这个JS中的vote和disResult该如何引用才不会报错？

Question

var names=new Array(4);
names[0]="张三";
names[1]="李四";
names[2]="王五";
names[3]="赵六";

var i =''
function init(){
	for(i=0;i<names.length;i++){
		document.getElementById("names"+(i+1)).innerHTML=names[i];
	}
}
window.onload=init;
//得票函数
var tickets=new Array(4);
for(i=0;i<tickets.length;i++){
	tickets[i]=0;
}


//投票函数
function vote(who){
tickets[who]++;
	var disdiv=document.getElementById("div"+(who+1));
	disdiv.innerHTML=tickets[who];
	disdiv.style.width=tickets[who]*10
}
//查看投票结果函数
function disResult(){
	var max=tickets[0];
	var who=0;
	for(i=1;i<tickets.length;i++){
		if(tickets[i]>max){
			max=tickets[i];
			who=i;
		}
	}
	alert(names[who]+"得票数最高值为"+max);
}
	
window.onload=init;

 

Answer 1

	<input type="button" id="vote" value="张三" onclick="vote(0)" />
......
......
	<input type="button" value ="得票最高" onclick="disResult()" />