function changeStatus(thisid,id)
   {
	   var cur=document.getElementById(thisid);
	   //if (cur!=null)
	   {
		   cur.className="on";
	   }
	   
	   var d=document.getElementById(id);
	   //if (d!=null)
	   {
	   	   d.className="off";
	   }

   }
    
   function changeLink(link){
	   window.location=link;
   }

   function changeLang(page,id){
	   var s=window.location;
	   var link= s+"";
	   if (link.indexOf('lang='+id)<=0)
	   {
		   link=link.replace(/lang=vie/,"lang="+id);
	       link=link.replace(/lang=eng/,"lang="+id);
		   if (link.indexOf('lang=')<=0)
		   {
				link+="index.php?page=home&lang="+id;
		   }
	   }
	   window.location=link;
   }
   
   function changeinfo(id1,id2){
	   var tit=document.getElementById(id1);	
	   tit.style.display='block'	;
	   var inf=document.getElementById(id2);	
	   inf.style.display='none'	;
   }

   function changeStatus1(thisid,id)
   {
	   var d=document.getElementById(id);
	   //if (d!=null)
	   {
	   	   d.className="bigtitle";
	   }

	   var cur=document.getElementById(thisid);
	   //if (cur!=null)
	   {
		   cur.className="bigtitleon";
	   }
	   
	 

   }

   function getOnstatus(id1,id2){
	   var c1=document.getElementById(id1).style.display;
	   var c2=document.getElementById(id2).style.display;
	    
	   if (c1=="block")
	   {   
		   return id1;
	   }
	   if (c2=="block")
	   {
		   return id2;
	   }
   }

	function getHomeon(){
		var id1=getOnstatus('hcenter','hcenter1');
		if (id1=="hcenter")
		{
			return 'grd';
		}else return 'wbdev';
	}

	function CloseAll(){
  	   var img=document.getElementById('wdi');
	   var tit=document.getElementById('wdt');
	   var desc=document.getElementById('wdd');
   	   img.width='50px';
	   img.height='50px';
	   img.src="images/loading_image.gif";
	   tit.innerHTML="";
	   desc.innerHTML="";
	   changeinfo("work","workdetail");
	}