if (document.images) {

	
	
	var button1off = new Image();
	button1off.src = "images/button_home_off.gif";
	var button1over = new Image();
	button1over.src = "images/button_home_on.gif";
	
	var button2off = new Image();
	button2off.src = "images/button_instant_off.gif";
	var button2over = new Image();
	button2over.src = "images/button_instant_on.gif";
	
	var button3off = new Image();
	button3off.src = "images/button_easy_off.gif";
	var button3over = new Image();
	button3over.src = "images/button_easy_on.gif";
	
	var button4off = new Image();
	button4off.src = "images/button_current_off.gif";
	var button4over = new Image();
	button4over.src = "images/button_current_on.gif";
	
	var button5off = new Image();
	button5off.src = "images/button_contract_off.gif";
	var button5over = new Image();
	button5over.src = "images/button_contract_on.gif";
	
	var button6off = new Image();
	button6off.src = "images/button_gallery_off.gif";
	var button6over = new Image();
	button6over.src = "images/button_gallery_on.gif";
	
	var button7off = new Image();
	button7off.src = "images/button_links_off.gif";
	var button7over = new Image();
	button7over.src = "images/button_links_on.gif";
	
	var button8off = new Image();
	button8off.src = "images/button_contact_off.gif";
	var button8over = new Image();
	button8over.src = "images/button_contact_on.gif";
	
	}

function over(imgName) {

	if (document.images)
	document[imgName].src = eval(imgName + "over.src");
}

function off(imgName) {
	if (document.images)
	document[imgName].src = eval(imgName + "off.src");
}