/ 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[^]*) class=([^ |]*)([^]*)/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 ) ;
}