// JavaScript Document
function abc(s) {
	if(s=="a"){
		document.getElementById("nextOption1").style.display="";
		document.getElementById("nextOption2").style.display="none";
		document.getElementById("nextOption3").style.display="none";
		document.getElementById("nextOption4").style.display="none";
	}else if(s=="b"){
		document.getElementById("nextOption1").style.display="none";
		document.getElementById("nextOption2").style.display="";
		document.getElementById("nextOption3").style.display="none";
		document.getElementById("nextOption4").style.display="none";
	}else if(s=="c"){
		document.getElementById("nextOption1").style.display="none";
		document.getElementById("nextOption2").style.display="none";
		document.getElementById("nextOption3").style.display="";
		document.getElementById("nextOption4").style.display="none";
	}else if(s=="d"){
		document.getElementById("nextOption1").style.display="none";
		document.getElementById("nextOption2").style.display="none";
		document.getElementById("nextOption3").style.display="none";
		document.getElementById("nextOption4").style.display="";
	}
}