我将这个外部JS文件包含在网页中。它是一个绝对定位的页脚工具栏，具有切换视图功能。它在FF3中完美运行。但IE8给错误'animatedcollapse'是未定的，它只是悬挂在页面的底部。你能搞清楚这里缺少什么吗？
document.write("<link href=\"css\/catfish.css\" rel=\"stylesheet\" media=\"screen\">");
document.write("<script type=\"text\/javascript\" src=\"http:\/\/ajax.googleapis.com\/ajax\/libs\/jquery\/1.3.2\/jquery.min.js\"><\/script>");
document.write("<script type=\"text\/javascript\" src=\"js\/animatedcollapse.js\"><\/script>");
document.write("<script type=\"text\/javascript\">");
document.write("animatedcollapse.addDiv('catfish', 'fade=0,speed=400,group=pets,hide=0');");
document.write("animatedcollapse.ontoggle=function($, divobj, state){};");
document.write("animatedcollapse.init();");
document.write("<\/script> ");
document.write("<div id=\"catfish_wrap\">");
document.write(" <div id=\"btn_toggle\"><a href=\"#\" style=\"border:0px;\" rel=\"toggle[catfish]\" data-openimage=\"images\/collapse.png\" data-closedimage=\"images\/expand.png\"><img src=\"images\/collapse.png\" border=\"0\" \/><\/a><\/div>");
document.write(" <div id=\"catfish\">");
document.write(" <div id=\"sub_form\">");
document.write(" <form name=\"subscribe_newsletter\" id=\"subscribe_newsletter\">");
document.write(" <table width=\"100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">");
document.write(" <tr>");
document.write(" <td width=\"58%\"><h3>Subscribe me to your fantastic newsletter<\/h3>");
document.write(" <input name=\"fullname\" onClick=\"select()\" class=\"txtBox\" id=\"fullname\" value=\"Enter Full Name!\">");
document.write(" <input name=\"email\" onClick=\"select()\" class=\"txtBox\" id=\"email\" value=\"Valid E-mail Address!\">");
document.write(" <\/td>");
document.write(" <td width=\"42%\" align=\"right\"><input type=\"image\" src=\"images\/btn_subscribe.png\" style=\"padding-top:8px;\" value=\"Subscribe Newsletter\"><\/td>");
document.write(" <\/tr>");
document.write(" <\/table> ");
document.write(" <\/form>");
document.write(" <\/div>");
document.write(" <\/div>");
document.write(" ");
document.write("<\/div>");