//<!--
//assume w3c_dom is already defined via. "basic.js"

var loading_interval;
var interval_count = 0;

function report_feedback(str_source_cntrl)
{
    if(w3c_dom) 
    {
        document.getElementById(str_source_cntrl).innerHTML = "&nbsp;&nbsp;Preparing report";
        loading_interval = setInterval("addto_feedback('" + str_source_cntrl + "')", 150);
    }
}
function addto_feedback(str_source_cntrl)
{
    if(interval_count > 20)
    {
        document.getElementById(str_source_cntrl).innerHTML = "&nbsp;&nbsp;Preparing report";
        interval_count = 0;
    }
    else document.getElementById(str_source_cntrl).innerHTML += ".";
    interval_count++;
}
function clear_report_feedback()
{
    if(w3c_dom) 
    {
        clearInterval(loading_interval);
        document.getElementById("denImgFeedback").innerHTML = "";
        document.getElementById("airSumFeedback").innerHTML = "";
        document.getElementById("allParamFeedback").innerHTML = "";
        document.getElementById("oneParamFeedback").innerHTML = "";
        document.getElementById("vsiFeedback").innerHTML = "";
        document.getElementById("aqiFeedback").innerHTML = "";
        document.getElementById("calFeedback").innerHTML = "";
        document.getElementById("maxFeedback").innerHTML = "";
    }
}
//-->