// JavaScript Document
var submenu=new Array();
var submenuOld=new Array();
var submenuFlag=false; //not hilight menu

function preloadSubmenu(){
	for(var i=0;i<7;i++){
		submenuOld[i]=new Image();	
		submenu[i]=new Image();
	}
	submenuOld[0].src="images/submenu/1children.jpg";
	submenuOld[1].src="images/submenu/1lifestyle.jpg";
	submenuOld[2].src="images/submenu/1people.jpg";
	submenuOld[3].src="images/submenu/1place.jpg";
	submenuOld[4].src="images/submenu/1other.jpg";
	submenuOld[5].src="images/submenu/1addPhoto.jpg";
	submenuOld[6].src="images/submenu/1sleepingInBkk.jpg";
	
	submenu[0].src="images/submenu/2children.jpg";
	submenu[1].src="images/submenu/2lifestyle.jpg";
	submenu[2].src="images/submenu/2people.jpg";
	submenu[3].src="images/submenu/2place.jpg";
	submenu[4].src="images/submenu/2other.jpg";
	submenu[5].src="images/submenu/2addPhoto.jpg";
	submenu[6].src="images/submenu/2sleepingInBkk.jpg";
}
function swapSubmenu(id,num){
	var swapIt=document.getElementById(id);
	if(submenuFlag==false){
		swapIt.src=submenu[num].src;
	}else{
		swapIt.src=submenuOld[num].src;
	}
	submenuFlag=!submenuFlag;
	return;
}