)
	
	var year = mydate.getYear()
	if (year < 1000)
		year += 1900
	var month = mydate.getMonth() + 1
	if (month < 10)
		month = "0" + month
	var day = mydate.getDate()
	if (day < 10)
		day = "0" + day

	var dayw = mydate.getDay()
	
	var hour = mydate.getHours()
	if (hour < 10)
		hour = "0" + hour
	
	var minute=mydate.getMinutes()
	if (minute < 10)
		minute = "0" + minute
	var dayarray=new Array("Ch&#7911; Nh&#7853;t","Th&#7913; Hai","Th&#7913; Ba","Th&#7913; T&#432;","Th&#7913; N&#259;m","Th&#7913; S&#225;u","Th&#7913; B&#7843;y")
	document.write(dayarray[dayw]+", "+day+"/"+month+"/"+year+",&nbsp;"+hour+":"+minute+"")
}

function getTimeString(s)
{
	document.write("<span class=LargeTime2>");
	writeTime(s);
	document.write("</span>")
}

function Trim(s)
{
var i = 0;
while ((i < s.length) && (s.charCodeAt(i) == 32))
	i++;

var j = s.length - 1;
while ((j > i) && (s.charCodeAt(j) == 32))
	j--;

return s.substr(i, j - i + 1);
}

function GetPostVariable(param, defval)
{
	var	s = '&' + location.search.substr(1);
	var	i = s.indexOf('&' + param + '=');
	if (i == -1) return defval;

	s = s.substr(i + param.length + 2);
	i = s.indexOf('&');
	if (i == -1) return s;

	return s.substr(0, i);
}

function DisplaySearchPage(PageCount)
{
document.write('Trang ');
j = GetPostVariable('SearchPage', 1);
for (i = 1; i <= PageCount; i++)
	if (i != j)
		document.write('<a class="SearchPage" href=index.aspx?SearchQuery=' + GetPostVariable('SearchQuery', 'Error') + '&SearchPage=' + i + '>' + i + '&nbsp;</a>');
	else
		document.write('[' + i + ']&nbsp;');
i = parseInt(j) + 1;
if (j < PageCount)
	document.write('&nbsp;<a class="SearchPage" href=index.aspx?SearchQuery=' + GetPostVariable('SearchQuery', 'Error') + '&SearchPage=' + i + '>Xem ti&#7871;p&nbsp;</a>');
}

function onLinkClick(link)
{
if (isIE)	//Mozilla and FireFox don't support non-standard attribute
{	
	window.open(link.href, '', 
	'toolbar='+link.toolbar+
	',location='+link.location+
	',status='+link.statusbar+
	',menubar='+link.menubar+
	',scrollbars='+link.scrollbars+
	',resizable='+link.resizable+
	',width='+link.width+
	',height='+link.height+
	',top='+link.top+
	',left='+link.left);
	return false;
}
}

function displayInfo(info)
{
	if (info == 'weather')
		showDialog('http://222.255.31.205/transweb/thoitiet.htm', 600, 450);
	if (info == 'forex')
		showDialog('http://222.255.31.205/transweb/tygia.htm', 550, 450);
	if (info == 'gold')
		showDialog('http://222.255.31.205/transweb/giavang.htm', 450, 195);
	if (info == 'tvguide')
		showWindow('http://222.255.31.205/transweb/truyenhinh.htm', false, false, true, false, false, false, true, true, 450, 350, 0, 0);
	if (info == 'stock')
		showWindow('http://222.255.31.205/transweb/chungkhoan.htm', false, false, true, false, false, false, true, true, 1000, 700, 0, 0);
}

function setHomePage(ctrl)
{
	ctrl.style.behavior='url(#default#homepage)';
	ctrl.setHomePage(location.host);
}

function switchDisplay(id)
{
	ctrl = document.all.item(id);
	if(ctrl){ // Hieuvm: try-catch Exceptions
		if (ctrl.style.display == "")
			ctrl.style.display = "none";
		else
			ctrl.style.display = "";
	}
}

function switchVisible(ctrl)
{
	if(ctrl){ // Hieuvm: try-catch Exceptions
		if (ctrl.style.display == "")
			ctrl.style.display = "none";
		else
			ctrl.style.display = "";
	}
}

function onCmdSearchClick()
{
	var q = Trim(document.SearchSubmit.SearchQuery.value);
	
	if (q == '')
		return false;
		
	if ((q.indexOf('AND') == -1) && (q.indexOf('OR') == -1) && (q.indexOf('"') == -1))
		q = '"' + q + '"';
	
	document.SearchSubmit.SearchQuery.value = q;
	
	return true;
}