var fBrw=(navigator.userAgent.indexOf('MSIE')!= -1 && navigator.userAgent.indexOf('Windows')!= -1);

function ShowSearch()
{
	if ((s=GetPostVariable('s', ''))!='')
	{
		s = unescape(s);
	}

	s=UnicodeGet(s);
	
	document.writeln('<form name="Search" id="Search" onSubmit="return SearchMe(document.Search.txtSearch.value,1)">');
	//document.writeln('  <img class="fl" src="/Images/Background/vne-search.gif" alt="" />');
	document.writeln('  <input class="txtsearch fl" type="text" name="txtSearch" id="txtSearch" onblur="SearchOnBlur(this)" onkeyup="initTyper(this)" onfocus="SearchOnFocus(this)" value="Từ khóa tìm kiếm" />');	
	document.writeln('  <a href="javascript:SearchMe(document.Search.txtSearch.value,1)"><img class="img-search fl" src="images/btn-search.gif" alt="" /></a>');
	document.writeln('</form>');	
	
	if (s!='')
	{
		document.Search.txtSearch.value = s;
	}
}

function UnicodeGet(iStr)
{
	for (i=0, oStr=''; i < iStr.length; )
	{
		if (iStr.charCodeAt(i)==38)
		{
			if (iStr.charCodeAt(i + 1)==35)
			{
				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;
						}
					}
				}
			}
			else
			{
				p=iStr.indexOf(';', i  + 1);
				if (p!=-1)
				{
					switch (iStr.substr(i + 1, p - i - 1))
					{
					case 'amp':
						oStr = oStr.concat('&');
						i = p + 1;
						break;
					case 'quot':
						oStr = oStr.concat('"');
						i = p + 1;
						break;
					case 'lt':
						oStr = oStr.concat('<');
						i = p + 1;
						break;
					case 'gt':
						oStr = oStr.concat('>');
						i = p + 1;
						break;
					}
				}
			}
		}
	
	
		oStr=oStr.concat(iStr.charAt(i));
		i++;
	}
	
	return oStr;
}

function gmobj(o){
	if(document.getElementById){ m=document.getElementById(o); }
	else if(document.all){ m=document.all[o]; }
	else if(document.layers){ m=document[o]; }
	return m;
}

function GetPostVariable(vName, vDef)
{
	var	str=location.href;
	var	pos=str.indexOf('?'.concat(vName).concat('='));

	if (pos==-1)
	{
		pos=str.indexOf('&'.concat(vName).concat('='));
		if (pos==-1) return vDef;
	}
	
	str=str.substring(pos + vName.length + 2);
	pos=str.indexOf('&');

	if (pos==-1)
	{
		pos=str.length;
	}	

	if (pos > 0)
	{
		str=str.substring(0, pos);
	}

	return (typeof(vDef)=='number') ? parseInt(str) : CharReplace(str);
}