/**
 usage: makeSVGfromMap(map, options);
 map: should be a map element: document.getElementsByName("myimg")[0]
 options: (contains zero or more values)
 arg1 = output e.g. true (return svg document) | false (open window with source)
 arg2 = width e.g. 502 (image width as pixel value)
 arg3 = height e.g. 482 (image height as pixel value)
 arg4 = strokewidth e.g. 0.75 | default is 0.5 pixel
 arg5 = stroke-miterlimit e.g. 8 | default is 1
 arg6 = initialfillcolor e.g. #cccccc | default is silver
 arg7 = initialstrokecolor e.g. #808080 | default is gray
 arg8 = hoverfillcolor e.g. #66ff66 | default is limegreen
 arg9 = hoverstrokecolor e.g. #00ff00 | default is green
 arg10= backgroundcolor e.g. #ffffff | default is null
 
 usage: scaleMapAreaCoords(map, nw, nh, sw, sh, options);
 map: should be a map element: document.getElementsByName("myimg")[0]
 nw = width e.g. 800 (natural image width as pixel value)
 nh = height e.g. 400 (natural image height as pixel value)
 sw = width e.g. 400 (scaled image width as pixel value)
 sh = height e.g. 200 (scaled image height as pixel value)
 options: (contains zero or more values)
 arg1 = xoff e.g. -2 (horizontal offset as pixel value)
 arg2 = yoff e.g. -2 (vertical offset as pixel value)
 **/

function makeSVGfromMap(obj, out, w, h, stw, sml, ifc, isc, hfc, hsc, bgc)
{
	function getCl(cla, str, rep)
	{
		var j, ar, pd, tt = rep;
		pd = (cla.indexOf(';') != -1 ? cla.split(';') : pd = cla);
		for (j = 0; j < pd.length; j++)
		{
			if (pd[j].indexOf(':') != -1)
			{
				ar = pd[j].split(':');
				if (ar[0].indexOf(str) != -1)
				{
					tt = ar[1];
					break;
				}
			}
		}
		return tt;
	}
	if (obj.tagName.toLowerCase() == "map")
	{
		var a, b, c, d, e, i, j, k, l, n, p, r, s, t, x, y, z, tmp, win, ele = obj.getElementsByTagName("area");
		b = stw || 0.5;
		c = sml || 1;
		x = out ? "<" : "&lt;";
		y = out ? ">" : "&gt;";
		z = out ? "\n" : "<br>";
		tmp = x + '?xml version="1.0" encoding="utf-8" standalone="no"?' + y + z;
		tmp += x + '!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20010904//EN" "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd"' + y + z;
		tmp += x + 'svg width="' + (w || 100) + 'px" height="' + (h || 100) + 'px" viewBox="0 0 ' + (w || 100) + ' ' + (h || 100) + '" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"' + y + z;
		tmp += x + 'title' + y + (obj.id || obj.name || "Unnamed") + x + '/title' + y + x + 'desc' + y + 'Generated with maputil.js (mapper.netzgesta.de)' + x + '/desc' + y + z;
		tmp += x + 'defs' + y + z + x + 'script type="text/ecmascript"' + y + z + x + '![CDATA[' + z + 'var fdat="",sdat="";' + z;
		tmp += 'function onAreaOver(evt){var ele=evt.target; fdat=ele.getAttribute("fill"); sdat=ele.getAttribute("stroke"); ele.setAttribute("fill","' + (hfc || "limegreen") + '"); ele.setAttribute("stroke","' + (hsc || "green") + '");}' + z;
		tmp += 'function onAreaOut(evt){var ele=evt.target; ele.setAttribute("fill",fdat); ele.setAttribute("stroke",sdat);}' + z;
		tmp += ']]' + y + z + x + '/script' + y + z + x + '/defs' + y + z;
		if (bgc != '') {
			tmp += x + 'rect id="background" fill="' + bgc + '" stroke-width="0" x="0" y="0" width="' + (w || 100) + '" height="' + (h || 100) + '" /' + y + z;
		}
		for (i = 0; i < ele.length; i++)
		{
			d = ele[i].coords.split(",");
			s = ele[i].shape;
			p = '';
			l = ele[i].title || ele[i].alt;
			a = ele[i].getAttribute('href');
			t = l != '' ? l : "area_" + i;
			e = "";
			n = ele[i].id || ele[i].name || t;
			e = ele[i].getAttribute("style");
			if (e != null && !window.navigator.systemLanguage)
			{
				k = getCl(e, 'fill', 'silver') || ifc || "silver";
				r = getCl(e, 'stroke', 'gray') || isc || "gray";
			}
			else
			{
				k = ifc || "silver";
				r = isc || "gray";
			}
			if (s.toLowerCase() == 'rect'){
				tmp += x + 'a xlink:title="' + l + '" xlink:href="' + (a != '' ? a : "#") + '"' + y + x + 'rect id="' + n + '" fill="' + k + '" stroke="' + r + '" stroke-width="' + b + 'px" stroke-miterlimit="' + c + '" onmouseover="onAreaOver(evt);" onmouseout="onAreaOut(evt);" x="' + parseInt(d[0]) + '" y="' + parseInt(d[1]) + '" width="' + parseInt(d[2] - d[0]) + '" height="' + parseInt(d[3] - d[1]) + '" /' + y + x + '/a' + y + z;
			}
			else if (s.toLowerCase() == 'circle') {
				tmp += x + 'a xlink:title="' + l + '" xlink:href="' + (a != '' ? a : "#") + '"' + y + x + 'circle id="' + n + '" fill="' + k + '" stroke="' + r + '" stroke-width="' + b + 'px" stroke-miterlimit="' + c + '" onmouseover="onAreaOver(evt);" onmouseout="onAreaOut(evt);" cx="' + parseInt(d[0]) + '" cy="' + parseInt(d[1]) + '" r="' + parseInt(d[2]) + '" /' + y + x + '/a' + y + z;
			}
			else if (s.toLowerCase() == 'poly')
			{
				for (j = 0; j < d.length; j += 2)
				{
					p += parseInt(d[j]) + ',' + parseInt(d[j + 1]);
					if ((j + 2) < d.length) {
						p += ',';
					}
				}
				tmp += x + 'a xlink:title="' + l + '" xlink:href="' + (a != '' ? a : "#") + '"' + y + x + 'polygon id="' + n + '" fill="' + k + '" stroke="' + r + '" stroke-width="' + b + 'px" stroke-miterlimit="' + c + '" onmouseover="onAreaOver(evt);" onmouseout="onAreaOut(evt);" points="' + p + '" /' + y + x + '/a' + y + z;
			}
		}
		tmp += x + '/svg' + y + z;
		if (out) {
			return tmp;
		}
		else
		{
			win = top.window.open('', "SVG");
			win.document.open("text/html");
			win.document.write("<pre>" + tmp + "</pre>");
			win.document.close();
			return false;
		}
	}
}

