function CleanWord( html, bIgnoreFont, bRemoveStyles, CleanWordKeepsStructure){
	//var html = oNode.innerHTML ;
	if(html==null) return '';
	html = html.replace(/<o:p>\s*<\/o:p>/g, '') ;
	html = html.replace(/<o:p>[\s\S]*?<\/o:p>/g, '&nbsp;') ;

	// Remove mso-xxx styles.
	html = html.replace( /\s*mso-[^:]+:[^;"]+;?/gi, '' ) ;

	// Remove margin styles.
	html = html.replace( /\s*MARGIN: 0(?:cm|in) 0(?:cm|in) 0pt\s*;/gi, '' ) ;
	html = html.replace( /\s*MARGIN: 0(?:cm|in) 0(?:cm|in) 0pt\s*"/gi, "\"" ) ;

	html = html.replace( /\s*TEXT-INDENT: 0(?:cm|in)\s*;/gi, '' ) ;
	html = html.replace( /\s*TEXT-INDENT: 0(?:cm|in)\s*"/gi, "\"" ) ;

	html = html.replace( /\s*TEXT-ALIGN: [^\s;]+;?"/gi, "\"" ) ;

	html = html.replace( /\s*PAGE-BREAK-BEFORE: [^\s;]+;?"/gi, "\"" ) ;

	html = html.replace( /\s*FONT-VARIANT: [^\s;]+;?"/gi, "\"" ) ;

	html = html.replace( /\s*tab-stops:[^;"]*;?/gi, '' ) ;
	html = html.replace( /\s*tab-stops:[^"]*/gi, '' ) ;

	// Remove FONT face attributes.
	if ( bIgnoreFont ){
		html = html.replace( /\s*face="[^"]*"/gi, '' ) ;
		html = html.replace( /\s*face=[^ >]*/gi, '' ) ;

		html = html.replace( /\s*FONT-FAMILY:[^;"]*;?/gi, '' ) ;
	}

	// Remove Class attributes
	//html = html.replace(/<(\w[^>]*) class=([^ |>]*)([^>]*)/gi, "<$1$3") ;

	// Remove styles.
	if ( bRemoveStyles )
		html = html.replace( /<(\w[^>]*) style="([^\"]*)"([^>]*)/gi, "<$1$3" ) ;

	// Remove style, meta and link tags
	html = html.replace( /<STYLE[^>]*>[\s\S]*?<\/STYLE[^>]*>/gi, '' ) ;
	html = html.replace( /<(?:META|LINK)[^>]*>\s*/gi, '' ) ;

	// Remove empty styles.
	html =  html.replace( /\s*style="\s*"/gi, '' ) ;
	html = html.replace( /<SPAN\s*[^>]*>\s*&nbsp;\s*<\/SPAN>/gi, '&nbsp;' ) ;
	html = html.replace( /<SPAN\s*[^>]*><\/SPAN>/gi, '' ) ;

	// Remove Lang attributes
	html = html.replace(/<(\w[^>]*) lang=([^ |>]*)([^>]*)/gi, "<$1$3") ;
	html = html.replace( /<SPAN\s*>([\s\S]*?)<\/SPAN>/gi, '$1' ) ;
	html = html.replace( /<FONT\s*>([\s\S]*?)<\/FONT>/gi, '$1' ) ;

	// Remove XML elements and declarations
	html = html.replace(/<\\?\?xml[^>]*>/gi, '' ) ;

	// Remove w: tags with contents.
	html = html.replace( /<w:[^>]*>[\s\S]*?<\/w:[^>]*>/gi, '' ) ;

	// Remove Tags with XML namespace declarations: <o:p><\/o:p>
	html = html.replace(/<\/?\w+:[^>]*>/gi, '' ) ;

	// Remove comments [SF BUG-1481861].
	html = html.replace(/<\!--[\s\S]*?-->/g, '' ) ;

	html = html.replace( /<(U|I|STRIKE)>&nbsp;<\/\1>/g, '&nbsp;' ) ;

	html = html.replace( /<H\d>\s*<\/H\d>/gi, '' ) ;

	// Remove "display:none" tags.
	html = html.replace( /<(\w+)[^>]*\sstyle="[^"]*DISPLAY\s?:\s?none[\s\S]*?<\/\1>/ig, '' ) ;

	// Remove language tags
	html = html.replace( /<(\w[^>]*) language=([^ |>]*)([^>]*)/gi, "<$1$3") ;

	// Remove onmouseover and onmouseout events (from MS Word comments effect)
	html = html.replace( /<(\w[^>]*) onmouseover="([^\"]*)"([^>]*)/gi, "<$1$3") ;
	html = html.replace( /<(\w[^>]*) onmouseout="([^\"]*)"([^>]*)/gi, "<$1$3") ;
	
	//換行縮短
	//html = html.replace( /<br([^>]*)>/gi, '<br \/>' ) ;
	//html = html.replace( /<br([^>]*)>/gi, '' ) ;
	
	if ( CleanWordKeepsStructure )
{
		// The original <Hn> tag send from Word is something like this: <Hn style="margin-top:0px;margin-bottom:0px">
		html = html.replace( /<H(\d)([^>]*)>/gi, '<h$1>' ) ;

		// Word likes to insert extra <font> tags, when using MSIE. (Wierd).
		html = html.replace( /<(H\d)><FONT[^>]*>([\s\S]*?)<\/FONT><\/\1>/gi, '<$1>$2<\/$1>' );
		html = html.replace( /<(H\d)><EM>([\s\S]*?)<\/EM><\/\1>/gi, '<$1>$2<\/$1>' );
	}else{
		html = html.replace( /<H1([^>]*)>/gi, '<div$1><b><font size="6">' ) ;
		html = html.replace( /<H2([^>]*)>/gi, '<div$1><b><font size="5">' ) ;
		html = html.replace( /<H3([^>]*)>/gi, '<div$1><b><font size="4">' ) ;
		html = html.replace( /<H4([^>]*)>/gi, '<div$1><b><font size="3">' ) ;
		html = html.replace( /<H5([^>]*)>/gi, '<div$1><b><font size="2">' ) ;
		html = html.replace( /<H6([^>]*)>/gi, '<div$1><b><font size="1">' ) ;

		html = html.replace( /<\/H\d>/gi, '<\/font><\/b><\/div>' ) ;

		// Transform <P> to <DIV>
		var re = new RegExp( '(<P)([^>]*>[\\s\\S]*?)(<\/P>)', 'gi' ) ;	// Different because of a IE 5.0 error
		html = html.replace( re, '<div$2<\/div>' ) ;

		// Remove empty tags (three times, just to be sure).
		// This also removes any empty anchor
		html = html.replace( /<([^\s>]+)(\s[^>]*)?>\s*<\/\1>/g, '' ) ;
		html = html.replace( /<([^\s>]+)(\s[^>]*)?>\s*<\/\1>/g, '' ) ;
		html = html.replace( /<([^\s>]+)(\s[^>]*)?>\s*<\/\1>/g, '' ) ;
	}

	return html ;
}