function clicked1(){ if(document.getElementById("td1").innerHTML === null) or; if(document.getElementById("td1").innerHTML === "X"){ document.getElementById("td1").innerHTML = "0";} else{ document.getElementById("td1").innerHTML = "X";} } function clicked2(){ if(document.getElementById("td2").innerHTML === null) or; if(document.getElementById("td2").innerHTML === "X"){ document.getElementById("td2").innerHTML = "0";} else{ document.getElementById("td2").innerHTML = "X";} } function clicked3(){ if(document.getElementById("td3").innerHTML === null) or; if(document.getElementById("td3").innerHTML === "X"){ document.getElementById("td3").innerHTML = "0";} else{ document.getElementById("td3").innerHTML = "X";} } function clicked4(){ if(document.getElementById("td4").innerHTML === null) or; if(document.getElementById("td4").innerHTML === "X"){ document.getElementById("td4").innerHTML = "0";} else{ document.getElementById("td4").innerHTML = "X";} } function clicked5(){ if(document.getElementById("td5").innerHTML === null) or; if(document.getElementById("td5").innerHTML === "X"){ document.getElementById("td5").innerHTML = "0";} else{ document.getElementById("td5").innerHTML = "X";} } function clicked6(){ if(document.getElementById("td6").innerHTML === null) or; if(document.getElementById("td6").innerHTML === "X"){ document.getElementById("td6").innerHTML = "0";} else{ document.getElementById("td6").innerHTML = "X";} } function clicked7(){ if(document.getElementById("td7").innerHTML === null) or; if(document.getElementById("td7").innerHTML === "X"){ document.getElementById("td7").innerHTML = "0";} else{ document.getElementById("td7").innerHTML = "X";} } function clicked8(){ if(document.getElementById("td8").innerHTML === null) or; if(document.getElementById("td8").innerHTML === "X"){ document.getElementById("td8").innerHTML = "0";} else{ document.getElementById("td8").innerHTML = "X";} } function clicked9(){ if(document.getElementById("td9").innerHTML === null) or; if(document.getElementById("td9").innerHTML === "X"){ document.getElementById("td9").innerHTML = "0";} else{ document.getElementById("td9").innerHTML = "X";} } function clicked10(){ if(document.getElementById("td10").innerHTML === null) or; if(document.getElementById("td10").innerHTML === "X"){ document.getElementById("td10").innerHTML = "0";} else{ document.getElementById("td10").innerHTML = "X";} } function clicked11(){ if(document.getElementById("td11").innerHTML === null) or; if(document.getElementById("td11").innerHTML === "X"){ document.getElementById("td11").innerHTML = "0";} else{ document.getElementById("td11").innerHTML = "X";} } function clicked12(){ if(document.getElementById("td12").innerHTML === null) or; if(document.getElementById("td12").innerHTML === "X"){ document.getElementById("td12").innerHTML = "0";} else{ document.getElementById("td12").innerHTML = "X";} } function clicked13(){ if(document.getElementById("td13").innerHTML === null) or; if(document.getElementById("td13").innerHTML === "X"){ document.getElementById("td13").innerHTML = "0";} else{ document.getElementById("td13").innerHTML = "X";} } function clicked14(){ if(document.getElementById("td14").innerHTML === null) or; if(document.getElementById("td14").innerHTML === "X"){ document.getElementById("td14").innerHTML = "0";} else{ document.getElementById("td14").innerHTML = "X";} } function clicked15(){ if(document.getElementById("td15").innerHTML === null) or; if(document.getElementById("td15").innerHTML === "X"){ document.getElementById("td15").innerHTML = "0";} else{ document.getElementById("td15").innerHTML = "X";} } function clicked16(){ if(document.getElementById("td16").innerHTML === null) or; if(document.getElementById("td16").innerHTML === "X"){ document.getElementById("td16").innerHTML = "0";} else{ document.getElementById("td16").innerHTML = "X";} }

Four In A Row Game