Javascript editing

[tony.coner]

CODE
function append_money(){
var iTD = document.getElementsByTagName('TD');
for(i=0;i<iTD.length;i++){
if(iTD[i].className=="row1" && iTD[i].getAttribute('width') == "150" && iTD[i].innerHTML.match(/posts: (\d+)/i) != null){
var iPosts = RegExp.$1
var iMoney = iPosts * 15;
iTD[i].getElementsByTagName('SPAN')[1].innerHTML += "<br />Cash: $" + iMoney;
}
}
}

window.onload = append_money;



I need to edit the name of the currency and the currency it is ie $ or £.

and i Need to edit the amount of virtual money you get per post.

Help!