function checksearch()
    {	
			
	   var txt = document.myform.txtkeyword.value;
        if(txt == "" || txt == 0)
        {
            alert("Bạn vui lòng nhập vào từ khóa cần tìm kiếm !\t");   
            document.myform.txtkeyword.focus();          
            return false;         
        }
		else
		{
		document.myform.action = "../resultsearch/default.php";
		document.myform.submit();
		}
   }
   function checksearch_en()
    {	
			
	   var txt = document.myform.txtkeyword.value;
        if(txt == "" || txt == 0)
        {
            alert("Please enter search keyword !\t");   
            document.myform.txtkeyword.focus();          
            return false;         
        }
		else
		{
		document.myform.action = "../resultsearch_en/index.php";
		document.myform.submit();
		}
   }
function sendcontact()
    {	
		
	 	document.myform.action = "sendmail.php";
		document.myform.submit();
		
   }

function ChangeType(divObj,mode)
    {
            if(divObj&&divObj.className)
            {
                    divObj.className=(mode?"bgbuttonall":"bgbuttonhome");                                  
            }
    }