function ensureDisplay(id)
{
    var element = document.getElementById(id);
    if (element)
    {
        if (element.style.display  == "" || element.style.display != "block"){
            element.style.display = "block";
        }
    }
}
function ensureHide(id)
{
    var element = document.getElementById(id);
    if (element)
    {
        if (element.style.display  == "" || element.style.display != "none"){
            element.style.display = "none";
        }
    }
}

function togglePanel(id)
{
    var element = document.getElementById(id);
    if (element)
    {
        if (element.style.display  == "" || element.style.display != "none"){
            element.style.display = "none";
        }
        else{
            element.style.display = "block";
        }
    }
}
function dateControl_OnBlur(oDateChooser, dummy, oEvent){
	
	if (oDateChooser.getValue() == null)
	{
	    oDateChooser.setValue(null);
	    oDateChooser.setText('');
	}
}