对textarea框的代码调试，而且功能上使用非常方便，酷_表单特效

function MM_findObj(n, d) { //v4.0
var p,i,x; if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i for(i=0;!x&&d.layers&&i if(!x && document.getElementById) x=document.getElementById(n); return x;}
function test(){
obj=MM_findObj('txt');
if (obj.value.length<1) {alert("请输入代码后按运行!");obj.focus();}
else{
var winEx = window.open("", "winEx", "width=400,height=400,status=yes,menubar=yes,scrollbars=yes,resizable=yes"); winEx.document.open("text/html", "replace");
winEx.document.write(obj.value);
winEx.document.close();}}
if (document.all&&document.all.flashit){
var flashelement=document.all.flashit
if (flashelement.length==null)
flashelement[0]=document.all.flashit
function changecolor(which){
if (flashelement[which].style.color=='')
flashelement[which].style.color="#FF8040"
else
flashelement[which].style.color=""}
if (flashelement.length==null)
setInterval("changecolor(0)",1000)
else
for (i=0;ivar tempvariable='setInterval("changecolor('+i+')",'+'1000)'
eval(tempvariable)}}