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采用行写方式的聊天程序（之三）
ltsayno. php 该程序为系统的核心，处理所关联的所有函数信息 ?session_start();? html head title发言区/title meta http-equiv=Content-Type content=text/html; charset=gb2312 style body{background:59ACFF;color:black} body{font-size:9pt;line-heigh
ltsayno.php 该程序为系统的核心，处理所关联的所有函数信息
<?session_start();?>
<html>
<head>
<title>发言区</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<style>
body{background:59ACFF;color:black}
body{font-size:9pt;line-height:160%}
table{font-size:10.5pt}
input{font-size:9pt}
A{color:black;text-decoration:none}
A:Hover{text-decoration:underline}
</style>
<script Language=JavaScript>
//大家的信息
function dj(){
document.forms[0].towho.options[0].value="大家";
document.forms[0].towho.options[0].text="大家";
document.forms[0].saystemp.focus();
}
//动作，把该动作的信息添加到发言板中
function rc(list){
if (list!="0"){
document.forms[0].saystemp.value=list;
document.forms[0].saystemp.focus();
}
}
function backsays() {
document.forms[0].saystemp.value=document.forms[0].oldsays.value;
document.forms[0].saystemp.focus();
return true;
}
function checksays(){
if(document.fyq.saystemp.value==""){
alert("请输入发言。");
document.fyq.saystemp.focus();
return false;
}
if(document.fyq.saystemp.value==document.fyq.oldsays.value){
alert("内容不可重复。");
document.fyq.saystemp.focus();
document.fyq.saystemp.select();
return false;
}
document.fyq.oldsays.value=document.fyq.saystemp.value;
document.fyq.saystemp.value="";
document.fyq.saystemp.focus();
document.fyq.send.disabled=1;
setTimeout("document.fyq.send.disabled=0",30);
return true;
}
function cls(){
parent.f1.location.href="about:blank";
setTimeout("write(1)",500);
}
function write(cls){
var ffsize;
var lheight;
if (cls==1){
ffsize=parent.f2.document.fyq.fontsize.value;
lheight=parent.f2.document.fyq.lineheight.value;
}else{
ffsize='10.5';
lheight='145';
}
parent.f1.document.open();
parent.f1.document.writeln("<html><head><title>对话区</title>");
parent.f1.document.writeln("<meta http-equiv=Content-Type content="text/html; charset=gb2312">");
parent.f1.document.writeln("<style type=text/css>.t{color:FF00FF;font-size:9pt;}");
parent.f1.document.writeln("body{font-family:"宋体";font-size:"+ffsize+"pt;line-height:" + lheight + "%;}A{text-decoration:none}A:Hover{text-decoration:underline}A:visited{color:blue}</style></head>");
parent.f1.document.writeln("<Script Language="JavaScript1.1">");
parent.f1.document.writeln("var autoScrollOn=1;");
parent.f1.document.writeln("var scrollOnFunction;var scrollOffFunction;");
parent.f1.document.writeln("function scrollit()");
parent.f1.document.writeln("{if(!parent.f2.document.fyq.as.checked)");
parent.f1.document.writeln("{autoScrollOn=0;return true;}else{autoScrollOn=1;StartUp();return true;}}");
parent.f1.document.writeln(" function scrollWindow()");
parent.f1.document.writeln("{if(autoScrollOn==1)");
parent.f1.document.writeln("{this.scroll(0,65000);setTimeout('scrollWindow()',200);}}");
parent.f1.document.writeln("function scrollOn(){autoScrollOn=1;scrollWindow();}");
parent.f1.document.writeln("function scrollOff(){autoScrollOn=0;}");
parent.f1.document.writeln("function StartUp()");
parent.f1.document.writeln("{parent.onblur=scrollOnFunction;");
parent.f1.document.writeln("parent.onfocus=scrollOffFunction;scrollWindow();}");
parent.f1.document.writeln("scrollOnFunction=new Function('scrollOn()');");
parent.f1.document.writeln("scrollOffFunction=new Function('scrollOff()');");
parent.f1.document.writeln("StartUp();</script>");
parent.f1.document.writeln("<body bgcolor=ffffff text=000000>");
parent.f1.document.writeln("<hr size=1><center>欢迎光临PHP无刷新功能聊天室!</center><hr size=1>");
parent.tforlt4.location.href="lt4.php";
document.fyq.saystemp.focus();
}
function sw(list){
document.fyq.towho.options[0].value=list;
document.fyq.towho.options[0].text=list;
document.fyq.saystemp.focus();
}
function sw11(username){
var usna;
usna=username.substring(1,username.length-1);
document.fyq.towho.options[0].value=usna;
document.fyq.towho.options[0].text=usna;
document.fyq.saystemp.focus();
return;
}
function w(un,sa,tn,dt){
var show;
show="【"+tn+" 发言】";
show=show+"<a href=javascript:parent.f2.sw('[" + un + "]'); target=f2>" + un + "</a>：" + sa + "<font class=t>"
show=show + " (" + dt + ")</font><br>";
parent.f1.document.writeln(show);
}
function nw(zt,un,tw,sa){
parent.f2.document.fyq.addsign.options[0].selected=true;
var show="";
var sw_un=un.indexOf(">");
var yun=un.substring(sw_un+1,un.length-7);
var name_self="<?echo $uname;?>";
if (zt==0){
if (name_self!=un && name_self!=tw){
show="<a href=javascript:parent.f2.sw('" + un + "'); target=f2>" + un + "</a>对"+"<a href=javascript:parent.f2.sw('" + tw + "'); target=f2>" + tw + "</a>说："+sa+"<br>";
parent.f1.document.writeln(show);
}else{
if(name_self==un){
show="<font color=red>〖"+un+"〗</font>对";
show=show+"<a href=javascript:parent.f2.sw('" + tw + "'); target=f2>" + tw + "</a>说：" + sa + "<br>";
parent.f1.document.writeln(show);
}else{
show="<a href=javascript:parent.f2.sw('" + un + "'); target=f2>" + un + "</a>对";
show=show+"<font color=red>〖"+tw+"〗</font>说：" + sa + "<br>";
parent.f1.document.writeln(show);
}
}
}
}
function change_color(){
var change_color=document.fyq.sayscolor.options[document.fyq.sayscolor.selectedIndex].value;
document.fyq.saystemp.style.color=change_color;
document.fyq.saystemp.focus();
}
</script>
</head>
