function nullify(objCombo) {
    if (objCombo) {
        var temp_objCombo = objCombo.options.length;
        for (var i = temp_objCombo; i > 0; i--) {
            objCombo.remove(i);
        }
    }
}

function openWin( windowURL, windowName, windowFeatures ) { 
	var newWindow;
	newWindow = window.open( windowURL, windowName, windowFeatures ) ; 
	newWindow.focus();
}

function EvalJavaScript(obj) {
    var objScr = obj.getElementsByTagName("script");
    for (var i = 0; i < objScr.length; i++) {
        eval(objScr[i].innerHTML);
    }
}

function openPeriod() {
    document.getElementById('tr_daterange').style.display = 'none';
    document.getElementById('tr_period').style.display = 'block';
}

function openDateRange() {
    document.getElementById('tr_daterange').style.display = 'block';
    document.getElementById('tr_period').style.display = 'none';
}

function openProgram1() {
    if (document.getElementById('tr_Program1').style.display == 'none') {
        document.getElementById('tr_Program2').style.display = 'none';
        document.getElementById('tr_Program1').style.display = 'block';
    }
    else {
        document.getElementById('tr_Program2').style.display = 'none';
        document.getElementById('tr_Program1').style.display = 'none';
    }

}

function openProgram2() {
    if (document.getElementById('tr_Program2').style.display == 'none') {
        document.getElementById('tr_Program1').style.display = 'none';
        document.getElementById('tr_Program2').style.display = 'block';
    }
    else {
        document.getElementById('tr_Program2').style.display = 'none';
        document.getElementById('tr_Program1').style.display = 'none';
    }

}

function openStand(url) {
    var newWin
    newWin = window.open(url, "email", "toolbar=0,scrollbars=1,status=0,menubar=0,resizable=1,location=0,width=700,height=500");
    newWin.focus()
}