topic.js

我见过的用ASP写的最好的留言簿程序

var Bold  = 0;
var Italic = 0;
var Underline = 0;
function fontchuli(){
if ((document.selection)&&(document.selection.type == "Text")) {
var range = document.selection.createRange();
var ch_text=range.text;
range.text = fontbegin + ch_text + fontend;
} 
else {
document.topic.content.value=fontbegin+document.topic.content.value+fontend;
document.topic.content.focus();
}
}
function AddText(text) {
	if (document.topic.content.createTextRange && document.topic.content.caretPos) {      
		var caretPos = document.topic.content.caretPos;      
		caretPos.text = caretPos.text.charAt(caretPos.text.length - 1) == ' ' ?
		text + ' ' : text;
	}
	else document.topic.content.value += text;
	document.topic.content.focus(caretPos);
}
function COLOR(color){
fontbegin="[color="+color+"]";
fontend="[/color]";
fontchuli();
}
helpstat = false;
stprompt = true;
basic = false;
function thelp(swtch){
	if (swtch == 1){
		basic = false;
		stprompt = false;
		helpstat = true;
	} else if (swtch == 0) {
		helpstat = false;
		stprompt = false;
		basic = true;
	} else if (swtch == 2) {
		helpstat = false;
		basic = false;
		stprompt = true;
	}
}
function Crm() {
	if (helpstat) {
               alert("realplay\n播放realplay文件.\n用法: [rm=宽度, 高度]文件地址[/rm]");
	} else if (basic) {
		AddTxt="[rm=500,350][/rm]";
		AddText(AddTxt);
	} else { 
		txt2=prompt("视频的宽度，高度","500,350"); 
		if (txt2!=null) {
			txt=prompt("视频文件的地址","请输入");
			if (txt!=null) {
				if (txt2=="") {
					AddTxt="[rm=500,350]"+txt;
					AddText(AddTxt);
					AddTxt="[/rm]";
					AddText(AddTxt);
				} else {
					AddTxt="[rm="+txt2+"]"+txt;
					AddText(AddTxt);
					AddTxt="[/rm]";
					AddText(AddTxt);
				}         
			} 
		}
	}
}

function Cwmv() {
	if (helpstat) {
               alert("Media Player\n播放Media Player文件.\n用法: [mp=宽度, 高度]文件地址[/mp]");
	} else if (basic) {
		AddTxt="[mp=500,350][/mp]";
		AddText(AddTxt);
	} else { 
		txt2=prompt("视频的宽度，高度","500,350"); 
		if (txt2!=null) {
			txt=prompt("视频文件的地址","请输入");
			if (txt!=null) {
				if (txt2=="") {
					AddTxt="[mp=500,350]"+txt;
					AddText(AddTxt);
					AddTxt="[/mp]";
					AddText(AddTxt);
				} else {
					AddTxt="[mp="+txt2+"]"+txt;
					AddText(AddTxt);
					AddTxt="[/mp]";
					AddText(AddTxt);
				}         
			} 
		}
	}
}
function Cdir() {
	if (helpstat) {
               alert("Shockwave\n插入Shockwave文件.\n用法: [dir=宽度, 高度]文件地址[/dir]");
	} else if (basic) {
		AddTxt="[dir=500,350][/dir]";
		AddText(AddTxt);
	} else { 
		txt2=prompt("Shockwave文件的宽度，高度","500,350"); 
		if (txt2!=null) {
			txt=prompt("Shockwave文件的地址","请输入地址");
			if (txt!=null) {
				if (txt2=="") {
					AddTxt="[dir=500,350]"+txt;
					AddText(AddTxt);
					AddTxt="[/dir]";
					AddText(AddTxt);
				} else {
					AddTxt="[dir="+txt2+"]"+txt;
					AddText(AddTxt);
					AddTxt="[/dir]";
					AddText(AddTxt);
				}         
			} 
		}
	}
}
function image() {
var FoundErrors = '';
var enterURL   = prompt("请输入图片地址","http://");
if (!enterURL) {
FoundErrors +="\n" + "您必须输入图片的有效地址";
}
if (FoundErrors) {
alert("错误！"+FoundErrors);
return;
}
var ToAdd = "[img]"+enterURL+"[/img]";
document.topic.content.value+=ToAdd;
document.topic.content.focus();
}
function fly() {
fontbegin="[fly]";
fontend="[/fly]";
fontchuli();
}
function move() {
fontbegin="[move]";
fontend="[/move]";
fontchuli();
}
function center() {
fontbegin="[center]";
fontend="[/center]";
fontchuli();
}
function light() {
fontbegin="[light]";
fontend="[/light]";
fontchuli();
}
function ying() {
fontbegin="[shadow=255,red,1]";
fontend="[/shadow]";
fontchuli();
}
function Curl() {
var FoundErrors = '';
var enterURL   = prompt("请输入连接网址", "http://");
var enterTxT   = prompt("请输入连接说明", enterURL);
if (!enterURL)    {
FoundErrors += "\n" + "您必须输入网址";
}
if (!enterTxT)    {
FoundErrors += "\n" + "您必须连接说明";
}
if (FoundErrors)  {
alert("错误！"+FoundErrors);
return;
}
var ToAdd = "[url="+enterURL+"]"+enterTxT+"[/url]";
document.topic.content.value+=ToAdd;
document.topic.content.focus();
}
function Cemail() {
var emailAddress = prompt("请输入邮件地址","");
if (!emailAddress) { alert("请输入正确的email地址"); return; }
var ToAdd = "[email]"+emailAddress+"[/email]";
document.topic.content.value+=ToAdd;
document.topic.content.focus();
}
function Cbold() {
fontbegin="[b]";
fontend="[/b]";
fontchuli();
}
function Citalic() {
fontbegin="[i]";
fontend="[/i]";
fontchuli();
}
function Cunder() {
fontbegin="[u]";
fontend="[/u]";
fontchuli();
}
function Csound() {
var FoundErrors = '';
var enterURL   = prompt("请输入背景音乐地址", "http://");
if (!enterURL) {
FoundErrors += "\n" + "您必须要输入背景音乐的有效地址";
}
if (FoundErrors) {
alert("错误！"+FoundErrors);
return;
}
var ToAdd = "[sound]"+enterURL+"[/sound]";
document.topic.content.value+=ToAdd;
document.topic.content.focus();
}


function insertsmilie(smilieface)
{
document.topic.content.value+=smilieface;
}

function check(){
	if((document.topic.content.value.length>300) || (document.topic.content.value.length<5)){
	alert("留言内容必须在 "+5+" - "+300+" 个字数之间！");
	document.topic.content.focus();
	return false;
}}

function count(message,total,used,remain)
{
	var max;
	max = total.value;
	if (message.value.length > max) {
	message.value = message.value.substring(0,max);
	used.value = max;
	remain.value = 0;
	alert("您发表的内容已经超过限制的字数"+max+"！\n系统将自动裁减超出的部分内容！");
	}
	else {
	used.value = message.value.length;
	remain.value = max - used.value;
	}
}