var menuMapping = [
					["menu01","res/home_button_02.png"],
					["menu02","res/about_ariux_button_02.png"],
					["menu03","res/services_button_02.png"],
					["menu04","res/download_button_02.png","submenu04"],
					["menu05","res/FAQ_button_02.png"],
					["menu06","res/contact_us_button_02.png","submenu06"],
					["submenu_04_01","res/pd_AR_demo_02.png"],
					["submenu_04_02","res/pd_ISDemo_02.png"],
					["submenu_06_01","res/contact1_dropdown2.png"],
					["submenu_06_02","res/contact2_dropdown2.png"]
					];
var menu2Mapping = [
					["menu201","res/index_button_a_02.png"],
					["menu202","res/index_button_b_02.png"],
					["menu203","res/index_button_c_02.png"],
					["menu204","res/index_button_d_02.png"]
					];

function showSubMenu(submenuid){
	//setTimeout("scroll();", 2000);
	document.getElementById(submenuid).style.display="block";
}

function hideSubMenu(submenuid){
	document.getElementById(submenuid).style.display="none";
}
					
function initMenu(){
	for(var i=0;i<menuMapping.length;i++){
		MM_preloadImages(menuMapping[i][1]);
		var menuitem = document.getElementById(menuMapping[i][0]);		
		if(menuitem){
			var menuid = menuMapping[i][0];
			var menuimg = menuMapping[i][1];
			if(menuMapping[i].length>2){
				menuitem.onmouseover = new Function('MM_swapImage("'+menuid+'","","'+menuimg+'",1);showSubMenu("'+menuMapping[i][2]+'");');
				menuitem.onmouseout = new Function('MM_swapImgRestore();hideSubMenu("'+menuMapping[i][2]+'");');
				
				var submenu = document.getElementById(menuMapping[i][2]);
				submenu.style.display="none";
				submenu.onmouseover = new Function('showSubMenu("'+menuMapping[i][2]+'");');
				submenu.onmouseout = new Function('hideSubMenu("'+menuMapping[i][2]+'");');
				
			} else {
				menuitem.onmouseover = new Function('MM_swapImage("'+menuid+'","","'+menuimg+'",1);hideSubMenu("'+menuMapping[i][2]+'");');
				menuitem.onmouseout = new Function('MM_swapImgRestore();hideSubMenu("'+menuMapping[i][2]+'");');
			}
		}
	}
}

function initMenu2(){
	for(var i=0;i<menu2Mapping.length;i++){
		MM_preloadImages(menu2Mapping[i][1]);
		var menuitem = document.getElementById(menu2Mapping[i][0]);		
		if(menuitem){
			var menuid = menu2Mapping[i][0];
			var menuimg = menu2Mapping[i][1];
			menuitem.onmouseover = new Function('MM_swapImage("'+menuid+'","","'+menuimg+'",1);');
			menuitem.onmouseout = new Function('MM_swapImgRestore()');
		}
	}
}