browserName = navigator.appName;
	browserVer = parseInt(navigator.appVersion);
	testbrowser = 0;

	if(browserName=="Netscape" || (browserName.indexOf('Explorer')>0 && browserVer > 3))
	{
		dir="/images/";

		bt_0_off = new Image(); bt_0_off.src = ""+dir+"bt_0_off.gif";
		bt_0_on = new Image(); bt_0_on.src = ""+dir+"bt_0_on.gif";

		bt_3a_off = new Image(); bt_3a_off.src = ""+dir+"bt_3a_off.gif";
		bt_3a_on = new Image(); bt_3a_on.src = ""+dir+"bt_3a_on.gif";

		bt_3b_off = new Image(); bt_3b_off.src = ""+dir+"bt_3b_off.gif";
		bt_3b_on = new Image(); bt_3b_on.src = ""+dir+"bt_3b_on.gif";

		bt_3c_off = new Image(); bt_3c_off.src = ""+dir+"bt_3c_off.gif";
		bt_3c_on = new Image(); bt_3c_on.src = ""+dir+"bt_3c_on.gif";

		bt_3d_off = new Image(); bt_3d_off.src = ""+dir+"bt_3d_off.gif";
		bt_3d_on = new Image(); bt_3d_on.src = ""+dir+"bt_3d_on.gif";

		bt_3e_off = new Image(); bt_3e_off.src = ""+dir+"bt_3e_off.gif";
		bt_3e_on = new Image(); bt_3e_on.src = ""+dir+"bt_3e_on.gif";

		bt_3g_off = new Image(); bt_3g_off.src = ""+dir+"bt_3g_off.gif";
		bt_3g_on = new Image(); bt_3g_on.src = ""+dir+"bt_3g_on.gif";


		//alert("www");

		testbrowser=1;

	}