for(;;) {здесь все твои сайты и краны (или скрипты, или что там  тебя ) }

<div class="x-small-filterEle filterElement" id="d988CommunalServicesVolumeGrid-1559-filter-gridcolumn-1570">
<div class="x-panel x-panel-default x-border-box" style="padding: 3px; height: 30px;" id="panel-1603">
<div style="left: 0px; top: 0px; width: 119px; height: 24px;" id="panel-1603-body" class="x-panel-body x-panel-body-default x-panel-body-default x-noborder-trbl">
<span id="panel-1603-outerCt" style="display: table; width: 100%; table-layout: fixed;">
<div id="panel-1603-innerCt" style="display:table-cell;height:100%;vertical-align:top;" class="">
<table style="table-layout: fixed; width: 119px; margin-bottom: 0px;" class="x-field x-table-plain x-form-item x-form-type-text x-field-default x-anchor-form-item" id="comboReferenceBook-1561" cellpadding="0">
<tbody><tr role="presentation" id="comboReferenceBook-1561-inputRow" class="x-form-item-input-row">
<td role="presentation" id="comboReferenceBook-1561-labelCell" style="display:none;" halign="left" class="x-field-label-cell" valign="top" width="105">
<label id="comboReferenceBook-1561-labelEl" for="comboReferenceBook-1561-inputEl" class="x-form-item-label x-unselectable x-form-item-label-left" style="width:100px;margin-right:5px;" unselectable="on">
</label>
</td>
<td style="width: 100%;" role="presentation" class="x-form-item-body" id="comboReferenceBook-1561-bodyEl" colspan="3">
<table style="width: 100%; table-layout: fixed;" id="comboReferenceBook-1561-triggerWrap" class="x-form-trigger-wrap" cellpadding="0" cellspacing="0">
<tbody>
<tr>
<td style="width: 100%;" id="comboReferenceBook-1561-inputCell" class="x-form-trigger-input-cell"><div id="ext-gen2813" class="x-hide-display x-form-data-hidden" role="presentation">
</div>
<input style="width: 100%;" aria-invalid="false" id="comboReferenceBook-1561-inputEl" class="x-form-field x-form-text  x-trigger-noedit" autocomplete="off" name="comboReferenceBook-1561-inputEl" readonly="readonly" type="text">
</td>
<td id="ext-gen2812" class=" x-trigger-cell x-unselectable" style="width:22px;" valign="top"><div id="ext-gen2811" class="x-trigger-index-0 x-form-trigger x-form-arrow-trigger x-form-trigger-first" role="button">
</div>
</td>
</tr>
</tbody>
</table>
</td>
<td role="presentation" id="comboReferenceBook-1561-sideErrorCell" style="display: none;" valign="middle" width="21">
<div data-errorqtip="" role="presentation" id="comboReferenceBook-1561-errorEl" class="x-form-error-msg x-form-invalid-icon" style="display:none">
</div>
</td>
</tr>
</tbody>
</table>
</div>
</span>
</div>
</div>
</div>


....



<div style="right: auto; left: 318px; top: 198px; z-index: 19001; width: 119px; height: 300px; display: none;" tabindex="-1" class="x-boundlist x-boundlist-floating x-layer x-boundlist-default x-border-box" id="boundlist-1610">
<div id="boundlist-1610-listEl" class="x-boundlist-list-ct x-unselectable" style="overflow: auto; height: 299px;">
<ul class="x-list-plain">
<li role="option" unselectable="on" class="x-boundlist-item">Компонент на тепловую энергию для ГВС</li>
<li role="option" unselectable="on" class="x-boundlist-item">Не заполнено</li>
<li role="option" unselectable="on" class="x-boundlist-item">Холодное водоснабжение</li>
<li role="option" unselectable="on" class="x-boundlist-item">Горячее водоснабжение</li>
<li role="option" unselectable="on" class="x-boundlist-item">Водоотведение</li>
<li role="option" unselectable="on" class="x-boundlist-item">Электроснабжение</li>
<li role="option" unselectable="on" class="x-boundlist-item">Отопление</li>
<li role="option" unselectable="on" class="x-boundlist-item">Газоснабжение</li>
<li role="option" unselectable="on" class="x-boundlist-item">Обращение с твердыми коммунальными отходами</li>
<li role="option" unselectable="on" class="x-boundlist-item">Холодная вода для нужд ГВС</li>
<li role="option" unselectable="on" class="x-boundlist-item">Тепловая энергия для подогрева холодной воды для нужд ГВС</li>
<li role="option" unselectable="on" class="x-boundlist-item">Газоснабжение для подогрева холодной воды для нужд ГВС</li>
<li role="option" unselectable="on" class="x-boundlist-item">Компонент на теплоноситель для ГВС</li></ul></div></div>

var file = 'file.txt';
for (i=1;;i++) {
    iimPlayCode('SET !DATASOURCE '+file+' \n SET !DATASOURCE_LINE '+i+' \n SET !EXTRACT {{!COL1}}');
}

var file = 'proxy.txt';    

for (i=1;;i++) {
    if(!(i%10)) {
        iimPlayCode('SET !DATASOURCE '+file+' \n SET !DATASOURCE_LINE '+i+' \n SET !EXTRACT {{!COL1}}');
        proxy = iimGetLastExtract().split(':')
        var ip   =  proxy[0]
        var port =  proxy[1]
        var prefs = Components.classes["@mozilla.org/preferences-service;1"].getService(Components.interfaces.nsIPrefBranch);
        prefs.setIntPref("network.proxy.type", 1);
        prefs.setBoolPref("network.proxy.share_proxy_settings", true);
        prefs.setCharPref("network.proxy.http", ip);
        prefs.setIntPref("network.proxy.http_port", port);
    
        iimPlayCode('pause');
    }
}

var file = 'proxy.txt';    

for (i=1;;i++) {
        iimPlayCode('SET !DATASOURCE '+file+' \n SET !DATASOURCE_LINE '+i+' \n SET !EXTRACT {{!COL1}}');
        proxy = iimGetLastExtract().split(':')
        var ip   =  proxy[0]
        var port =  proxy[1]
        var prefs = Components.classes["@mozilla.org/preferences-service;1"].getService(Components.interfaces.nsIPrefBranch);
        prefs.setIntPref("network.proxy.type", 1);
        prefs.setBoolPref("network.proxy.share_proxy_settings", true);
        prefs.setCharPref("network.proxy.http", ip);
        prefs.setIntPref("network.proxy.http_port", port);
    
        iimPlayCode('pause');
    
}