function clearFormField(frm, fld, dft){
	if (document.forms[frm].elements[fld].value == dft)
		{
		document.forms[frm].elements[fld].value = '';
		}
}

function openwindow (url) {
       window.open(url,'_blank','toolbar=no,modal=yes,location=no,status=no,menubar=no,scrollbars=no,resizable=no,width=720,height=540');
}

function showSubmenu(mnt)
{
//	if (activeSubmenu != mnt) { hideActiveSubmenu(); }
	if ((activeSubmenu != mnt) && (activeSubmenu)) { hideSubmenu(activeSubmenu); }
	if (document.layers) { document.layers[mnt].visibility = 'visible'; }
	else if (document.all) { document.all[mnt].style.visibility = 'visible'; }
	else if (document.getElementById) { document.getElementById(mnt).style.visibility = 'visible'; }
	activeSubmenu = mnt;
}

function hideSubmenu(mnt)
{
	if (document.layers) { document.layers[mnt].visibility = 'hidden'; }
	else if (document.all) { document.all[mnt].style.visibility = 'hidden'; }
	else if (document.getElementById) { document.getElementById(mnt).style.visibility = 'hidden'; }
}

function hideActiveSubmenu()
{
	if (activeSubmenu)
	{
		if (document.layers)
		{
			if (document.layers[activeSubmenu]) { document.layers[activeSubmenu].visibility = 'hidden'; }
		}
		else if (document.all)
		{
			if (document.all[activeSubmenu]) { document.all[activeSubmenu].style.visibility = 'hidden'; }
		}
		else if (document.getElementById(activeSubmenu)) { document.getElementById(activeSubmenu).style.visibility = 'hidden'; }
	activeSubmenu = null;
	}
}