function onImg(curImg){

	var img=document[curImg.name];	
	
	img.src="/images/"+curImg.name+"_on.gif";
}

function offImg(curImg){
	var img=document[curImg.name];
	img.src="/images/"+curImg.name+"_off.gif";
}


var image;
var url="/images/";

var fileList=new Array("nav_descriptions_on.gif","nav_eventscalendar_on.gif","nav_locations_on.gif","nav_schedule_on.gif","nav_winter_on.gif","nav_staff_on.gif","nav_letters_on.gif","nav_pictures_on.gif","nav_parenting_on.gif","nav_coaches_on.gif","nav_contact_on.gif");

for(i=0;i<fileList.length;i++){
image = new Image();
image.src = url+fileList[i];
}