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condition1 = (browserName.indexOf("Netscape") >=0 ) && browserVer > 2 ;
condition2 = (browserName.indexOf("Explorer") >= 0) && browserVer > 3
if (condition1 == true  || condition2 == true)
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else
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if (CanAnimate) {
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              offimage11.src = "gifs/slate1.jpg";

              onimage22 = new Image(100,80);
              onimage22.src = "gifs/granite2.jpg"; 
              offimage22 = new Image(100,80); 
              offimage22.src = "gifs/granite1.jpg";
              
              onimage33 = new Image(100,80);
              onimage33.src = "gifs/sandstone2.jpg"; 
              offimage33 = new Image(100,80); 
              offimage33.src = "gifs/sandstone1.jpg";

              onimage44 = new Image(100,80);
              onimage44.src = "gifs/marble2.jpg"; 
              offimage44 = new Image(100,80); 
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              onimage77 = new Image(100,80);
              onimage77.src = "gifs/landscaping2.jpg"; 
              offimage77 = new Image(100,80); 
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              onimage88 = new Image(100,80);
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//-->