//load anh xuong truoc khi hoan chuyen anh
var img1=new Image();
img1.src="auto/images/auto_banner/camry1.jpg";
var img2=new Image();
img2.src="auto/images/auto_banner/honda1.jpg";
var img3=new Image();
img3.src="auto/images/auto_banner/honda3.jpg";
var img4=new Image();
img4.src="auto/images/auto_banner/fiat1.jpg";
var img5=new Image();
img5.src="auto/images/auto_banner/alfa1.jpg";
var img6=new Image();
img6.src="auto/images/auto_banner/bravo1.jpg";

 function change(ref)
 {
    if(ref=="camry")
   {
       document.getElementById(ref).src=img1.src;
       document.getElementById(ref).border=4;
   }
    else if(ref=="honda_civic")
   {
       document.getElementById(ref).src=img2.src;
       document.getElementById(ref).border=4;
    }
    else if(ref=="honda_accord")
   {
       document.getElementById(ref).src=img3.src;
       document.getElementById(ref).border=4;
   }
   else if(ref=="fiat")
   {
      document.getElementById(ref).src=img4.src ;
      document.getElementById(ref).border=4;
   }
   else if(ref=="alfa")
   {
      document.getElementById(ref).src=img5.src ;
      document.getElementById(ref).border=4;
   }
   else
   {
      document.getElementById(ref).src=img6.src ;
      document.getElementById(ref).border=4;
   }
 }
 function change1(ref)
 {
    if(ref=="camry")
   {
      document.getElementById(ref).src="auto/images/auto_banner/camry.jpg";
      document.getElementById(ref).border=0;
   }
    else if(ref=="honda_civic")
   {
      document.getElementById(ref).src="auto/images/auto_banner/honda.jpg";
      document.getElementById(ref).border=0;
   }
    else if(ref=="honda_accord")
   {
      document.getElementById(ref).src="auto/images/auto_banner/honda2.jpg";
      document.getElementById(ref).border=0;
    }
    else if(ref=="fiat")
   {
      document.getElementById(ref).src="auto/images/auto_banner/fiat.jpg";
      document.getElementById(ref).border=0;
    }
    else if(ref=="alfa")
   {
      document.getElementById(ref).src="auto/images/auto_banner/alfa.jpg";
      document.getElementById(ref).border=0;
    }
    else
    {
      document.getElementById(ref).src="auto/images/auto_banner/bravo.jpg";
      document.getElementById(ref).border=0;
    }
 }