這個表單能確保訪客正確填寫各項目後才允許發送。

安裝：

步驟一  拷貝以下腳本後貼在有關網頁的<head>與</head>之間。

    
<SCRIPT LANGUAGE="JavaScript"> <!-- Begin function getCookie(name){ var cname = name + "="; var dc = document.cookie; if (dc.length > 0) { begin = dc.indexOf(cname); if (begin != -1) { begin += cname.length; end = dc.indexOf(";", begin); if (end == -1) end = dc.length; return unescape(dc.substring(begin, end)); } } return null; } function setCookie(name, value) { var now = new Date(); var then = new Date(now.getTime() + 31536000000); document.cookie = name + "=" + escape(value) + "; expires=" + then.toGMTString() + "; path=/"; } function getInfo(form) { form.info.value = "Browser Information: " + navigator.userAgent; } function getValue(element) { var value = getCookie(element.name); if (value != null) element.value = value; } function setValue(element) { setCookie(element.name, element.value); } function fixElement(element, message) { alert(message); element.focus(); } function isMailReady(form) { var passed = false; if (form.fullname.value == "") { fixElement(form.fullname, "請署名。"); } else if (form.email.value.indexOf("@") == -1 || form.email.value.indexOf(".") == -1) { fixElement(form.email, "請提供正確電郵地址。"); } else if (form.message.value == "") { fixElement(form.message, "請傳達信息。"); } else { getInfo(form); passed = true; } return passed; } // End --> </SCRIPT>

步驟二  拷貝以下腳本後貼在有關網頁的<body>與</body>之間。

    
<CENTER> <FORM NAME = "mail" ACTION = "mailto:您的電郵地址" METHOD = "POST" ENCTYPE = "text/plain" onSubmit = "return isMailReady(this);"> <INPUT TYPE = "hidden" NAME = "info"> <TABLE BORDER = 0 CELLPADDING = 5 CELLSPACING = 0> <TR> <TD> 尊名： <P> <INPUT TYPE = "TEXT" NAME = "fullname" onFocus = "getValue(this)" onBlur = "setValue(this)"> </TD> <TD> 電郵： <P> <INPUT TYPE = "TEXT" NAME = "email" onFocus = "getValue(this)" onBlur = "setValue(this)"> </TD> </TR> <TR> <TD COLSPAN = "2"> 信息： <P> <TEXTAREA ROWS = "8" COLS = "38" NAME = "message"> </TEXTAREA> </TD> </TR> <TR> <TD COLSPAN = "2"> <INPUT TYPE = "SUBMIT" VALUE = "提交"> <INPUT TYPE = "RESET" VALUE = "取消"> </TD> </TR> </TABLE> </FORM> </CENTER>