function makeOptions(objId, dValue, lang) {
	if (!lang)
		lang = 0
	
	var numargs = arguments.length;
	var selObj = document.getElementById(objId);;
	var where = (navigator.appName == "Microsoft Internet Explorer") ? -1 : null;
	
	var include = new Array();
	for (var i=3;i<arguments.length;i++) {
		include[include.length] = new String(arguments[i]).toLowerCase();
	}
		
	for (var i=0;i<gengi.length;i++) {
		if (include.length > 0) {
			var inc = false;
			for (var j=0;j<include.length;j++) {
				if (gengi[i].nafn.toLowerCase() == include[j]) {
					inc = true;
					break;
				}
			}
			
			if (!inc)
				continue;
		}
	
		var itemOption = document.createElement("OPTION");
			
		itemOption.value = i;
		
		if (!lang || lang == 0) {
			itemOption.text = gengi[i].heiti;
			itemOption.innertText = gengi[i].heiti;
		} else {
			itemOption.text = gengi[i].english;
			itemOption.innertText = gengi[i].english;
		}
		
		if (navigator.appName == 'Opera') {
			selObj.options.add(itemOption);
		} else {
			selObj.add(itemOption, where);
		}
		
		if (gengi[i].nafn.toLowerCase() == dValue.toLowerCase())
			itemOption.selected = true;
	}
}

var _inputBox;
var _outputBox;
var _gengiFra;
var _gengiTil;

/********************************************************

function initExchange(inputBox, outputBox, btnName, gengiFra, gengiTil) {
	var inputBox = document.getElementById(inputBox);
	_outputBox = document.getElementById(outputBox);
	var btnCalc = document.getElementById(btnName);
	_gengiFra = document.getElementById(gengiFra);
	_gengiTil = document.getElementById(gengiTil);
	
	_inputBox=inputBox;
	
	if (btnCalc) {
		btnCalc.attachEvent('onclick', doValidateInput);
	}

	if (_gengiFra) {
		_gengiFra.attachEvent('onchange', doValidateInput);
	}
	
	if (_gengiTil) {
		_gengiTil.attachEvent('onchange', doValidateInput);
	}
	
	if (inputBox) {
		inputBox.attachEvent('onkeydown', doValidateInput);
		inputBox.attachEvent('onkeyup', doValidateInput);
		inputBox.attachEvent('onkeypress', doValidateInput);
		if (inputBox.value.length == 0) {
			inputBox.value = '1';
		}
	}
}


function doValidateInput() {
	var strTest;
	var e=event;
	
	if (_inputBox)
		strTest = new String(_inputBox.value);
		
	if (
		e.keyCode != 44 && e.keyCode != 190 && e.keyCode != 188 && e.keyCode != 110 && e.keyCode != 8 && e.keyCode != 13 && e.keyCode != 46 && !(e.keyCode >= 37 && e.keyCode <= 40)
		&& !(e.keyCode >= 96 && e.keyCode <= 105)
		&& !(e.keyCode >= 48 && e.keyCode <= 57)
	) {
		if (isNaN(String.fromCharCode(e.keyCode)))
			return false;
	}
	if (e.keyCode == 188 || e.keyCode == 110) {
		return true;
	} 
	
	if (strTest) {
		if (strTest.indexOf(",") > 0) {
			strTest += "0";
			strTest = strTest.replace(",",".");
		}
	}
		
	if (isNaN(strTest) && e.keyCode != 8) {
		return false;
	} else if (isNaN(strTest) && e.keyCode == 8) {
		return true;
	} else {
		if (strTest == '')
			return true;
			
		if (_gengiFra && _gengiTil && _outputBox && strTest) {
			var fra = getGengiName(_gengiFra.options[_gengiFra.selectedIndex].value);
			var til = getGengiName(_gengiTil.options[_gengiTil.selectedIndex].value);
			_outputBox.value = GengiCalc(fra, til, strTest);
		}
	}
	
	return true;
}
********************************************************/

      function initExchange(inputBox, outputBox, btnName, gengiFra, gengiTil)
      {
         var inputBox = document.getElementById(inputBox);
         _outputBox = document.getElementById(outputBox);
         var btnCalc = document.getElementById(btnName);
         _gengiFra = document.getElementById(gengiFra);
         _gengiTil = document.getElementById(gengiTil);
         _inputBox=inputBox;
         if (btnCalc)
         {
            if (btnCalc.attachEvent )
            { 
               btnCalc.attachEvent('onclick',doValidateInput);
            }
            else if (btnCalc.addEventListener)
            {
              btnCalc.addEventListener('click',doValidateInput,false);
            }
         }
         if (_gengiFra)
         {
            if (_gengiFra.attachEvent )
            {
               _gengiFra.attachEvent('onchange',doCurrencyCalculation);
     
