function URLEncode(input)
{
	// 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 = input;
	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
	return encoded;
};

function URLDecode(input)
{
   var HEXCHARS = "0123456789ABCDEFabcdef"; 
   var encoded = input;
   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;
};

jQuery.fn.extend({gatherFormData: function()
{
	var formdata = {};
	
	this.find('input').not('.button').not('[type=checkbox]').map(function() {
		formdata[this.name] = URLEncode(this.value);
	});
		
	this.find('input').not('.button').filter('[type=checkbox]').map(function() {
		if (jQuery(this).attr('checked')) formdata[this.name] = URLEncode(jQuery(this).attr('value'));
	});
	
	this.find('input').not('.button').filter('[type=radio]').map(function(){
		if (jQuery(this).attr('checked')) formdata[this.name] = URLEncode(jQuery(this).attr('value'));
	});
			
	this.find('select').map(function() {
		formdata[this.name] = URLEncode(this.value);
	});
		
	this.find('textarea').map(function()
	{
		formdata[this.name] = URLEncode(jQuery(this).val());
	});
	
	return formdata;
}});


// Php like function wich converts newlines to HTML line breaks
function nl2br(str, is_xhtml)
{
	var breakTag = (is_xhtml || typeof is_xhtml === 'undefined') ? '<br/>' : '<br>';
 
	return (str + '').replace(/([^>\r\n]?)(\r\n|\n\r|\r|\n)/g, '$1'+ breakTag +'$2');
}