var userAgent = navigator.userAgent.toLowerCase();
var is_opera  = ((userAgent.indexOf('opera') != -1) || (typeof(window.opera) != 'undefined'));
var is_saf    = ((userAgent.indexOf('applewebkit') != -1) || (navigator.vendor == 'Apple Computer, Inc.'));
var dirhs='clientscript/highslide/graphics/';
var is_webtv  = (userAgent.indexOf('webtv') != -1);
var is_ie     = ((userAgent.indexOf('msie') != -1) && (!is_opera) && (!is_saf) && (!is_webtv));
var is_ie4    = ((is_ie) && (userAgent.indexOf('msie 4.') != -1));
var is_ie7    = ((is_ie) && (userAgent.indexOf('msie 7.') != -1));
var is_moz    = ((navigator.product == 'Gecko') && (!is_saf));
var is_kon    = (userAgent.indexOf('konqueror') != -1);
var is_ns     = ((userAgent.indexOf('compatible') == -1) && (userAgent.indexOf('mozilla') != -1) && (!is_opera) && (!is_webtv) && (!is_saf));
var is_ns4    = ((is_ns) && (parseInt(navigator.appVersion) == 4));
var is_mac    = (userAgent.indexOf('mac') != -1);
	function areyousure(confirmation_message)
	{
		var ht = document.getElementsByTagName("body")[0];
		ht.style.filter = "progid:DXImageTransform.Microsoft.BasicImage(grayscale=1)";
		if (confirm(confirmation_message))
		{
			return true;
		}
		else
		{
			ht.style.filter = "";
			return false;
		}
	}
	function set_active_tab(id,frefix,maxid)
	{
		for(i=1;i<=maxid;i++)
		{
			document.getElementById(frefix+i).className = "TabUnActive";
			document.getElementById(frefix+'detal_info_'+i).style.display='none';
		}
		document.getElementById(frefix+'detal_info_'+id).style.display='';		
		document.getElementById(frefix+id).className = "TableActive";	
	}
	function set_active_start_tab(topic,category,id,frefix,maxid)
	{
		for(i=1;i<=maxid;i++)
		{
			document.getElementById(frefix+i).className = "TabUnActive";
			document.getElementById(frefix+'detal_info_'+i).style.display='none';
		}
		var valuex=category+';'+id;
		xajax_home('category_start',topic,valuex);
		document.getElementById(topic+'_item').style.display='none';		
		document.getElementById(frefix+'detal_info_'+id).style.display='';		
		document.getElementById(frefix+id).className = "TableActive";	
	}

function setmenu(obj){
	closeallmenu();
	document.getElementById(obj).style.display='';
}
function openpopup(url,width,height)
{
window.open(url,'popup','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width='+width+',height='+height)
}
function Checkrequires()
{
	if(document.getElementById('requires').title.value=='')
	{
		alert('chua dien  : tieu de - title is null');
		return false;
	}
	if(document.getElementById('requires').info.value=='')
	{
		alert('chua nhap : Thong tin - info is null');
		return false;
	}
	if(document.getElementById('requires').company.value=='')
	{
		alert('chua nhap : ten cong ty - Company is null');
		return false;
	}
	if(document.getElementById('requires').email.value=='')
	{
		alert('chua nhap : Email - Email is null');
		return false;
	}

	return true;
}
function checklogin()
{
	if(document.getElementById('loginform').username.value=='')
	{
		alert('chua dien ten dang nhap - username is null');
		return false;
	}
	if(document.getElementById('loginform').password.value=='')
	{
		alert('chua nhap mat khau - password is null');
		return false;
	}
	return true;
	
}
function menuactive(name){
	closealltopmenu();
	//document.getElementById(name).background='images/banner/bgicon.png';
	document.getElementById(name).style.display='';	
}
function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}
function Checkcontact()
{
	if(document.getElementById('contactitem').title.value=='')
	{
		alert('Title null- chua nhap tieu de');
		return false;
	}
	else if(document.getElementById('contactitem').email.value=='')
	{
		alert('Email null - chua nhap email');
		return false;
	}
	else if(document.getElementById('contactitem').type.value==0)
	{
		alert('type contact null - chua cho loai lien he');
		return false;
	}
	else if(document.getElementById('contactitem').info.value=='')
	{
		alert('info null- thong tin chua nhap');
		return false;
	}	
	else
	{
		return true;
	}
}
function log_out(confirmation_message){
	var ht = document.getElementsByTagName("body")[0];
	ht.style.filter = "progid:DXImageTransform.Microsoft.BasicImage(grayscale=1)";
	if (confirm(confirmation_message)){
		return true;
	}
	else
	{
		ht.style.filter = "";
		return false;
	}
}
function close_open(obj){
	if(document.getElementById(obj).style.display!=''){
		document.getElementById(obj).style.display='';
	}
	else
	{
		document.getElementById(obj).style.display='none';
	}
}
function logo_display(logo_pic, logo_link,out_div){
	var str_output	= '<a href="' + logo_link + '" target="_blank">' + logo_pic+ '</a>';
	document.getElementById(out_div).innerHTML	= str_output;
}
function logo_top_change(){
	logo_top_start++;
	if ( logo_top_start >= logo_top_total ){
		logo_top_start	= 0;
	}

