经典俄罗斯方块

下面为效果显示

脚本说明:
把如下代码加入<body>区域中
<SCRIPT LANGUAGE="JavaScript">

var t=''; t1=''; qul=0;  xazi=0; done=1; sackisidone=1; sur=true; ldd=false;
var best=0; dav=false; m1=0; m2=0; m3=0; m4=0; xazidoneze=10; 
var qulebi=0; n1=0; n2=0; n3=0; n4=0; strt=false; gacherdi=false;
var i=0; j=0; l=0; shua=540; shuabiji=50; shuavardna=20;
var dro, dro2, shemdegi; 
var qvebi = new Array();
var ferebi = new Array('white','magenta','red','chocolate','blue','green','gold','coral');
var suruch=ferebi[0];
var tx='Click Start \n Use Arrow keys to Play.\n Left Arrow - Move left; \n Up Arrow - Rotate; \n Right Arrow - Move right; \n Down Arrow - Drop Down;';
var txabo='Scriptris - Javascript Tetris \n Game idea by Alexey Pajitnov. \n Script by Alex-Soft.net. 2002.';

function bruni()
{
axali(i1,j1,suruch,0); axali(i2,j2,suruch,0); axali(i3,j3,suruch,0); axali(i4,j4,suruch,0);
i1=m1; j1=n1; i2=m2; j2=n2; i3=m3; j3=n3; i4=m4; j4=n4;
axali(i1,j1,sur,sh); axali(i2,j2,sur,sh); axali (i3,j3,sur,sh); axali(i4,j4,sur,sh);
}

function chavardes()
{
shua=shuavardna;
}

function extract(val)
{
if ((endOfCookie=document.cookie.indexOf(';',val))==-1)
{
endOfCookie=document.cookie.length;
}
return unescape(document.cookie.substring(val, endOfCookie));
}

function read(names)
{
var number=document.cookie.length;
var len=names.length;
var u=0;
var v;
while (u<=number)
{
v=u+len;
if (document.cookie.substring(u, v)==names)
return (extract(v));
u=document.cookie.indexOf(' ', u)+1;
if (u==0) break;
}
return (null);
}

shuadidi=shua;

coo=read('robest=');
if (coo == null)
{i20=22}
else
{i20=parseInt(coo)};

coo=read('cobest=');
if (coo == null)
{j10=11}
else
{j10=parseInt(coo)};

i19=i20-1; j9=j10-1; ij200=i20*j10;

for (l=1; l<=ij200; l++)
{
qvebi[l]=0;
}

if (dro != null)clearTimeout(dro);
if (dro2 != null)clearTimeout(dro2);

function ricxvi()
{
a=7*Math.random();
shemdegi=Math.ceil(a);
}

function axalish(ii,jj,ff)
{
l=(ii-1)*j10+jj; l1=l-1;
document.all['p'+l1].style.backgroundColor=ferebi[ff];
}

function axali(ii,jj,fil,ss)
{
l=(ii-1)*j10+jj;
if(qvebi[l] != ss)
{
qvebi[l]=ss; l1=l-1;
document.all['d'+l1].style.backgroundColor=fil;
}
}

function zemot()
{
self.focus();
document.forms[0].elements[0].value=' Click Start!';
i=Math.round((i20-18)/2);
document.forms[0].elements['rowsairchie'].options[i].selected=true;
j=j10-9;
document.forms[0].elements['columnsairchie'].options[j].selected=true;
cooknam='best2001'+i20+j10+'=';
coo=read(cooknam);
ldd=true;
sax=read('abest=');
if(sax==null)sax=''; nam='';
document.forms[1].elements[0].focus();
}

document.onkeydown = keyDown;

function keyDown(DnEvents)
{
k=window.event.keyCode;
if(k == 39){marjvniv()}
else
if(k == 37){marcxniv()}
else
if(k == 38){brunva()}
else
if(k == 40){chavardes()};
}

if(!document.all){alert('Sorry, this script works properly only in MS Internet Explorer'); close();}

function hlp()
{
alert(tx);
}

function abo()
{
alert(txabo);
}

//-->
</SCRIPT>

</HEAD>

<CENTER>
<TABLE CellPadding=6 CellSpacing=0 border=5 bgcolor=gray>
<TR>
<TD Align=center valign=top>
 <SCRIPT LANGUAGE="JavaScript">
 chacera (3);
</SCRIPT>

</TD>
<TD align=center>
<SCRIPT LANGUAGE="JavaScript">
chacera (i20);
</SCRIPT>
</TD>
</TR>
</TABLE>
</CENTER>