function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
 var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
   var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
   if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) 
  { v=args[i+2];
    if (obj.style) 
    { 
		obj=obj.style;
		v=(v=='show')?'block':(v='hide')?'none':v; 
	}
    obj.display=v; }
}

function changeTab(tabName, tabId, totalTab)
{
	var endactive = 0;
	tabId = parseInt(tabId);
	totalTab = parseInt(totalTab);
	for (var i=0; i<=totalTab; i++){
		if (i == tabId){
			document.getElementById(tabName+i).className='tabselected';
			MM_showHideLayers(tabName+i+'Content','','show');
		}else{
			document.getElementById(tabName+i).className='';
			MM_showHideLayers(tabName+i+'Content','','hide');
		}
	}
	var iframe = document.getElementById("ProjectGallery");
	iframe.src = iframe.src;	
	var iframemain = document.getElementById("ProjectGalleryMain");
	iframemain.src = iframemain.src;	
}

function changeTabReal(tabName, tabId, totalTab)
{
	var endactive = 0;
	tabId = parseInt(tabId);
	totalTab = parseInt(totalTab);
	for (var i=0; i<=totalTab; i++){
		if (i == tabId){
			document.getElementById(tabName+i).className='tabselected';
			MM_showHideLayers(tabName+i+'Content','','show');
		}else{
			document.getElementById(tabName+i).className='';
			MM_showHideLayers(tabName+i+'Content','','hide');
		}
	}
}

function changeTabSt(tabName, tabId, totalTab)
{
	var endactive = 0;
	tabId = parseInt(tabId);
	totalTab = parseInt(totalTab);
	for (var i=0; i<=totalTab; i++){
		if (i == tabId){
			document.getElementById(tabName+tabId).className='tabselected';
			if (i == totalTab){
				document.getElementById(tabName+'end').className='tabselectedend';
				endactive = 1;
			}else{
				tabId += 1;
				document.getElementById(tabName+tabId).className='selectedtab'+i;
				i++;
			}
		}else{
			document.getElementById(tabName+i).className='tab'+i;
		}
	}
	if (endactive == 0)	document.getElementById(tabName+'end').className='tab'+totalTab+'span';
}

function ChangeTabFunc(changeTabId)
{
	switch(parseInt(changeTabId)){
		case 1:
			document.getElementById("tygia").className='infofuncact';
			document.getElementById("thitruong").className='infofunc';
			document.getElementById("tuvan").className='infofunc';
			break;
		case 2:
			document.getElementById("tygia").className='infofunc';
			document.getElementById("thitruong").className='infofuncact';
			document.getElementById("tuvan").className='infofunc';
			break;
		case 3:
			document.getElementById("tygia").className='infofunc';
			document.getElementById("thitruong").className='infofunc';
			document.getElementById("tuvan").className='infofuncact';
			break;
	}
}

function changeTabHome(tabName, tabId, totalTab)
{
	var endactive = 0;
	tabId = parseInt(tabId);
	totalTab = parseInt(totalTab);
	for (var i=0; i<=totalTab; i++){
		if (i == tabId){
			document.getElementById(tabName+i).className='homeselected';
			MM_showHideLayers(tabName+i+'Content','','show');
		}else{
			document.getElementById(tabName+i).className='hometab';
			MM_showHideLayers(tabName+i+'Content','','hide');
		}
	}
}