function show(menuID,menuPos){

	document.all[menuID].style.visibility = 'visible';
	document.all[menuID].style.left = document.all[menuPos].offsetLeft + document.all['mainmenu'].offsetLeft + 170;
	document.all[menuID].style.top = document.all[menuPos].offsetTop + document.all['mainmenu'].offsetTop;
}
function hide(menuID){

	document.all[menuID].style.visibility = 'hidden';
}