function getPosTop(i,j){return 20+i*120}function getPosLeft(i,j){return 20+j*120}function getNumberBackgroundColor(number){switch(number){case 2:return"#eee4da";break;case 4:return"#eee4da";break;case 8:return"#f26179";break;case 16:return"#f59563";break;case 32:return"#f67c5f";break;case 64:return"#f65e36";break;case 128:return"#edcf72";break;case 256:return"#edcc61";break;case 512:return"#9c0";break;case 1024:return"#3365a5";break;case 2048:return"#09c";break;case 4096:return"#a6bc";break;case 8192:return"#93c";break}return"black"}function getNumberColor(number){if(number<=4){return"#776e65"}return"white"}function getScore(){document.getElementById("score").innerHTML=score}function nospace(board){for(var i=0;i<4;i++){for(var j=0;j<4;j++){if(board[i][j]==0){return false}}}return true}function canMoveLeft(board){for(var i=0;i<4;i++){for(var j=0;j<4;j++){if(board[i][j]!=0&&j!=0){if(board[i][j-1]==0||board[i][j-1]==board[i][j]){return true}}}}return false}function canMoveRight(board){for(var i=0;i<4;i++){for(var j=0;j<4;j++){if(board[i][j]!=0&&j!=3){if(board[i][j+1]==0||board[i][j+1]==board[i][j]){return true}}}}return false}function canMoveUp(board){for(var i=0;i<4;i++){for(var j=0;j<4;j++){if(board[i][j]!=0&&i!=0){if(board[i-1][j]==0||board[i-1][j]==board[i][j]){return true}}}}return false}function canMoveDown(board){for(var i=0;i<4;i++){for(var j=0;j<4;j++){if(board[i][j]!=0&&i!=3){if(board[i+1][j]==0||board[i+1][j]==board[i][j]){return true}}}}return false}function noBlockHorizontal(row,col1,col2,board){for(var i=col1+1;i<col2;i++){if(board[row][i]!=0){return false}}return true}function noBlockVertical(col,row1,row2,board){for(var i=row1+1;i<row2;i++){if(board[i][col]!=0){return false}}return true}function nomove(board){if(canMoveLeft(board)||canMoveRight(board)||canMoveUp(board)||canMoveDown(board)){return false}return true};