var currentMenu = 1;
function setMenuSelect(menu_num){
	for(var i=1;i<=6;i++){
		if(i!=menu_num&&document.getElementById("menu0"+i)!=null){
			document.getElementById("menu0"+i).style.display="none";
		}
		else if(i==menu_num&&document.getElementById("menu0"+i)!=null){
			document.getElementById("menu0"+menu_num).style.display="block";
		}else{
			break;
		}
	}
	currentMenu = menu_num;
}
var currentLeftMenu = 1;
function showLeftMenu(menu_num){
		for(var i=1;i<=6;i++){
		if(i!=menu_num&&document.getElementById("showMenu"+i)!=null){
			document.getElementById("showMenu"+i).style.display="none";
		}
		else if(i==menu_num&&document.getElementById("showMenu"+i)!=null){
			document.getElementById("showMenu"+menu_num).style.display="block";
		}else{
			break;
		}
	}
	currentLeftMenu = menu_num;
}