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Lights Out
Try to eliminate all the boxes to win. When you check a box, all the squares around it (one above, one below, and one to each side) are unselected. You can play in five different levels of difficulty. Addictive!
level 1
level 2
level 3
level 4
level 5
Insert into <HEAD>
<SCRIPT LANGUAGE="JavaScript"> <!-- Original: Andrew Gacek (andrew@dgi.net) --> <!-- Begin function fillall() { for (var i = 0; i < 24; i++) { document.lightsform.elements[i].checked=1; } } function clearall() { for (var i = 0; i < 24; i++) { document.lightsform.elements[i].checked=0; } } function level1() { clearall(); document.lightsform.elements[10].checked=1; document.lightsform.elements[12].checked=1; document.lightsform.elements[14].checked=1; } function level2() { clearall(); document.lightsform.elements[12].checked=1; document.lightsform.elements[16].checked=1; document.lightsform.elements[17].checked=1; document.lightsform.elements[18].checked=1; document.lightsform.elements[20].checked=1; document.lightsform.elements[21].checked=1; document.lightsform.elements[22].checked=1; document.lightsform.elements[23].checked=1; document.lightsform.elements[24].checked=1; } function level3() { fillall(); document.lightsform.elements[4].checked=0; document.lightsform.elements[6].checked=0; document.lightsform.elements[7].checked=0; document.lightsform.elements[8].checked=0; document.lightsform.elements[11].checked=0; document.lightsform.elements[12].checked=0; document.lightsform.elements[13].checked=0; document.lightsform.elements[16].checked=0; document.lightsform.elements[17].checked=0; document.lightsform.elements[18].checked=0; document.lightsform.elements[24].checked=0; } function level4() { clearall(); document.lightsform.elements[2].checked=1; document.lightsform.elements[6].checked=1; document.lightsform.elements[8].checked=1; document.lightsform.elements[10].checked=1; document.lightsform.elements[12].checked=1; document.lightsform.elements[14].checked=1; document.lightsform.elements[16].checked=1; document.lightsform.elements[18].checked=1; document.lightsform.elements[22].checked=1; } function level5() { clearall(); document.lightsform.elements[11].checked=1; document.lightsform.elements[16].checked=1; document.lightsform.elements[21].checked=1; } function checkall() { var win=1; for (var i = 0; i < 24; i++) { if (document.lightsform.elements[i].checked==1) { win=0; } } if (win==1){ alert("\nYou Won!!\n") } } function check(v){ q=5; w=1; row=parseInt(v/q)+w; if (isNaN(row)) { row=1; } intv = parseInt(v); a=eval(intv+q); b=eval(intv-q); c=eval(intv+w); d=eval(intv-w); if (a<0 || a>24){ a=25; } if (b<0 || b>24){ b=25; } if (c<0 || c>24){ c=25; } if (d<0 || d>24){ d=25; } kc = (parseInt(c/q)+w) kd = (parseInt(d/q)+w) kv = row; if (kc != kv){ c=25; } if (kd != kv){ d=25; } if (v==5) d=25; // correction for strange bug if (document.lightsform.elements[a].checked == 1) { document.lightsform.elements[a].checked=0; } else { document.lightsform.elements[a].checked=1; } if (document.lightsform.elements[b].checked == 1) { document.lightsform.elements[b].checked=0; } else { document.lightsform.elements[b].checked=1; } if (document.lightsform.elements[c].checked == 1) { document.lightsform.elements[c].checked=0; } else { document.lightsform.elements[c].checked=1; } if (document.lightsform.elements[d].checked == 1) { document.lightsform.elements[d].checked=0; } else { document.lightsform.elements[d].checked=1; } checkall(); } // End --> </script> </HEAD>
Insert into <BODY>
<center> <form name=lightsform> <table colspec="l20 l20 l20 l20 l20" border=7> <tr> <td><input type=checkbox value=0 onClick="check(value)"></td> <td><input type=checkbox value=1 onClick="check(value)"></td> <td><input type=checkbox value=2 onClick="check(value)"></td> <td><input type=checkbox value=3 onClick="check(value)"></td> <td><input type=checkbox value=4 onClick="check(value)"></td> </tr> <tr> <td><input type=checkbox value=5 onClick="check(value)"></td> <td><input type=checkbox value=6 onClick="check(value)"></td> <td><input type=checkbox value=7 onClick="check(value)"></td> <td><input type=checkbox value=8 onClick="check(value)"></td> <td><input type=checkbox value=9 onClick="check(value)"></td> </tr> <tr> <td><input type=checkbox value=10 onClick="check(value)"></td> <td><input type=checkbox value=11 onClick="check(value)"></td> <td><input type=checkbox value=12 onClick="check(value)"></td> <td><input type=checkbox value=13 onClick="check(value)"></td> <td><input type=checkbox value=14 onClick="check(value)"></td> </tr> <tr> <td><input type=checkbox value=15 onClick="check(value)"></td> <td><input type=checkbox value=16 onClick="check(value)"></td> <td><input type=checkbox value=17 onClick="check(value)"></td> <td><input type=checkbox value=18 onClick="check(value)"></td> <td><input type=checkbox value=19 onClick="check(value)"></td> </tr> <tr> <td><input type=checkbox value=20 onClick="check(value)"></td> <td><input type=checkbox value=21 onClick="check(value)"></td> <td><input type=checkbox value=22 onClick="check(value)"></td> <td><input type=checkbox value=23 onClick="check(value)"></td> <td><input type=checkbox value=24 onClick="check(value)"></td> </tr> </table> <br> <table border=1> <tr> <td><a href="javascript:level1()">level 1</a></td> <td><a href="javascript:level2()">level 2</a></td> </tr> <tr> <td><a href="javascript:level3()">level 3</a></td> <td><a href="javascript:level4()">level 4</a></td> </tr> <tr> <td><a href="javascript:level5()">level 5</a></td> <td><input type="reset" value="clear"></td> </tr> </table>
Other Options