if (document.images) {

navbar_home_off = new Image(); navbar_home_off.src = "../images/navbar_home.gif"
navbar_home_over = new Image(); navbar_home_over.src = "../images/navbar_home_over.gif"
navbar_order_off = new Image(); navbar_order_off.src = "../images/navbar_order.gif"
navbar_order_over = new Image(); navbar_order_over.src = "../images/navbar_order_over.gif"
navbar_testim_off = new Image(); navbar_testim_off.src = "../images/navbar_testim.gif"
navbar_testim_over = new Image(); navbar_testim_over.src = "../images/navbar_testim_over.gif"
navbar_invent_off = new Image(); navbar_invent_off.src = "../images/navbar_invent.gif"
navbar_invent_over = new Image(); navbar_invent_over.src = "../images/navbar_invent_over.gif"
navbar_dload_off = new Image(); navbar_dload_off.src = "../images/navbar_dload.gif"
navbar_dload_over = new Image(); navbar_dload_over.src = "../images/navbar_dload_over.gif"
navbar_email_off = new Image(); navbar_email_off.src = "../images/navbar_email.gif"
navbar_email_over = new Image(); navbar_email_over.src = "../images/navbar_email_over.gif"
navbar_bansys_off = new Image(); navbar_bansys_off.src = "../images/navbar_bansys.gif"
navbar_bansys_over = new Image(); navbar_bansys_over.src = "../images/navbar_bansys_over.gif"
navbar_plans_off = new Image(); navbar_plans_off.src = "../images/navbar_plans.gif"
navbar_plans_over = new Image(); navbar_plans_over.src = "../images/navbar_plans_over.gif"
navbar_results_off = new Image(); navbar_results_off.src = "../images/navbar_results.gif"
navbar_results_over = new Image(); navbar_results_over.src = "../images/navbar_results_over.gif"
navbar_sx_off = new Image(); navbar_sx_off.src = "../images/navbar_sx.gif"
navbar_sx_over = new Image(); navbar_sx_over.src = "../images/navbar_sx_over.gif"
}

function turn_off(ImageName) {
	if (document.images != null) {
		document[ImageName].src = eval(ImageName + "_off.src");
	}
}

function turn_over(ImageName) {
	if (document.images != null) {
		document[ImageName].src = eval(ImageName + "_over.src");
	}
}