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function show_a4_zone(zonecode)
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				for (var i=0, post; post = A4page.Zone[zonecode].content[i]; i++) {
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function ConvertUbb(Source){
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	var flash_ubb = /\[flash=(\d*),(\d*)\](\S*)\[\/flash\]/igm;
	var flash_html= "<OBJECT codeBase=\"http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,22,0\" "
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	+ "width=$1 height=$2>"
	+ "<PARAM NAME=movie VALUE=\"$3\">"
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	+ "</OBJECT>";
	//执行转换
	Source=Source.replace(flash_ubb, flash_html );
	return Source;
}