function o_pop(mid,smid) {	// open pop
	var mid_style = document.getElementById(mid).style;		// menu item style
	var smid_style = document.getElementById(smid).style;	// submenu style
	mid_style.cursor = 'pointer';
	mid_style.color = '#0077AA'
//	mid_style.backgroundColor = '#E0E0E0'
//	mid_style.border = '1px solid #A0A0A0';
	smid_style.visibility = 'visible';
	smid_style.border = '1px solid #003366';
	var is_mac_ie = false;
	if ( (navigator.userAgent.toUpperCase().indexOf("MAC") > -1)
		&& (navigator.appName.toUpperCase().indexOf("EXPLORER") > -1) ) is_mac_ie = true;

	if (is_mac_ie == true) return;

	switch(mid.substr(mid.length-1,1)) {	// shift submenues to the left
		case '0':	break;	// first menu item: leave where is
		case '4':	// right most menu item
					if (!is_mac_ie) smid_style.left = parseInt(document.getElementById(mid).offsetLeft) - 150 +"px";
					else smid_style.left = parseInt(document.getElementById(mid).offsetLeft) - 150+"px";
			break;
		default:	if (!is_mac_ie) smid_style.left = (parseInt(document.getElementById(mid).offsetLeft) - 87) +"px";
					else smid_style.left = (parseInt(document.getElementById(mid).offsetLeft) -87)+"px";
			break;
	}
	return;
}

function c_pop(mid,smid) {	// close pop
	var mid_style = document.getElementById(mid).style;
	var smid_style = document.getElementById(smid).style;
	mid_style.color = '#003366'
//	mid_style.cursor = 'pointer';
//	mid_style.backgroundColor = '#C0C0C0'
//	mid_style.border = '1px solid #C0C0C0';
	smid_style.visibility = 'hidden';
	return;
}