var ads = '';

ads += '<'+'object  classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000';
ads += '" codebase="http://download.macromedia.com/pub/shockwave/cab';
ads += 's/flash/swflash.cab#version=5,0,0,0" width="738" height="90"';
ads += '>\n  <'+'param name="movie" value="http://ads.pagina12.com.ar/ba';
ads += 'nners/compremos_clases2.swf">\n  <'+'param name="quality" value=';
ads += '"high">\n  <'+'param name="wmode" value="opaque">\n  <'+'embed src="';
ads += 'http://ads.pagina12.com.ar/banners/compremos_clases2.swf.swf';
ads += '" quality="high"  wmode="transparent" pluginspage="http://ww';
ads += 'w.macromedia.com/shockwave/download/index.cgi?P1_Prod_Versio';
ads += 'n=ShockwaveFlash" type="application/x-shockwave-flash" width';
ads += '="738" height="90">\n  <'+'/embed> \n<'+'/object>';

document.write(ads);