Reduce Comment Script

if ( ! attachOnLoadHandler(function () { rComm();})) window.onload = function () { rComm();};
function rComm() {
CHOOSECOMM.init();
}

if (typeof CHOOSECOMM == "undefined") { CHOOSECOMM = {}; }
CHOOSECOMM = {
comm: [],

elements: {
mainid: document.getElementById("content_18"),
maintag: "DIV",
mainclass: "fitem1wrapper"
},

init: function() {
this.comm = this.getElementsByClassName(this.elements.mainid,this.elements.maintag,this.elements.mainclass);
for(var x=4; x<this.comm.length;x++) {
if(this.comm[x].innerHTML) {
this.comm[x].parentNode.removeChild(this.comm[x]);
}
}
},

getElementsByClassName: function(oElm,sTag,sClass) {
var elm = [];
if (oElm === null)oElm = document;
if (sTag === null)sTag = "*";
var els = oElm.getElementsByTagName(sTag) || document.all;
for (var j=0,k=els.length;j<k;j++) {
if (new RegExp(sClass).test(els[j].className))elm.push(els[j]);
}
return elm;
}
};