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handleKey(): if .charCode is undefined, use .keyCode (Opera compatible.)
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@ -102,7 +102,7 @@ function setup_part3(){
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/////////////////////////
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function handleKey(e){
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var c = e.charCode;
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var c = e.charCode || e.keyCode;
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c = String.fromCharCode(c);
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if('zx<>?np'.indexOf(c)==-1) return;
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if((c=='x' || c=='<') && zoom>1) setZoom(zoom/1.2);
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