原来有样式，但是要用在线QQ功能，太麻烦，有没有简单点的，那位大侠帮忙下
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document.writeln("<a href=\"http:\/\/sighttp.\/cgi-bin\/check?sigkey=ad8c849bf0dc5f3f49d2b708416abe23176914afc0f3206af79485f52f2e14f1\";
target=_blank; onclick=\"var tempSrc=\'http:\/\/sighttp.\/wpa.js?rantime=\'+Math.random()+\'
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var newscript=document.createElement(\'script\');newscript.setAttribute(\'type\',\'text\/javascript\');
newscript.setAttribute(\'id\', \'testJs\');newscript.setAttribute(\'src\',tempSrc);if(oldscript == null){document.body.appendChild(newscript);
}else{oldscript.parentNode.replaceChild(newscript, oldscript);}return false;\">天长地久客服1<\/a>");