if (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 ))|| ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 ))) {version = "supported";}else {version = "notsupported";}

if (version == "supported") 

{img1on = new Image();img1on.src = "../gif/rollover01_on.gif"

img1off = new Image();img1off.src = "../gif/rollover01_of.gif";}



if (version == "supported")

{img2on = new Image();img2on.src = "gif/rollover02_on.gif"

img2off = new Image();img2off.src = "gif/rollover02_of.gif";}



if (version == "supported") 

{img3on = new Image();img3on.src = "../gif/rollover03_on.gif"

img3off = new Image();img3off.src = "../gif/rollover03_of.gif";}



if (version == "supported") 

{img4on = new Image();img4on.src = "../gif/rollover04_on.gif"

img4off = new Image();img4off.src = "../gif/rollover04_of.gif";}




function img_on(imgName) 

{if (version == "supported") 

{imgOn = eval(imgName + "on.src");document [imgName].src = imgOn;}}function img_off(imgName) 

{if (version == "supported") 

{imgOff = eval(imgName + "off.src");document [imgName].src = imgOff;}}




<!--
  if (document.images)
   {
     image_off= new Image(100,100);
     image_off.src="/gif/screen_awtg.jpg";  

     image2= new Image(100,100);
     image2.src="/gif/screen_wrw.gif";  
     image3= new Image(100,100);
     image3.src="/img/main3.jpg";  
     image4= new Image(100,100);
     image4.src="/img/main4.jpg";   
     image5= new Image(100,100);
     image5.src="/img/main5.jpg"; 
     image6= new Image(100,100);
     image6.src="/img/main6.jpg";    
   }

function change1(picName,imgName)
 {
   if (document.images)
    {
      imgOn=eval(imgName + ".src");
      document[picName].src= imgOn;
    }
 }
//-->