function f_filterResults(n_win, n_docel, n_body) {
	var n_result = n_win ? n_win : 0;
	if (n_docel && (!n_result || (n_result > n_docel)))
		n_result = n_docel;
	return n_body && (!n_result || (n_result > n_body)) ? n_body : n_result;
}

function f_scrollTop() { 
	return f_filterResults ( window.pageYOffset ? window.pageYOffset : 0, document.documentElement ? document.documentElement.scrollTop : 0, document.body ? document.body.scrollTop : 0 ); 
}
	
var currentPhoto = "";

function showPhoto(photo, caption, e) {
	if (currentPhoto == photo) return;

	hidePhoto();	

	var posx = 0;
	var posy = 0;

	if (!e) var e = window.event;
	if (e.pageX || e.pageY)
	{
		posx = e.pageX;
		posy = e.pageY;
	}
	else if (e.clientX || e.clientY)
	{
		posx = e.clientX + document.body.scrollLeft;
		posy = e.clientY + f_scrollTop();
	}	


	posx = posx - 175;
	posy = posy - 175;

	var photoViewer = document.getElementById("photoViewer");
	photoViewer.style.left = "" + posx + "px";
	photoViewer.style.top = "" + posy + "px";

	photoViewer.innerHTML = "<table cellpadding=0 cellspacing=0><tr><td align='right'><span onclick='hidePhoto()' style='cursor:pointer'>[Close]</span></td></tr><tr><td>&nbsp;</td></tr><tr><td align='center'><img src='" + photo + "'></img></td></tr><tr><td>&nbsp;</td></tr><tr><td align='center'><span style='font-size:9pt;font-family:Verdana;color:#e4e1cf'>" + caption + "</span></td></tr></table>";
	
	photoViewer.style.display = "block";
	currentPhoto = photo;
}
	
function hidePhoto() {
	if (currentPhoto == "") return;

	var photoViewer = document.getElementById("photoViewer");
	photoViewer.style.display = "none";
	photoViewer.innerHTML = "";

	currentPhoto = "";
}