/******************************************************************************
 Javascript Utilities
 author Olaf Hannemann
 license GPL V3
 version 0.1.4
 date 13.08.2011

 This file is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.
 
 This file is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License (http://www.gnu.org/licenses/)for more details.
 ******************************************************************************/

function setCookie(key, value) {
	var expireDate = new Date;
	expireDate.setMonth(expireDate.getMonth() + 6);
	document.cookie = key + "=" + value + ";" + "expires=" + expireDate.toGMTString() + ";";
}

function getCookie(argument) {
	var buff = document.cookie;
	var args = buff.split(";");
	for(i = 0; i < args.length; i++) {
		var a = args[i].split("=");
		if(trim(a[0]) == argument) {
			return trim(a[1]);
		}
	}

	return "-1";
}

function getArgument(argument) {
	if(window.location.search != "") {
		// We have parameters
		var undef = document.URL.split("?");
		var args = undef[1].split("&");
		for(i = 0; i < args.length; i++) {
			var a = args[i].split("=");
			if(a[0] == argument) {
				return a[1];
			}
		}
		return "-1";
	}
	return "-1";
}

function checkKeyReturn(e) {
	if (e.keyCode == 13) {
		return true;
	}

	return false;
}

function trim(buffer) {
	  return buffer.replace(/^\s+/, '').replace(/\s+$/, '');
}

function convert2Web(buffer) {
	buffer = buffer.replace('&', '&amp;');
	buffer = buffer.replace('<', '&lt;');
	buffer = buffer.replace('>', '&gt;');
	buffer = buffer.replace('\'', '&apos;');
	buffer = buffer.replace('\"', '&quot;');

	return buffer
}

function convert2Ascii(buffer) {
	buffer = buffer.replace('ü', 'ue');
	buffer = buffer.replace('ö', 'oe');
	buffer = buffer.replace('ä', 'ae');
	buffer = buffer.replace('ß', 'ss');
	buffer = buffer.replace('ø', 'oe');

	return buffer
}

function convert2Locode(buffer) {
	buffer = buffer.replace('ü', 'u');
	buffer = buffer.replace('ö', 'o');
	buffer = buffer.replace('ä', 'a');
	buffer = buffer.replace('ß', 'ss');
	buffer = buffer.replace('ø', 'o');
	
	return buffer
}

function convert2Text(buffer) {
	buffer = buffer.replace(/%20/g, ' ');
	buffer = buffer.replace(/&#176;/g, '°');

	return buffer
}

function format2FixedLenght(number, length, fraclength) {
	var text = number.toFixed(fraclength);
	while (text.length < length) text = "0"+text;
	return text;
}

function loadXMLDoc(name) {
	if (window.XMLHttpRequest) {
		xhttp=new XMLHttpRequest();
	} else {
		xhttp=new ActiveXObject("Microsoft.XMLHTTP");
	}
	xhttp.open("GET",name,false);
	xhttp.send();

	return xhttp.responseXML;
}