var selected_id = null;
var dom = document.getElementById;
function swapIt(id, newclass) {
	if(dom) {
		if(selected_id != id) {
			el = document.getElementById(id);
			el.className = newclass;
			el.style.cursor = (document.all) ? "hand" : "pointer";
		}
	}
}

function down (id, oldclass, newclass){
	if(dom) {
		if(selected_id != null) {
			document.getElementById(selected_id).className = oldclass;
		}
		el.className = newclass;
		selected_id = id;
	}
}

function MM_preloadImages() { //v3.0
	var d = document;
	if (d.images) {
		if (!d.MM_p) {d.MM_p = new Array();}
		var i, j = d.MM_p.length, a = MM_preloadImages.arguments;
		for (i = 0; i < a.length; i++) {
			if (a[i].indexOf("#") != 0) {
				d.MM_p[j] = new Image;
				d.MM_p[j++].src = a[i];
			}
		}
	}
}

function MM_swapImgRestore() { //v3.0
	var i, x, a = document.MM_sr;
	for(i = 0; a && i < a.length && (x = a[i]) && x.oSrc; i++) {x.src = x.oSrc;}
}

function MM_findObj(n, d) { //v4.01
	var p, i, x;
	if (!d) {d = document;}
	if ((p = n.indexOf("?")) > 0 && parent.frames.length) {
		d = parent.frames[n.substring(p + 1)].document;
		n = n.substring(0, p);
	}
	if (!(x = d[n]) && d.all) {x = d.all[n];}
	for (i = 0; !x && i < d.forms.length; i++) {x = d.forms[i][n];}
	for (i = 0; !x && d.layers && i < d.layers.length; i++) {x = MM_findObj(n, d.layers[i].document);}
	if (!x && d.getElementById) {x = d.getElementById(n);}
	return x;
}

function MM_swapImage() { //v3.0
	var i, j = 0, x, a = MM_swapImage.arguments;
	document.MM_sr = new Array;
	for(i = 0; i < (a.length - 2); i += 3) {
		if ((x = MM_findObj(a[i])) != null) {
			document.MM_sr[j++] = x;
			if(!x.oSrc) {x.oSrc = x.src;}
			x.src = a[i + 2];
		}
	}
}