var ok = null; 
var formCour = null; 
var formNext = null; 
var cases = new Array(); 
var formes = new Array(); 
var niveau = 1; 
var point = 0; 
var ligne = 0; 
var pause = false; 
var fin = true; 
var coulForme = new Array("#81e7f5","#0eb16c","#404fff","#fcd836","#c681f5","#7ffd29","#ff0000"); 
formes[0] = new Array(-1,0,-1,1,0,1,0,2,-2,1,-1,1,-1,0,0,0,-1,0,-1,1,0,1,0,2,-2,1,-1,1,-1,0,0,0); 
formes[1] = new Array(0,0,0,1,-1,1,-1,2,-2,0,-1,0,-1,1,0,1,0,0,0,1,-1,1,-1,2,-2,0,-1,0,-1,1,0,1); 
formes[2] = new Array(-1,1,-1,2,0,1,0,2,-1,1,-1,2,0,1,0,2,-1,1,-1,2,0,1,0,2,-1,1,-1,2,0,1,0,2); 
formes[3] = new Array(0,2,0,1,0,0,-1,0,0,1,-1,1,-2,1,-2,2,-1,0,-1,1,-1,2,0,2,-2,1,-1,1,0,1,0,0); 
formes[4] = new Array(0,0,0,1,0,2,-1,2,-2,1,-1,1,0,1,0,2,-1,2,-1,1,-1,0,0,0,0,1,-1,1,-2,1,-2,0); 
formes[5] = new Array(0,0,0,1,0,2,0,3,-3,1,-2,1,-1,1,0,1,0,0,0,1,0,2,0,3,-3,1,-2,1,-1,1,0,1); 
formes[6] = new Array(-1,0,-1,1,-1,2,0,1,-2,1,-1,1,0,1,-1,0,0,2,0,1,0,0,-1,1,0,0,-1,0,-2,0,-1,1); 
var tailleCase = 15; 
var nbCaseX = 12; 
var nbCaseY = 22; 
var taille = tailleCase + (document.all?0:-2); 
var rebord = (document.all)?0:2; 
var posx,posy; 
var formCour, formSuiv; 
function cube(y,x,py,px,coul) 
{ 
this.el = document.createElement("div"); 
this.el.style.position = "absolute"; 
this.el.style.top = ((taille+rebord)*(y+py))+"px"; 
this.el.style.left = ((taille+rebord)*(x+px))+"px"; 
this.el.style.display = (y+py>=0)?"block":"none"; 
this.el.style.width = taille+"px"; 
this.el.style.height = taille+"px"; 
this.el.style.backgroundColor = coul; 
this.el.style.border="1px black solid"; 
this.el.style.fontSize = "0px"; 
} 
function forme(no,py,px,leDiv) 
{ 
var i,j; 
this.cubes = new Array(); 
this.rotation = 0; 
this.no = no; 
for (i =0, j=0;i<8;i = i+2,j++) 
{ 
this.cubes[j] = new cube(formes[no][i],formes[no][i+1],py,px,coulForme[no]) 
leDiv.appendChild(this.cubes[j].el); 
} 
} 
function deplacerForme(nbY, nbX, plusRotation,py,px) 
{ 
var i,j,x,y,rotation; 
rotation = (formCour.rotation + plusRotation); 
rotation = rotation<0?3:rotation>3?0:rotation; 
for (i =rotation*8,j=0;i<(rotation*8)+8;i = i+2,j++) 
{ 
y = formes[formCour.no][i] + py + nbY; 
x = formes[formCour.no][i+1] + px + nbX; 
if (x==-1 || y==nbCaseY || x==nbCaseX || (cases[y] && cases[y][x]!=null)) return false; 
} 
formCour.rotation = rotation; 
py = py + nbY; 
px = px + nbX; 
for (i =rotation*8,j=0;i<(rotation*8)+8;i = i+2,j++) 
{ 
y = (formes[formCour.no][i] + py); 
formCour.cubes[j].el.style.display = (y>=0)?"block":"none"; 
formCour.cubes[j].el.style.top = ((taille+rebord) * y)+"px"; 
formCour.cubes[j].el.style.left = ((taille+rebord) * (formes[formCour.no][i+1] + px))+"px"; 
} 
return true; 
} 
function initialiserJeux() 
{ 
var tbl,tb,cols,rows,row,col; 
bord = document.getElementById("jeux"); 
prochain = document.getElementById("next"); 
bord.style.width = tailleCase * nbCaseX; 
bord.style.height = tailleCase * nbCaseY; 
bord.style.backgroundColor = "#8f8f8f"; 
tbl = document.createElement("table"); 
tb= document.createElement("tbody"); 
tbl.appendChild(tb); 
tbl.cellSpacing="0"; 
tbl.cellPadding="0"; 
tbl.width = tailleCase * nbCaseX; 
tbl.height = tailleCase * nbCaseY; 
for (rows=0;rows<nbCaseY;rows++) 
{ 
row = document.createElement("TR"); 
for (cols=0;cols<nbCaseX;cols++) 
{ 
col = document.createElement("td"); 
col.className="caseTB"; 
col.innerHTML=" "; 
row.appendChild(col); 
} 
tbl.lastChild.appendChild(row); 
} 
bord.appendChild(tbl); 
document.key.down.focus(); 
