function show_menu(arg){
		if (arg==1){			
			document.all.adjust_manage_menu.style.display = "block" ;
		}else if (arg==2){
			document.all.sell_manage_menu.style.display = "block" ;
		}else if (arg==3){
			document.all.help_menu.style.display = "block" ;
		}
		
	}
	function hide_menu(arg){
		if (arg==1){
			document.all.adjust_manage_menu.style.display = "none" ;
		}else if (arg==2){
			document.all.sell_manage_menu.style.display = "none" ;
		}else if (arg==3){
			document.all.help_menu.style.display = "none" ;
		}
	}
	function paging(obj, pageNum){
		obj.pageNum.value = pageNum;
		obj.submit();
	}