        
<!--

if(document.images)
	{	

	nav1_off = new Image();nav1_off.src='images/arrow_off.gif';
	nav1_on = new Image();nav1_on.src='images/arrow_on.gif';	 
	nav2_off = new Image();nav2_off.src='images/arrow_off.gif';
	nav2_on = new Image();nav2_on.src='images/arrow_on.gif';	 
	nav3_off = new Image();nav3_off.src='images/arrow_off.gif';
	nav3_on = new Image();nav3_on.src='images/arrow_on.gif';	 
	nav4_off = new Image();nav4_off.src='images/arrow_off.gif';
	nav4_on = new Image();nav4_on.src='images/arrow_on.gif';	 
	nav5_off = new Image();nav5_off.src='images/arrow_off.gif';
	nav5_on = new Image();nav5_on.src='images/arrow_on.gif';	 
	nav6_off = new Image();nav6_off.src='images/arrow_off.gif';
	nav6_on = new Image();nav6_on.src='images/arrow_on.gif';	 
	nav7_off = new Image();nav7_off.src='images/arrow_off.gif';
	nav7_on = new Image();nav7_on.src='images/arrow_on.gif';	 
	nav8_off = new Image();nav8_off.src='images/arrow_off.gif';
	nav8_on = new Image();nav8_on.src='images/arrow_on.gif';	 
	nav9_off = new Image();nav9_off.src='images/arrow_off.gif';
	nav9_on = new Image();nav9_on.src='images/arrow_on.gif';	 
	nav10_off = new Image();nav10_off.src='images/arrow_off.gif';
	nav10_on = new Image();nav10_on.src='images/arrow_on.gif';	 
	nav11_off = new Image();nav11_off.src='images/arrow_off.gif';
	nav11_on = new Image();nav11_on.src='images/arrow_on.gif';	 
	nav12_off = new Image();nav12_off.src='images/arrow_off.gif';
	nav12_on = new Image();nav12_on.src='images/arrow_on.gif';	 
	nav13_off = new Image();nav13_off.src='images/arrow_off.gif';
	nav13_on = new Image();nav13_on.src='images/arrow_on.gif';	
	nav14_off = new Image();nav14_off.src='images/arrow_off.gif';
	nav14_on = new Image();nav14_on.src='images/arrow_on.gif';	
	nav15_off = new Image();nav15_off.src='images/arrow_off.gif';
	nav15_on = new Image();nav15_on.src='images/arrow_on.gif';	
	nav16_off = new Image();nav16_off.src='images/arrow_off.gif';
	nav16_on = new Image();nav16_on.src='images/arrow_on.gif';	
	nav17_off = new Image();nav17_off.src='images/arrow_off.gif';
	nav17_on = new Image();nav17_on.src='images/arrow_on.gif';	
	nav18_off = new Image();nav18_off.src='images/arrow_off.gif';
	nav18_on = new Image();nav18_on.src='images/arrow_on.gif';	
	nav19_off = new Image();nav19_off.src='images/arrow_off.gif';
	nav19_on = new Image();nav19_on.src='images/arrow_on.gif';								
	nav20_off = new Image();nav20_off.src='images/arrow_off.gif';
	nav20_on = new Image();nav20_on.src='images/arrow_on.gif';								
	
}	       

function imgOn(name) { 
	if (document.images) {
	document.images[name].src = eval(name+"_on.src");
}}

function imgOff(name) { 
	if (document.images) {
	document.images[name].src = eval(name+"_off.src");
}}

//-->