为什么在网页中加入了特效代码后没有效果？_帮助文档_网页特效库.files

document.writeln("<!-- Yahoo DIY Search Box Starts --> ") document.writeln("<div id=\"ysrchForm\" style=\"border:1px solid #7E9DB9; background:#FFFFFF; width:200px; margin:0 auto; padding:10px 10px 20px 10px; position:relative;\">") document.writeln("<form id=\"searchBoxForm_U0RuibtcvR4IgAANnhoWw\" action=\"http:\/\/diy.cn.yahoo.com\/a\/bouncer\" style=\"padding:0;\" >") document.writeln("<input name=\"mobid\" value=\"U0RuibtcvR4IgAANnhoWw\" type=\"hidden\">") document.writeln("<input name=\"ei\" value=\"GBK\" type=\"hidden\">") document.writeln("<input name=\"fr\" value=\"ystg-c\" type=\"hidden\"><div style=\"padding:0 80px 0 0;zoom:1;\">") document.writeln("<input type=\"text\" id=\"searchTerm\" onFocus=\"this.style.background='#fff';\" onBlur=\"if(this.value=='')this.style.background='#fff url() 3px center no-repeat'\" name=\"p\" style=\" margin:1px 0; width:100%; border:1px solid #7E9DB9; color:#666666; height:20px; padding:2px 0px 0px 3px; background:#fff url() 3px center no-repeat; position:relative;\">") document.writeln("<input type=\"submit\" id=\"btn_U0RuibtcvR4IgAANnhoWw\" value=\"站内搜索\" style=\" padding-bottom:1px; position:absolute; right:10px; top:10px; margin:0px; height:22px; width:70px; \">") document.writeln("<\/div><ul style=\"color:#666666; font:11px\/11px normal Arial, Helvetica, sans-serif; margin:0; padding:0; text-align:left; list-style-type:none;radios\"><li style=\"display:inline;padding-right:10px;\">") document.writeln("<input name=\"mobvs\" id=\"site_U0RuibtcvR4IgAANnhoWw\" value=\"1\" onclick='displayPopSearch(\"site\",\"U0RuibtcvR4IgAANnhoWw\");' checked=\"checked\" type=\"hidden\">") document.writeln("<\/li><\/ul>") document.writeln("<div style=\"font-family: verdana;font-size: 9px;color:#000;position:absolute;right:10px;bottom:5px\">powered by <span style=\"color: #ff0033;font-weight: bold;\">YAHOO!<\/span> <span style=\"font-weight: bold;color: #545454\">SEARCH<\/span><\/div><\/form><\/div>") document.writeln("<!-- Yahoo DIY Search Box Ends--> ") document.writeln("<table width=\"100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">") document.writeln("<tr>") document.writeln("<td height=\"10\"><\/td>") document.writeln("<\/tr>") document.writeln("<\/table>")