function setMenu(tablename){
	document.getElementById("sub1").style.display = "none" ;
	document.getElementById("sub2").style.display = "none" ;
	document.getElementById("sub3").style.display = "none" ;
	document.getElementById("sub4").style.display = "none" ;
	document.getElementById("sub5").style.display = "none" ;
	document.getElementById("sub6").style.display = "none" ;
	document.getElementById("sub7").style.display = "none" ;
	document.getElementById(tablename).style.display = "block" ;
}