var text_enter_url      = "请输入连接网址";
var text_enter_txt      = "请输入连接说明";
var text_enter_email    = "请输入邮件网址";
var text_enter_pic      = "请输入图片连接地址";
var error_no_url        = "您必须输入网址";
var error_no_txt        = "您必须连接说明";
var error_no_email      = "您必须输入邮件网址";
var error_no_pic		 = "您必须输入图片连接地址";
function commentWrite(NewCode) {
document.form1.content.value+=NewCode;
document.form1.content.focus();
return;
}

function AddText(text) {
	if (document.form1.content.createTextRange && document.form1.content.caretPos) {      
		var caretPos = document.form1.content.caretPos;      
		caretPos.text = caretPos.text.charAt(caretPos.text.length - 1) == ' ' ?
		text + ' ' : text;
	}
	else document.form1.content.value += text;
	document.form1.content.focus(caretPos);
}
function inputs(str)
{
AddText(str);
}
function Curl() {
var FoundErrors = '';
var enterURL   = prompt(text_enter_url, "http://");
var enterTxT   = prompt(text_enter_txt, enterURL);
if (!enterURL)    {
FoundErrors += "\n" + error_no_url;
}
if (!enterTxT)    {
FoundErrors += "\n" + error_no_txt;
}
if (FoundErrors)  {
alert("错误！"+FoundErrors);
return;
}
var ToAdd = "[URL="+enterURL+"]"+enterTxT+"[/URL]";
document.form1.content.value+=ToAdd;
document.form1.content.focus();
}

function Cemail() {
var emailAddress = prompt(text_enter_email,"");
if (!emailAddress) { alert(error_no_email); return; }
var ToAdd = "[EMAIL]"+emailAddress+"[/EMAIL]";
commentWrite(ToAdd);
}
function UpPic() {
var pic_address = prompt(text_enter_pic,"");
if (!pic_address) { alert(error_no_pic); return; }
var ToAdd = "[IMG]"+pic_address+"[/IMG]";
commentWrite(ToAdd);
}
function Cquote() {
fontbegin="[QUOTE]";
fontend="[/QUOTE]";
fontchuli();
}
function Cbold() {
fontbegin="[B]";
fontend="[/B]";
fontchuli();
}
function Citalic() {
fontbegin="[I]";
fontend="[/I]";
fontchuli();
}
function Cunder() {
fontbegin="[U]";
fontend="[/U]";
fontchuli();
}
function Ccenter() {
fontbegin="[align=center]";
fontend="[/align]";
fontchuli();
}
function Cleft() {
fontbegin="[align=left]";
fontend="[/align]";
fontchuli();
}

function Cright() {
fontbegin="[align=right]";
fontend="[/align]";
fontchuli();
}




function paste(text) {
	if (opener.document.form1.content.createTextRange && opener.document.form1.content.caretPos) {      
		var caretPos = opener.document.form1.content.caretPos;      
		caretPos.text = caretPos.text.charAt(caretPos.text.length - 1) == ' ' ?
		text + ' ' : text;
	}
	else opener.document.form1.content.value += text;
	opener.document.form1.content.focus(caretPos);
}

function showfont(font){
fontbegin="[face="+font+"]";
fontend="[/face]";
fontchuli();
}

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.form1.content.value=fontbegin+document.form1.content.value+fontend;
document.form1.content.focus();
}
}


ie = (document.all)? true:false
if (ie){
function ctlent(eventobject){if(event.ctrlKey && window.event.keyCode==13){this.document.form1.submit();}}
}