function ShowDropDown(parentname,pagename)
{
	var obj=document.getElementById(pagename)
	if (obj!=null) {
		obj.style.display='block';
	}
}

function HideDropDown(parentname,pagename)
{
	var obj=document.getElementById(pagename)
	if (obj!=null) {
		obj.style.display='none';
		window.status='hide ' + pagename;
	}
}