<!--
  function showBrand(str)
  {
  	document.getElementById("tr_brand").style.display = '';
  	document.getElementById("tr_type").style.display = 'none';
  	document.getElementById("tr_cat").style.display = 'none';
  	document.getElementById("tr_carbrand").style.display = 'none';   	
  }
  
  function showType(str)
  {
  	document.getElementById("tr_brand").style.display = 'none';
  	document.getElementById("tr_type").style.display = '';
  	document.getElementById("tr_cat").style.display = 'none';  
  	document.getElementById("tr_carbrand").style.display = 'none';   	
  }
  
  function showCat(str)
  {
  	document.getElementById("tr_brand").style.display = 'none';
  	document.getElementById("tr_type").style.display = 'none';
  	document.getElementById("tr_cat").style.display = ''; 
  	document.getElementById("tr_carbrand").style.display = 'none';   	
  }  
  
  function showCarBrand(str)
  {
  	document.getElementById("tr_brand").style.display = 'none';
  	document.getElementById("tr_type").style.display = 'none';
  	document.getElementById("tr_cat").style.display = 'none';  	
  	document.getElementById("tr_carbrand").style.display = '';  	
  }      
  
//-->