var Currency = {
    loadedArray: [],
    headIndex: null,
    get: function(forData){
        var params = "lang="+Settings.lang+"&date="+Azertag.currentDate;
        ajaxRequest("/jsp/AGetCurrency.jsp",params,Currency.afterGet);
    },
    afterGet: function(originalRequest){ 
        Currency.loadedArray.length = 0;
	var doc = originalRequest.responseXML;
        if (doc == null) return; 
        var units = doc.getElementsByTagName('unit');
        if(units.length){
            for(j=0; j<units.length; j++){
                var curr = units[j].firstChild.nodeValue;
		var azm = units[j].getAttribute('azm')
		Currency.loadedArray[Currency.loadedArray.length] = {currency:curr, azm:azm};	
            }
	}
	Currency.drawCurrency(0);	
    },
    drawCurrency: function(index){
        /*if(Currency.headIndex == 0) 
            $('prevc').style.display = 'none'; 
        else 
            $('prevc').style.display = 'block';
        if(Settings.currency+index == Currency.loadedArray.length)
            $('nextc').style.display = 'none';
        else 
            $('nextc').style.display = 'block';
        */    
        if(index >= Currency.loadedArray.length || index < 0) 
            return;
        var outHTML = '<table width="205px"  border="0" cellpadding="5" cellspacing="0">';
        var limit = Settings.currency+index;
        if(limit > Currency.loadedArray.length) limit = Currency.loadedArray.length
        for(i = index; i<limit; i++){
            var azm = Currency.loadedArray[i].azm;
            var oazm;
            if(azm == "") oazm = azm = '-';
            else oazm = azm*5000;
            outHTML += '<tr>'+
                            '<td class="weatherText" width="130px"><ul><li><nobr>'+Currency.loadedArray[i].currency+'</nobr></li></ul></td>'+
                            '<td style="width:10px;"></td><td ><div class="weatherText">'+azm+'</div></td>'+
                       '</tr>'+
                       '<tr><td colspan="3"  class="art-Spliter"></td></tr>';
        }
        outHTML += '</table>';
        $('currency').innerHTML = outHTML;
        Currency.headIndex = index;
    },
    next: function(){
            Currency.drawCurrency(Currency.headIndex+Settings.currency);
    },
    prior: function(){
            Currency.drawCurrency(Currency.headIndex-Settings.currency);
    }
}