function preloader(){
		preload_image_object = new Image();
		// set image url
		image_url = new Array();
		image_url[0] = "http://thericegarden.com/images/header_menu/header_menu_over_01.jpg";
		image_url[1] = "http://thericegarden.com/images/header_menu/header_menu_over_02.jpg";
		image_url[2] = "http://thericegarden.com/images/header_menu/header_menu_over_03.jpg";
		image_url[3] = "http://thericegarden.com/images/header_menu/header_menu_over_04.jpg";
		image_url[4] = "http://thericegarden.com/images/header_menu/header_menu_over_05.jpg";
		image_url[5] = "http://thericegarden.com/images/header_menu/header_menu_over_06.jpg";
		image_url[6] = "http://thericegarden.com/images/header_menu/header_menu_over_07.jpg";
		var i = 0;
		for(i=0; i<=3; i++) 
        preload_image_object.src = image_url[i];
    }
    function fontResize(up){
        var current_size = document.getElementById('fontsize').value;
        if(up == 1) new_size = (current_size * 1) + 10;
        else{
             if(current_size > 20) new_size = (current_size * 1) - 10;
             else new_size = 20;
        }
        document.getElementById('content').style.fontSize = new_size + '%';
        document.getElementById('fontsize').value = new_size;
    }
	function menuOverOut(menu_name, flag){
		menu = document.getElementById('menu_' + menu_name);
		if(flag == 1){
			menu.src = 'http://thericegarden.com/images/header_menu/header_menu_over_0'+ menu_name +'.jpg';
		}else{
			menu.src = 'http://thericegarden.com/images/header_menu/header_menu_0'+ menu_name +'.jpg';
		}
	}