/ 清除WORD冗余格式并粘贴
function cleanAndPaste( html ) {
 // Remove all SPAN tags
 html = html.replace(/<\/?SPAN[^>]*>/gi, "" );
 // Remove Class attributes
 html = html.replace(/<(\w[^>]*) |>]*)([^>]*)/gi, "<$1$3") ;
 // Remove Style attributes
 html = html.replace(/<(\w[^>]*) style="([^"]*)"([^>]*)/gi, "<$1$3") ;
 // Remove Lang attributes
 html = html.replace(/<(\w[^>]*) lang=([^ |>]*)([^>]*)/gi, "<$1$3") ;
 // Remove XML elements and declarations
 html = html.replace(/<\\?\?xml[^>]*>/gi, "") ;
 // Remove Tags with XML namespace declarations: <o:p></o:p>
 html = html.replace(/<\/?\w+:[^>]*>/gi, "") ;
 // Replace the &nbsp;
 html = html.replace(/&nbsp;/, " " );
 // Transform <P> to <DIV>
 var re = new RegExp("(<P)([^>]*>.*?)(<\/P>)","gi") ; // Different because of a IE 5.0 error
 html = html.replace( re, "<div$2</div>" ) ;
 
 insertHTML( html ) ;
}