Sharing on how to implement JS control code pause_javascript skills

function Pause(obj, iMinSecond) {
if (window.eventList == null ) window.eventList = new Array();
var ind = -1;
for (var i = 0; i < window.eventList.length; i ) {
if (window.eventList[i] == null ) {
window.eventList[i] = obj;
ind = i;
break;
}
}
if (ind == -1) {
ind = window.eventList.length;
window.eventList[ind] = obj;
}
setTimeout( "GoOn(" ind ")" , iMinSecond );
}
function GoOn(ind) {
var obj = window.eventList[ind];
window.eventList[ind] = null;
if (obj.NextStep) obj .NextStep();
else obj();
}
function testJsStop() {
alert( "1");
Pause( this, 3000);
this. NextStep = function () {
alert( "2");
}
}

function pause(numberMillis) {
addcloud() ;
var dialogScript = 'window.setTimeout(' ' function () { $("#bgDiv").remove(); }, ' numberMillis ');';
var result = window.showModalDialog(' javascript:document.writeln(' '"