            }
            else if (_gengiFra.addEventListener)
            {
               _gengiFra.addEventListener('change',doCurrencyCalculation,false);
            }
         }
         if (_gengiTil)
         {
            if (_gengiTil.attachEvent )
            {
               _gengiTil.attachEvent('onchange',doCurrencyCalculation);
            }
            else if (_gengiTil.addEventListener)
            {
               _gengiTil.addEventListener('change',doCurrencyCalculation,false);
            }
         } 
         if (inputBox)
         {
            if (inputBox.attachEvent )
            {
               inputBox.attachEvent('onkeydown', doValidateInput);
               inputBox.attachEvent('onkeyup', doValidateInput);
               inputBox.attachEvent('onkeypress', doValidateInput);
            }
            else if (inputBox.addEventListener)
            {
               inputBox.addEventListener('keydown', doValidateInput,false);
               inputBox.addEventListener('keyup', doValidateInput,false);
               inputBox.addEventListener('keypress', doValidateInput,false);
            }
            if (inputBox.value.length == 0)
            {
               inputBox.value = '1';
            }
         }
      }
      function doCurrencyCalculation()
      {
         var strTest;
         if (_inputBox)
            strTest = new String(_inputBox.value);
         if (strTest == '')
         {
            _outputBox.value = strTest;
            return true;
         }
         if (_gengiFra && _gengiTil && _outputBox && strTest)
         {
            var fra = getGengiName(_gengiFra.options[_gengiFra.selectedIndex].value);
            var til = getGengiName(_gengiTil.options[_gengiTil.selectedIndex].value);
            if(fra == til)
            {
               _outputBox.value = strTest;
            }
            else
            {
               _outputBox.value = GengiCalc(fra, til, strTest);
            }
         }
      }

      var Cuurent_Ip='';

      function doValidateInput(e)
      {
         if(!e)
            var e = window.event
      
         var tmpCharcode = (e.which) ? e.which : e.keyCode;
         var strTest;

         if (_inputBox)
            strTest = new String(_inputBox.value);

         if (tmpCharcode != 44 && tmpCharcode != 190 && tmpCharcode != 188 && tmpCharcode != 110 && tmpCharcode != 8 && tmpCharcode != 13 && tmpCharcode != 46 && !(tmpCharcode >= 37 && tmpCharcode <= 40) && !(tmpCharcode >= 96 && tmpCharcode <= 105) && !(tmpCharcode >= 48 && tmpCharcode <= 57))
         {
            if (isNaN(String.fromCharCode(tmpCharcode)))
            {
               if(Cuurent_Ip=='')
               {
                  Cuurent_Ip='';
               }
               _inputBox.value=Cuurent_Ip;
               return false;
            }
         }
         Cuurent_Ip=_inputBox.value
         if (tmpCharcode == 188 || tmpCharcode == 110)
         {
            return true;
         } 
         if (strTest)
         {
            if (strTest.indexOf(",") > 0)
            {
               strTest += "0";
               strTest = strTest.replace(",",".");
            }
         }
         if (isNaN(strTest) && tmpCharcode != 8)
         {
            return false;
         }
         else if (isNaN(strTest) && tmpCharcode == 8)
         {
            return true;
         }
         else
         {
            if (strTest == '')
            {
               _outputBox.value = strTest;
               return true;
            }
            if (_gengiFra && _gengiTil && _outputBox && strTest)
            {
               var fra = getGengiName(_gengiFra.options[_gengiFra.selectedIndex].value);
               var til = getGengiName(_gengiTil.options[_gengiTil.selectedIndex].value);
               if(fra == til)
               {
                  _outputBox.value = strTest;
               }
               else
               {
                  _outputBox.value = GengiCalc(fra, til, strTest);
               }
            }
         }
         return true;
      }
function getGengiName(i) {
	return gengi[i].nafn;
}

function getGengiId(name) {
	for (var i=0;i<gengi.length;i++) {
		if (name.toLowerCase() == gengi[i].nafn.toLowerCase()) {
			return i;
		}
	}
	
	return -1;
}

function GengiCalc(gengiFra, gengiTil, tala) {
	gengiSala = gengi[getGengiId(gengiFra)].sala;
	gengiKaup = gengi[getGengiId(gengiTil)].kaup;
	var isl = (parseFloat(tala) * gengiSala);
	var amount = ((isl / gengiKaup) * 100);
	
	return (Math.round(amount) / 100);
}

function Gengi(nafn,heiti,english, kaup,sala) {
	this.nafn = nafn;
	this.kaup = kaup;
	this.sala = sala;
	this.heiti = heiti;
	this.english = english;
}

function gcompare(a, b) {
	var aText = a.heiti.replace('Í','I');
	var bText = b.heiti.replace('Í','I');
	if ( aText < bText ) return -1;
 	if ( aText > bText ) return 1;
	return 0;
}

var gengi = new Array();
 gengi[gengi.length]= new Gengi('USD', 'Bandaríkjadalur', 'US dollar', 87,87.42);
				gengi[gengi.length]= new Gengi('DKK', 'Dönsk króna', 'Danish krona', 16.571,16.667);
				gengi[gengi.length]= new Gengi('EUR', 'Evra', 'Euro', 123.57,124.27);
				gengi[gengi.length]= new Gengi('JPY', 'Japanskt jen', 'Japan Yen', .8004,.805);
				gengi[gengi.length]= new Gengi('CAD', 'Kanadadalur', 'CA dollar', 81.68,82.16);
				gengi[gengi.length]= new Gengi('NOK', 'Norsk króna', 'Norsk krona', 15.444,15.534);
				gengi[gengi.length]= new Gengi('XDR', 'SDR', 'XDR', 134.15,134.95);
				gengi[gengi.length]= new Gengi('GBP', 'Sterlingspund', 'British Pound', 153.1,153.84);
				gengi[gengi.length]= new Gengi('CHF', 'Svissneskur franki', 'Swiss frank', 77.03,77.47);
				gengi[gengi.length]= new Gengi('SEK', 'Sćnsk króna', 'Swedish krona', 13.058,13.134);
				gengi[gengi.length]= new Gengi('ISL', 'Íslensk króna', 'Icelandic krona', 1,1);
		
		gengi.sort(gcompare);