document.key.down.onkeydown = verifierActionJoueur; 
} 
function nouvellePartie() 
{ 
var i; 
initCases(); 
if (formCour && !fin) 
{ 
for (i=0; i<4;i++) 
bord.removeChild(formCour.cubes[i].el); 
} 
posx = ((nbCaseX / 2)-2); 
posy = -1; 
vitesse = 650; 
niveau = 1; 
point = 0; 
ligne = 0; 
fin = false; 
formNext =new forme( Math.floor(Math.random()*formes.length),1,0,prochain); 
formCour =new forme( Math.floor(Math.random()*formes.length),posy,posx,bord); 
pts = setInterval("majPointage()",1000); 
setTimeout("partieEnCour()",vitesse); 
} 
function partieEnCour() 
{ 
var x,y,i,cols; 
if (!deplacerForme(1,0,0,posy,posx)) 
{ 
point = point + niveau; 
var Y = new Array(); 
for (i =formCour.rotation*8,j=0;i<(formCour.rotation*8)+8;i = i+2,j++) 
{ 
prochain.removeChild(formNext.cubes[j].el); 
y = formes[formCour.no][i] + posy; 
Y[Y.length] = y; 
x = formes[formCour.no][i+1] + posx; 
if (y>=0) 
{ 
cases[y][x] = formCour.cubes[j].el; 
} 
} 
Y.sort(); 
for (i=0;i<Y.length;i++) 
{ 
if (i==0 || ( i>0 && Y[i]!=Y[i-1])) 
{ 
for (cols=0;cols<nbCaseX;cols++) 
if (cases[Y[i]] && cases[Y[i]][cols]==null) break; 
if (cols==nbCaseX) enleverLignePleine(Y[i]); 
} 
} 
if (posy==-1) 
{ 
fin = true; 
clearTimeout(ok); 
clearInterval(pts); 
majPointage(); 
document.main.start.value = "COMMENCER"; 
alert("Terminé...Ouais...pas mal"); 
return;  }
posx = ((nbCaseX / 2)-2); 
posy = -1; 
formCour = new forme(formNext.no,posy,posx,bord); 
formNext = new forme( Math.floor(Math.random()*formes.length),1,0,prochain); 
} 
else 
{ 
posy++; 
} 
ok = setTimeout("partieEnCour()",vitesse); 
} 
function enleverLignePleine(y) 
{ 
ligne++; 
point = point + 100; 
niveau = Math.floor(ligne/5)+1; 
vitesse = 700 - (niveau * 65) 
var rows,cols; 
for (rows=y;rows>=0;rows--) 
for (cols=0;cols<nbCaseX;cols++) 
{ 
if (rows!=y) 
{ 
if (cases[rows][cols]!=null) 
cases[rows][cols].style.top = (cases[rows][cols].offsetTop + taille + rebord)+"px"; 
cases[rows+1][cols] = cases[rows][cols]; 
cases[rows][cols]= null; 
} 
else 
bord.removeChild(cases[rows][cols]); 
} 
} 
function initCases() 
{ 
var rows,cols; 
for (rows=0;rows<nbCaseY;rows++) 
{ 
if (!cases[rows]) cases[rows] = new Array(); 
for (cols=0;cols<nbCaseX;cols++) 
{ 
if (cases[rows][cols]) 
bord.removeChild(cases[rows][cols]); 
cases[rows][cols] = null; 
} 
} 
} 
function verifierActionJoueur(ev) 
{ 
if (pause) return; 
var keyPress = document.all?event.keyCode:ev.which; 
if (keyPress == 37) 
if (deplacerForme(0,-1,0,posy,posx)) posx--; 
if (keyPress == 39) 
if(deplacerForme(0,1,0,posy,posx)) posx++; 
if (keyPress == 38) deplacerForme(0,0,-1,posy,posx) 
if (keyPress == 40) deplacerForme(0,0,1,posy,posx) 
if (keyPress == 32) {while(deplacerForme(1,0,0,posy,posx)){posy++;point = point + niveau;}} 
} 
function majPointage() 
{ 
document.main.points.value = point; 
document.main.niveaux.value = niveau; 
document.main.lignes.value = ligne; 
} 
function topElement(e) 
{ 
return ((e && topElement != topElement.caller)?e.offsetTop:0) + ((e && e.offsetParent)?e.offsetParent.offsetTop + topElement(e.offsetParent):0); 
} 
function leftElement(e) 
{ 
return ((e && leftElement != leftElement.caller)?e.offsetLeft:0) + ((e && e.offsetParent)?e.offsetParent.offsetLeft + leftElement(e.offsetParent):0); 
} 
function help() 
{ 
var h = document.getElementById("aide"); 
var j = document.getElementById("posJeux"); 
h.style.top = topElement(j) 
h.style.left = leftElement(j) 
if (!pause && !fin) document.main.start.onclick(); 
h.style.display = "block" 
}