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	version="";
	browserVer=parseInt(navigator.appVersion);

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	if(browserName=="Microsoft Internet Explorer" && browserVer >=4) version="n3";
	if (version=="n3")
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        homepage_on=new Image(65, 30);
        homepage_on.src="sx_file/homepage_down.gif";
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        homepage_off.src="sx_file/homepage_up.gif";
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//-->