function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = true;
function preloadMenu_blue() {
	if (document.images) {
		mb1 = newImage("images/menu_tab/tab_welcome_over.jpg");
		mb2 = newImage("images/menu_tab/tab_search_over.jpg");
		mb3 = newImage("images/menu_tab/tab_living_over.jpg");
		mb4 = newImage("images/menu_tab/tab_member_over.jpg");
		mb5 = newImage("images/menu_welcome/sbtn_services_over.jpg");
		mb6 = newImage("images/menu_welcome/sbtn_team_over.jpg");
		mb7 = newImage("images/menu_welcome/sbtn_company_over.jpg");
		mb8 = newImage("images/menu_welcome/sbtn_hotpick_over.jpg");
		mb9 = newImage("images/menu_welcome/sbtn_highlight_over.jpg");
		mb10 = newImage("images/menu_welcome/sbtn_contact_over.jpg");
		omb1 = newImage("images/menu_tab/tab_welcome.jpg");
		omb2 = newImage("images/menu_tab/tab_search.jpg");
		omb3 = newImage("images/menu_tab/tab_living.jpg");
		omb4 = newImage("images/menu_tab/tab_member_over.jpg");
		omb5 = newImage("images/menu_welcome/sbtn_services.jpg");
		omb6 = newImage("images/menu_welcome/sbtn_team.jpg");
		omb7 = newImage("images/menu_welcome/sbtn_company.jpg");
		omb8 = newImage("images/menu_welcome/sbtn_hotpick.jpg");
		omb9 = newImage("images/menu_welcome/sbtn_highlight.jpg");
		omb10 = newImage("images/menu_welcome/sbtn_contact.jpg");
		tb1 = newImage("images/bluetab_bg.jpg");
		tb2 = newImage("images/bluetab_left.jpg");
		tb3 = newImage("images/bluetab_right.jpg");
		
		preloadFlag = true;
	}
}
function preloadMenu_red() {
	if (document.images) {
		mr1 = newImage("images/menu_tab/tab_welcome_over.jpg");
		mr2 = newImage("images/menu_tab/tab_search_over.jpg");
		mr3 = newImage("images/menu_tab/tab_living_over.jpg");
		mb4 = newImage("images/menu_tab/tab_member_over.jpg");
		mr5 = newImage("images/menu_search/sbtn_rent_over.jpg");
		mr6 = newImage("images/menu_search/sbtn_apartment_over.jpg");
		mr7 = newImage("images/menu_search/sbtn_distance_over.jpg");
		mr8 = newImage("images/menu_search/sbtn_school_over.jpg");
		mr9 = newImage("images/menu_search/sbtn_contact_over.jpg");
		omr1 = newImage("images/menu_tab/tab_welcome.jpg");
		omr2 = newImage("images/menu_tab/tab_search.jpg");
		omr3 = newImage("images/menu_tab/tab_living.jpg");
		omb4 = newImage("images/menu_tab/tab_member_over.jpg");
		omr5 = newImage("images/menu_search/sbtn_rent.jpg");
		omr6 = newImage("images/menu_search/sbtn_apartment.jpg");
		omr7 = newImage("images/menu_search/sbtn_distance.jpg");
		omr8 = newImage("images/menu_search/sbtn_school.jpg");
		omr9 = newImage("images/menu_search/sbtn_contact.jpg");
		tr1 = newImage("images/redtab_bg.jpg");
		tr2 = newImage("images/redtab_left.jpg");
		tr3 = newImage("images/redtab_right.jpg");
		
		preloadFlag = true;
	}
}
function preloadMenu_yellow() {
	if (document.images) {
		ml1 = newImage("images/menu_tab/tab_welcome_over.jpg");
		ml2 = newImage("images/menu_tab/tab_search_over.jpg");
		ml3 = newImage("images/menu_tab/tab_living_over.jpg");
		mb4 = newImage("images/menu_tab/tab_member_over.jpg");
		ml5 = newImage("images/menu_living/sbtn_facts_over.jpg");
		ml6 = newImage("images/menu_living/sbtn_dondonts_over.jpg");
		ml7 = newImage("images/menu_living/sbtn_cantonese_over.jpg");
		ml8 = newImage("images/menu_living/sbtn_movingtips_over.jpg");
		oml1 = newImage("images/menu_tab/tab_welcome.jpg");
		oml2 = newImage("images/menu_tab/tab_search.jpg");
		oml3 = newImage("images/menu_tab/tab_living.jpg");
		omb4 = newImage("images/menu_tab/tab_member_over.jpg");
		oml5 = newImage("images/menu_living/sbtn_facts.jpg");
		oml6 = newImage("images/menu_living/sbtn_dondonts.jpg");
		oml7 = newImage("images/menu_living/sbtn_cantonese.jpg");
		oml8 = newImage("images/menu_living/sbtn_movingtips.jpg");
		tl1 = newImage("images/yellowtab_bg.jpg");
		tl2 = newImage("images/yellowtab_left.jpg");
		tl3 = newImage("images/yellowtab_right.jpg");
		
		preloadFlag = true;
	}
}
function preloadMenu_dark() {
	if (document.images) {
		mb1 = newImage("images/menu_tab/tab_welcome_over.jpg");
		mb2 = newImage("images/menu_tab/tab_search_over.jpg");
		mb3 = newImage("images/menu_tab/tab_living_over.jpg");
		mb4 = newImage("images/menu_tab/tab_member_over.jpg");
		mb5 = newImage("images/menu_member/sbtn_forgot_over.jpg");
		mb6 = newImage("images/menu_member/sbtn_faq_over.jpg");
		mb7 = newImage("images/menu_member/sbtn_edit_over.jpg");
		mb8 = newImage("images/menu_member/sbtn_logout_over.jpg");
		mb9 = newImage("images/menu_member/sbtn_contact_over.jpg");
		omb1 = newImage("images/menu_tab/tab_welcome_over.jpg");
		omb2 = newImage("images/menu_tab/tab_search_over.jpg");
		omb3 = newImage("images/menu_tab/tab_living_over.jpg");
		omb4 = newImage("images/menu_tab/tab_member_over.jpg");
		omb5 = newImage("images/menu_member/sbtn_forgot_over.jpg");
		omb6 = newImage("images/menu_member/sbtn_faq_over.jpg");
		omb7 = newImage("images/menu_member/sbtn_edit_over.jpg");
		omb8 = newImage("images/menu_member/sbtn_logout_over.jpg");
		omb9 = newImage("images/menu_member/sbtn_contact_over.jpg");
		tb1 = newImage("images/darktab_bg.jpg");
		tb2 = newImage("images/darktab_left.jpg");
		tb3 = newImage("images/darktab_right.jpg");
		
		preloadFlag = true;
	}
}



function preloadImages(colorcode){
	eval("preloadMenu_"+colorcode+"();");
}