function preload() {
	var top1 = new Image();
	var top2 = new Image();
	var top3 = new Image();
	var top4 = new Image();
	var top5 = new Image();
	var top6 = new Image();
	var sub_home = new Image();
	var sub_timerecorder = new Image();
	var sub_timeattendance = new Image();
	var sub_accesscontrol = new Image();
	var sub_carparking = new Image();
	var sub_cleaning = new Image();
	var sub_dustcollection = new Image();
	var sub_profile = new Image();
	var sub_contact = new Image();

	top1.src = "images/top_prod_btn_1_2.gif";
	top2.src = "images/top_prod_btn_2_2.gif";
	top3.src = "images/top_prod_btn_3_2.gif";
	top4.src = "images/top_prod_btn_4_2.gif";
	top5.src = "images/top_prod_btn_5_2.gif";
	top6.src = "images/top_prod_btn_6_2.gif";
	sub_home.src = "images/s_btn_home2.gif";
	sub_timerecorder.src = "images/s_btn_timerecorder2.gif";
	sub_timeattendance.src = "images/s_btn_timeattendance2.gif";
	sub_accesscontrol.src = "images/s_btn_accesscontrol2.gif";
	sub_carparking.src = "images/s_btn_carparking2.gif";
	sub_cleaning.src = "images/s_btn_cleaning2.gif.gif";
	sub_dustcollection.src = "images/s_btn_dustcollection2.gif";
	sub_profile.src = "images/s_btn_profile2.gif";
	sub_contact.src = "images/s_btn_contact2.gif";


}
function MM_openBrWindow(theURL,winName,features) {
	window.open(theURL,winName,features);
}