imgSwitch = 0;
	if ((navigator.appName == 'Netscape') && (navigator.appVersion.substring(0,1) >= 3)) { imgSwitch = 1; }
	if ((navigator.appCodeName == 'MSIE') && (navigator.appVersion.substring(0,1) > 3)) { imgSwitch = 1; }
	if ((navigator.appCodeName == 'Mozilla') && (navigator.appVersion.substring(0,1) >= 4)) { imgSwitch = 1; }

if (imgSwitch == 1) {
	menu_home1=new Image();
	menu_home2=new Image();
	menu_demo1=new Image();
	menu_demo2=new Image();
	menu_download1=new Image();
	menu_download2=new Image();
	menu_faqs1=new Image();
	menu_faqs2=new Image();
	menu_register1=new Image();
	menu_register2=new Image();
	menu_contactus1=new Image();
	menu_contactus2=new Image();

	menu_home1.src="images/menus/main/home_off.jpg";
	menu_home2.src="images/menus/main/home_on.jpg";
	menu_demo1.src="images/menus/main/demo_off.jpg";
	menu_demo2.src="images/menus/main/demo_on.jpg";
	menu_download1.src="images/menus/main/download_off.jpg";
	menu_download2.src="images/menus/main/download_on.jpg";
	menu_faqs1.src="images/menus/main/faqs_off.jpg";
	menu_faqs2.src="images/menus/main/faqs_on.jpg";
	//menu_register1.src="images/menus/main/register_off.jpg";
	//menu_register2.src="images/menus/main/register_on.jpg";
	menu_register1.src="images/menus/main/purchase_off.jpg";
	menu_register2.src="images/menus/main/purchase_on.jpg";
	menu_contactus1.src="images/menus/main/contactus_off.jpg";
	menu_contactus2.src="images/menus/main/contactus_on.jpg";
}

	function reg_mouseOut(imgname){
		if ( imgSwitch == 0 ) return true;

		img = eval("document." + imgname);
		img.src = eval(imgname + "1" + ".src") ;

		return true;
	}

	function reg_mouseIn(imgname){
		if ( imgSwitch == 0 ) return true;

		img = eval("document." + imgname);
		img.src = eval(imgname + "2" + ".src") ;

		return true;			
	}