browserName = navigator.appName;

 browserVer = parseInt(navigator.appVersion);

 if((browserName == "Netscape" && browserVer >=3)||(browserName == "Microsoft Internet Explorer" && browserVer >=4))version = "rollovergood";

 else version = "rolloverbad";





//ROLLOVER IMAGEPRELOAD

if (version == "rollovergood")

{

pointerover=new Image(10,10);

pointerover.src='images/pointer.jpg';

spacerout=new Image(10,10);

spacerout.src='images/spacer.jpg';

}



//ROLLOVER MOUSEOVER AND MOUSEOUT

 function imgover(imgName)

 {

    if(version=="rollovergood") document[imgName].src = pointerover.src;

 }



function imgout (imgName)

{

   if(version=="rollovergood") document[imgName].src = spacerout.src;

}