[SOLVED] accessing array elements

[ninedoors]

I have a function that takes an input and writes that input to an html table cell.  I have 18 cells that the user inputs a number to.  What I want to is add the numbers the user inputs up  and write it to the final cell as a total.  z, y have been declared outside the function so they are global.  Here's the function:

 

function s (t){

var holes = [ "hole21","hole22","hole23","hole24","hole25","hole26","hole27","hole28","hole29","hole31","hole32","hole33","hole34","hole35","hole36","hole37","hole38","hole39" ];
var r = holes[z];
document.getElementById(r).innerHTML=t.innerHTML;
z++;
y += t.innerHTML;

if(r == 'hole29')	{
					document.getElementById('hole30').innerHTML=y;
					}
}

 

Where t is the user input(an integer), holes is the array of table cell ids where the user input values are being shown

 

My first thought was to just have a variable that would take would be say var y and then have something like y =y+t;

 

And have a running total, then when I reached the given cell that I wanted to put the total in (holes30) I could just write y to that cell.  Does that sound right?

 

I tried do that but I could get it to work any suggestions?

[ninedoors]

Here's the working code in case any one is interested

 

function s (t){

var holes = [ "hole21","hole22","hole23","hole24","hole25","hole26","hole27","hole28","hole29","hole31","hole32","hole33","hole34","hole35","hole36","hole37","hole38","hole39" ];
var r = holes[z];
document.getElementById(r).innerHTML=t.innerHTML;
var scores = new Array();

z++;

if(r == 'hole29')	{
					ftotal = 0;
					for(var i=0;i<9;i++)	
					{
					var u = holes[i];
					var p = document.getElementById(u).innerHTML;
					ftotal+=Number(p);
					}
					document.getElementById("hole30").innerHTML=ftotal;
					}

if(r == 'hole39')	{
					btotal = 0;
					total = 0;
					for(var i=9;i<18;i++)	
					{
					var u = holes[i];
					var p = document.getElementById(u).innerHTML;
					btotal+=Number(p);
					}
					document.getElementById("hole40").innerHTML=btotal;
					total = ftotal + btotal;
					document.getElementById("hole41").innerHTML=total;
					}
}