var prev=new Array()
var trail=new Array()

for (var i=0; i<=10; i++) {
	prev[i]=new Image()
}

prev[0].src="http://www.sitkatrails.info/maps/blank.gif"
prev[1].src="http://www.sitkatrails.info/maps/ir_trails.gif"
prev[2].src="http://www.sitkatrails.info/maps/ir_indianriver_falls.gif"
prev[3].src="http://www.sitkatrails.info/maps/ir_indianriver_firstbridge.gif"
prev[4].src="http://www.sitkatrails.info/maps/ir_indianriver_muskegview.gif"
prev[5].src="http://www.sitkatrails.info/maps/ir_indianriver_trail.gif"
prev[6].src="http://www.sitkatrails.info/maps/ir_mt_verstovia_firstview.gif"
prev[7].src="http://www.sitkatrails.info/maps/ir_mt_verstovia_picnicrock.gif"
prev[8].src="http://www.sitkatrails.info/maps/ir_mt_verstovia_secondview.gif"
prev[9].src="http://www.sitkatrails.info/maps/ir_mt_verstovia_summit.gif"
prev[10].src="http://www.sitkatrails.info/maps/ir_mt_verstovia_trail.gif"

function loadPicture(img) {
	document.mapTrail.src=prev[img].src;
	return true
}