if (document.images) {
index_b1_off = new Image(); index_b1_off.src = "images/btn_home_out.gif"
index_b1_over = new Image(); index_b1_over.src = "images/btn_home_in.gif"
index_b2_off = new Image(); index_b2_off.src = "images/btn_aboutus_out.gif"
index_b2_over = new Image(); index_b2_over.src = "images/btn_aboutus_in.gif"
index_b3_off = new Image(); index_b3_off.src = "images/btn_rules_out.gif"
index_b3_over = new Image(); index_b3_over.src = "images/btn_rules_in.gif"
index_b4_off = new Image(); index_b4_off.src = "images/btn_faqs_out.gif"
index_b4_over = new Image(); index_b4_over.src = "images/btn_faqs_in.gif"
index_b5_off = new Image(); index_b5_off.src = "images/btn_contact_out.gif"
index_b5_over = new Image(); index_b5_over.src = "images/btn_contact_in.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");
	}
}