//-----------------------------------------------------
//swap image
//-----------------------------------------------------


var photoImageList = new Array();
var sphotoImageList = new Array();
var photoPreloadFlag = false;

function photoPreLoad(){
	
	for (var i=1; i<=6; i++) {
		photoImageList[i]  = new Image();
		sphotoImageList[i]  = new Image();
		photoImageList[i].src = "IMAGES/photo_" + i + ".jpg";
		sphotoImageList[i].src = "IMAGES/sphoto_" + i + "_on.gif";
	}
	photoPreloadFlag = true;
}


function imageOn(n){
	if(photoPreloadFlag) document.images['photo01'].src = photoImageList[n].src;
	if(photoPreloadFlag) document.images['sphoto'+n].src = sphotoImageList[n].src;
}

function imageOff(n){
	if(photoPreloadFlag) document.images['photo01'].src = "IMAGES/photo_0.jpg";
	if(photoPreloadFlag) document.images['sphoto'+n].src = "IMAGES/sphoto_" + n + "_off.gif";
}