	eval(logo_top[logo_top_start]);
	T_Banner	= setTimeout("logo_top_change()", logo_rand_time[logo_top_start]);
}
function logo_top1_change(){
	logo_top1_start++;
	if ( logo_top1_start >= logo_top1_total ){
		logo_top1_start	= 0;
	}
	eval(logo_top1[logo_top1_start]);
	T_Banner	= setTimeout("logo_top1_change()", logo_rand_time1[logo_top1_start]);
}
function FloatTopDiv()
	{
		startX = document.body.clientWidth - 100, startY = 10;
		var ns = (navigator.appName.indexOf("Netscape") != -1);
		var d = document;
		if (document.body.clientWidth < 900) startX = -100;		function ml(id)
		{
			var el=d.getElementById?d.getElementById(id):d.all?d.all[id]:d.layers[id];
			if(d.layers)el.style=el;
			el.sP=function(x,y){this.style.left=x;this.style.top=y;};
			el.x = startX;
			el.y = startY;
			return el;
		}
		window.stayTopLeft=function()
		{
			if (document.body.clientWidth < 900)
			{
				ftlObj.x = - 100;ftlObj.y = 0;	ftlObj.sP(ftlObj.x, ftlObj.y);
			}
		else{
			if (document.documentElement && document.documentElement.scrollTop)
				var pY = ns ? pageYOffset : document.documentElement.scrollTop;
			else if (document.body)
				var pY = ns ? pageYOffset : document.body.scrollTop;			if (document.body.scrollTop > 71){startY = 3} else {startY = 10};			if (document.body.clientWidth >= 1024)

			{
				ftlObj.x = document.body.clientWidth - 100;ftlObj.y += (pY + startY - ftlObj.y)/32;ftlObj.sP(ftlObj.x, ftlObj.y);

			}
			else{
			ftlObj.x  = startX;
			ftlObj.y += (pY + startY - ftlObj.y)/32;
			ftlObj.sP(ftlObj.x, ftlObj.y);

			}
			}
			setTimeout("stayTopLeft()", 1);
		}
		ftlObj = ml("divAdRight");
		stayTopLeft();
}

function FloatTopDiv2(){

		startX2 = document.body.clientWidth - 1004, startY2 = 10;

		var ns2 = (navigator.appName.indexOf("Netscape") != -1);

		var d2 = document;
		if (document.body.clientWidth < 900) startX2 = -110;		
		function ml2(id){

			var el2=d2.getElementById?d2.getElementById(id):d2.all?d2.all[id]:d2.layers[id];

			if(d2.layers)el2.style=el2;

			el2.sP=function(x,y){this.style.left=x;this.style.top=y;};

			el2.x = startX2;

			el2.y = startY2;

			return el2;

		}

		window.stayTopLeft2=function(){

			if (document.body.clientWidth < 900){

				ftlObj2.x = - 100;ftlObj2.y = 0;	ftlObj2.sP(ftlObj2.x, ftlObj2.y);

			}

			else{

			if (document.documentElement && document.documentElement.scrollTop)

				var pY2 = ns2 ? pageYOffset : document.documentElement.scrollTop;

			else if (document.body)

				var pY2 = ns2 ? pageYOffset : document.body.scrollTop;
			if (document.body.scrollTop > 71){startY2 = 3} else {startY2 = 10};

			if (document.body.clientWidth >= 1024){

				ftlObj2.x =  0;ftlObj2.y += (pY2 + startY2 - ftlObj2.y)/32;	ftlObj2.sP(ftlObj2.x, ftlObj2.y);

			}
			else

			{		ftlObj2.x  = startX2;

			ftlObj2.y += (pY2 + startY2 - ftlObj2.y)/32;

			ftlObj2.sP(ftlObj2.x, ftlObj2.y);

			}
			}
			setTimeout("stayTopLeft2()", 1);

		}

		ftlObj2 = ml2("divAdLeft");

		stayTopLeft2();

	}

	function ShowAdDiv()

	{		var objAdDivLeft= document.getElementById("divAdLeft");
		var objAdDivRight = document.getElementById("divAdRight");

		if (document.body.clientWidth < 900)
		{
			objAdDivLeft.style.left  = - 100;
			objAdDivRight.style.left = - 100;
		}
		
		else
		{
			objAdDivLeft.style.left  = -100;
			objAdDivRight.style.left = document.body.clientWidth-100;
			//objAdDivRight.style.display='none';
		}

		FloatTopDiv();

		FloatTopDiv2();		

	}