function scaleMapAreaCoords(obj, nw, nh, sw, sh, xo, yo)
{
	if (obj.tagName.toLowerCase() == "map")
	{
		var a, d, e, i, j, l, n, p, r, s, t, x, y, w, h, tmp, win, ls = "&lt;area ",
			le = " /&gt;",
			lf = "<br>",
			ele = obj.getElementsByTagName("area");
		w = parseFloat(sw / nw);
		h = parseFloat(sh / nh);
		x = parseInt(xo || 0);
		y = parseInt(yo || 0);
		tmp = '&lt;map name="' + (obj.name || obj.id) + '"&gt;' + lf;
		for (i = 0; i < ele.length; i++)
		{
			d = ele[i].coords.split(",");
			p = '';
			for (j = 0; j < d.length; j += 2)
			{
				p += Math.min(Math.max(Math.round(x + (d[j] * w)), 0), sw) + ',' + Math.min(Math.max(Math.round(y + (d[j + 1] * h)), 0), sh);
				if ((j + 2) < d.length) {
					p += ',';
				}
			}
			s = ele[i].shape || 'rect';
			t = ele[i].title;
			a = ele[i].alt;
			n = ele[i].id;
			l = ele[i].getAttribute('href') || '#';
			e = ele[i].getAttribute('style');
			r = ele[i].getAttribute('rel');
			tmp += ls + 'shape="' + s + '" ';
			if (t != null) {
				tmp += 'title="' + t + '" '
			};
			if (a != null) {
				tmp += 'alt="' + a + '" '
			};
			if (r != null) {
				tmp += 'rel="' + r + '" '
			};
			if (e != null) {
				tmp += 'style="' + e + '" '
			};
			tmp += 'href="' + l + '" coords="' + p + '"' + le + lf;
		}
		tmp += '&lt;/map&gt;' + lf;
		win = top.window.open('', "COORDS");
		win.document.open("text/html");
		win.document.write("<pre>" + tmp + "</pre>");
		win.document.close();
		return false;
	}
}