/* Copyright (c) 2004 - fulspec.com */
var curr_picture = 1;
var x0 = 0; x1 = 0;
var sflag = false;
var dir = '';

function init() {
	var len = comment.length;
	var photoTBL = '<table width=' +(len * 120)+ ' cellspacing=0 cellpadding=0 border=0><tr align="center">';
	for (i=1; i<(len+1); i++) {
		photoTBL += '<td><img src="' +imgPath+ 'photo' +i+ '.gif" onclick="return popupDiv(' +i+ ')"></td>';
	}
	photoTBL += '</tr></table>';
	document.getElementById('photos').innerHTML = photoTBL;
	document.getElementById('comment').innerHTML = comment[0];
	return true;
}
 
function insert_comment() {
	document.getElementById('comment').innerHTML = comment[(curr_picture-1)];
}

function scroll(dc) {
	if (x0 == x1) {
		sflag = true;
		dir = dc;
		scrollit();
	}
}

function scrollit() {
	if (x0 == x1) {
		if (sflag && (dir == 'L') && (curr_picture < comment.length)) {
			curr_picture += 1;
			x1 = (1-(curr_picture)) * 120;
		} else if (sflag && (dir == 'R') && (curr_picture > 1)) {
			curr_picture -= 1;
			x1 = (1-(curr_picture)) * 120;
		} else {
			insert_comment();
			return true;
		}
	}
	setTimeout("incrscroll()",20);
}

function incrscroll() {
	var step = 10;
	var dir = (x0 > x1) ? -1 : 1;
	x0 += (step * dir);
	document.getElementById('photos').style.left = x0 +'px';
	scrollit();
}

function stop() {
	sflag = false;
}

function popupDiv(no) {
	if (no == 0) {
		document.getElementById('blowup').style.visibility = 'hidden';
	} else {
		var graphic  = '<img src="' +imgPath+ 'photo' +(no)+ '.jpg" alt="Enlarged Image" onClick="return popupDiv(0)"><br>';
		document.getElementById('blowup').innerHTML = graphic+ '<p>' +comment[(no-1)]+ '</p>';
		document.getElementById('blowup').style.visibility = 'visible'  
	}
	return false;
}

window.onload = init;