// JavaScript Document
function chngMenu(menu1,menu1param,menu2,menu2param){
	document.getElementById(menu1+"_"+menu1param).style.display='';
	document.getElementById(menu1+"_"+menu2param).style.display='none';
	document.getElementById(menu2+"_"+menu2param).style.display='';
	document.getElementById(menu2+"_"+menu1param).style.display='none';
}