//roll over image

var roimg = new Object();

function defineRoi(){

	if(!document.getElementById)return;

	if(!document.images) return;

	if(ua.n4)return;

	var preloadRoi = new Array();

	for(i=0;i<document.images.length;i++){

		var tempid = new String();

		tempid = document.images[i].id;

		if(tempid.indexOf("ro_") == 0){

			var basesrc = document.images[tempid].src;

			var imgtype = basesrc.substring(basesrc.lastIndexOf('.'));

			var basename = basesrc.substring(0,basesrc.length - imgtype.length);

			var tempobj = new Object();

			tempobj.u = basesrc;

			tempobj.o = basename + 'o' + imgtype;

			tempobj.s = basename + 's' + imgtype;

			roimg[tempid] = tempobj;

			preloadRoi[preloadRoi.length] = tempobj.o;

		}

	}

	preloadImgs(preloadRoi);

}

defineRoi();



function kmout(name){

	if(!document.getElementById)return;

	if(!roimg[name].u)return;

	swapImg(name,roimg[name].u);

}



function kmover(name){

	if(!document.getElementById)return;

	if(!roimg[name].o)return;

	swapImg(name,roimg[name].o);

}