//To set Focus on any Control
function setFocus(id)
{
    document.getElementById(id).focus();
}

//Display message to user...
function displayMessage(msg)
{
    alert(msg);
   
}

//Display confirm message...
function confirmMessage(msg)
{
    return confirm(msg);
}

function CheckChange(checked, divID, subdivID) {
    var objDiv = document.getElementById("ctl00_ContentPlaceHolder4_" + divID);

    if (objDiv) {
        if (checked)
            objDiv.style.display = "inline";
        else
            objDiv.style.display = "none";
    }
}

//visible, invisible
function showObject(pID, opt) {
    if (document.getElementById(pID)) {
        if (opt == 1)
            document.getElementById(pID).style.visibility = "hidden";
        else
            document.getElementById(pID).style.visibility = "visible";
    }
}

function showDivObject(id, opt) {
    if (opt == 1)
        document.getElementById(id).style.display = "none";
    else {
        document.getElementById(id).style.display = "block";
   }
}
//To disable a control
function disable(pID,opt)
{ 
    if(opt==1)
        document.getElementById(pID).disabled = true;
    else
        document.getElementById(pID).disabled = false;        
}

//To make readonly
function changeReadOnly(id, opt)
{
    if(opt==1)
        document.getElementById(id).readOnly="readonly";
    else    
        document.getElementById(id).setAttribute("value", "readonly");
}

//To change background and border color
function changetheme(id, opt)
{
    if(opt==1)
    {
        document.getElementById(id).readOnly="readonly";
        document.getElementById(id).style.backgroundColor='#ffffff';
        document.getElementById(id).style.border='#ffffff';
    }
    else
    {
        document.getElementById(id).readOnly="none";
        document.getElementById(id).style.backgroundColor='#ffffff';
        document.getElementById(id).style.border='#ffffff';
    }
}

function ConfirmReminder()
{
    if (confirmMessage('Are you sure you want to send a reminder email to all registered volunteers of this event now?') == true)
        return true;
    else
        return false;
}