function bodyload() {
    hideall();
    hideform('hidden');
    setgrp('hidden');
    doclick(document.getElementById('cmb_precfrom'), 'hid_precfrom');
    doclick(document.getElementById('cmb_precto'), 'hid_precto');
}

function hideall() {
    document.getElementById('div_precinct').style.visibility = 'hidden';
    document.getElementById('div_precinct').style.height = '0px'
    document.getElementById('div_district').style.visibility = 'hidden';
    document.getElementById('div_district').style.height = '0px'
    document.getElementById('rdo_nofilter').checked = true
}

function doclick(myid, ctrl) {
    var dropdownid = myid.value;
    var textbox = document.getElementById(ctrl);
    textbox.value = dropdownid;
}

function setgrp(status) {
    document.getElementById('chk_grp').style.visibility = status;
    document.getElementById('txt_chkgrp').style.visibility = status;
}

function daterdochange() {
    if (document.getElementById('rdo_dtno').checked == true) {
        document.getElementById('btnStart').disabled = false
    }
    if (document.getElementById('rdo_dtyes').checked == true) {
        document.getElementById('btnStart').disabled = true
    }
}

function hideform(status) {
    if (document.getElementById('cmbelectionlist').options[document.getElementById('cmbelectionlist').selectedIndex].value == 'NONE') {
        document.getElementById('myform').style.visibility = status;
    }
}

function datecheck() {
    if ((document.getElementById('txt_dt1').value.length > 0) && (document.getElementById('txt_dt2').value.length > 0))
        document.getElementById('btnStart').disabled = false
}

function isValidDateRange(source, arguments) {
    
    if ((document.getElementById('txt_dt1').value.length == 0))
        arguments.IsValid = true;
        
        if(new Date(arguments.Value) >= new Date(document.getElementById('txt_dt1').value))
            arguments.IsValid = true;
        else   
            arguments.IsValid = false;
    }