function showsubmenu(value){
	for (var ii = 0; ii <= 10; ii++){
		var mainbav = document.getElementById("mainbav" + ii);
		var submenu = document.getElementById("submenu" + ii);
		if( mainbav == null ) break;
		if(ii == value){
			submenu.style.display="block";
                             
		}else if(ii != value){
			submenu.style.display="none";
		}
	}
}