private function _clear_html($gel) {

$element = 'a,abbr,acronym,b,blockquote,br,caption,cite,code, dd,del,dfn,div,dl,dt,em,font,h1,h2,h3,h4,h5,h6,i,i mg,ins,kbd,li,ol,p,pre,s,span,strike,strong,sub,su p,table,tbody,td,tfoot,th,thead,tr,tt,u,ul,var,obj ect,param,embed,hr';
$attr = 'a.name,a.href,a.rev,a.title,a.target,a.rel,abbr.t itle,acronym.title,blockquote.cite,div.align,div.s tyle,div.class,div.id,font.size,font.color,h1.styl e,h2.style,h3.style,h4.style,h5.style,h6.style,img .src,img.alt,img.title,img.class,img.align,img.sty le,img.height,img.width,ol.style,p.class,p.style,s pan.style,span.class,span.id,table.align,table.cla ss,table.id,table.border,table.cellpadding,table.c ellspacing,table.style,table.width,td.abbr,td.alig n,td.class,td.id,td.colspan,td.rowspan,td.style,td .valign,tr.align,tr.class,tr.id,tr.style,tr.valign ,th.abbr,th.align,th.class,th.id,th.colspan,th.row span,th.style,th.valign,ul.style,object.style,obje ct.data,object.width,object.height,param.name,para m.value,embed.src,embed.type,embed.wmode,embed.wid th,embed.height';
require_once (lib_dir . 'htmlpurifier/library/HTMLPurifier.auto.php');
$purifier = new HTMLPurifier ();