function styleswitch(setstyle) {
	var i, a;
	var stylepath = '/css/';
	var cookstyle = Cookie.read('Stylesheet');

	// getting current cookie value for the stylesheet 
	if (cookstyle == false ) {
		for (i=0; (a = document.getElementsByTagName("link")[i]); i++) {
			if(a.getAttribute("rel").indexOf('style') != -1
			&& a.getAttribute("media").indexOf('screen') != -1
			&& a.getAttribute("title")
			// find default stylesheet, which is defined in the head section of the document
			) {
				cookstyle = a.getAttribute("title"); 
				Cookie.write('Stylesheet', cookstyle, {duration:365, path:'/'});
			}
		}
	}

	if ( setstyle == undefined ) {
		setstyle = cookstyle;
	}

	new Asset.css(stylepath + setstyle +'.css', {id: setstyle});
	Cookie.write('Stylesheet', setstyle, {duration:365, path:'/'});

//	document.getElementById('textsize-default').className = 'textsize-default';
//	document.getElementById('textsize-larger').className = 'textsize-larger';
//	document.getElementById('textsize-largest').className = 'textsize-largest';

//	var cookstyle = Cookie.read("Stylesheet");

//	if ( setstyle == 'font-larger' ) {
//		document.getElementById('textsize-larger').className = 'textsize-larger-on';
//	} else
//	if ( setstyle == 'font-largest' ) {
//		document.getElementById('textsize-largest').className = 'textsize-largest-on';
//	} else {
//		document.getElementById('textsize-default').className = 'textsize-default-on';
//	}

	return null;
}

window.addEvent('domready', styleswitch);



function outputAddress(recipient, domain)
{
	document.write("<a href=" + "mail" + "to:" + recipient + "@" + domain+ ">" + recipient + "@" + domain + "</a>");	
}

function outputEmailIcon(recipient, domain)
{
	recipient = "info";
	domain = "donkeyink.com";
	document.write("<a class=\"email\" href=" + "mail" + "to:" + recipient + "@" + domain+ "></a>");	
}


function rollover(img_id, img_src){
	document.getElementById(img_id).src = img_src;
}

function popupWindow(pageURL, windowName, w, h, features)
{
	var winl = (screen.width - w) / 2;
	var wint = (screen.height - h) / 2;
	winprops = 'width='+w+',height='+h+',top='+wint+',left='+winl+','+features
	
	var popupWindow = window.open(pageURL ,windowName,winprops);
	
	popupWindow.focus();
}

function openPrinterFriendly()
{
	url = URLEncode(document.location.href);
	popupWindow('/phprint.php?page='+url, 'print', 780, 500, 'scrollbars=yes,toolbar=yes');
}


// ====================================================================
//       URLEncode and URLDecode functions
//
// Copyright Albion Research Ltd. 2002
// http://www.albionresearch.com/
//
// You may copy these functions providing that 
// (a) you leave this copyright notice intact, and 
// (b) if you use these functions on a publicly accessible
//     web site you include a credit somewhere on the web site 
//     with a link back to http://www.albionresarch.com/
//
// If you find or fix any bugs, please let us know at albionresearch.com
//
// SpecialThanks to Neelesh Thakur for being the first to
// report a bug in URLDecode() - now fixed 2003-02-19.
// ====================================================================
function URLEncode( plaintext )
{
	// The Javascript escape and unescape functions do not correspond
	// with what browsers actually do...
	var SAFECHARS = "0123456789" +					// Numeric
					"ABCDEFGHIJKLMNOPQRSTUVWXYZ" +	// Alphabetic
					"abcdefghijklmnopqrstuvwxyz" +
					"-_.!~*'()";					// RFC2396 Mark characters
	var HEX = "0123456789ABCDEF";

//	var plaintext = document.URLForm.F1.value;
	var encoded = "";
	for (var i = 0; i < plaintext.length; i++ ) {
		var ch = plaintext.charAt(i);
	    if (ch == " ") {
		    encoded += "+";				// x-www-urlencoded, rather than %20
		} else if (SAFECHARS.indexOf(ch) != -1) {
		    encoded += ch;
		} else {
		    var charCode = ch.charCodeAt(0);
			if (charCode > 255) {
			    alert( "Unicode Character '" 
                        + ch 
                        + "' cannot be encoded using standard URL encoding.\n" +
				          "(URL encoding only supports 8-bit characters.)\n" +
						  "A space (+) will be substituted." );
				encoded += "+";
			} else {
				encoded += "%";
				encoded += HEX.charAt((charCode >> 4) & 0xF);
				encoded += HEX.charAt(charCode & 0xF);
			}
		}
	} // for

//	document.URLForm.F2.value = encoded;
	return encoded;
};

function URLDecode( encoded )
{
   // Replace + with ' '
   // Replace %xx with equivalent character
   // Put [ERROR] in output if %xx is invalid.
   var HEXCHARS = "0123456789ABCDEFabcdef"; 

   var plaintext = "";
   var i = 0;
   while (i < encoded.length) {
       var ch = encoded.charAt(i);
	   if (ch == "+") {
	       plaintext += " ";
		   i++;
	   } else if (ch == "%") {
			if (i < (encoded.length-2) 
					&& HEXCHARS.indexOf(encoded.charAt(i+1)) != -1 
					&& HEXCHARS.indexOf(encoded.charAt(i+2)) != -1 ) {
				plaintext += unescape( encoded.substr(i,3) );
				i += 3;
			} else {
				alert( 'Bad escape combination near ...' + encoded.substr(i) );
				plaintext += "%[ERROR]";
				i++;
			}
		} else {
		   plaintext += ch;
		   i++;
		}
	} // while

    return plaintext;
};

