function changeClass(oldid, newclass)
{
	window.document.getElementById(oldid).className=newclass;
}
function initXmlHttp()
{
	var xmlHttp=null;
	try
	{ xmlHttp=new XMLHttpRequest(); }
	catch (e)
	{
		try
		{ xmlHttp=new ActiveXObject("Msxml2.XMLHTTP"); }
		catch (e)
		{ xmlHttp=new ActiveXObject("Microsoft.XMLHTTP"); }
	}
	return xmlHttp;
}
function lcal_loadData($query, $target)
{
	var xmlHttp = initXmlHttp();
	xmlHttp.open('POST', '/modules/evk/evk.php', true);
	xmlHttp.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
	xmlHttp.send($query);
	xmlHttp.onreadystatechange = function()
	{
		if(xmlHttp.readyState == 4)
		{
			if($target == 'return')
			{
				return xmlHttp.responseText;
			}
			else
			{
				window.document.getElementById($target).innerHTML = xmlHttp.responseText;
			}
		}
	}
}
function lcal_buildIQuery($form, $function, $return)
{
	$querystring = $function;
	for($i = 0; $i < window.document.getElementById($form).length; $i++)
	{
		switch(window.document.getElementById($form)[$i].type)
		{

			case 'radio':
			if(window.document.getElementById($form)[$i].checked == true)
			{ $querystring = $querystring + '&' + window.document.getElementById($form)[$i].name + '=' + escape(window.document.getElementById($form)[$i].value); }
			break;
			
			case 'select-one':
				var sel = window.document.getElementById($form)[$i];
				for(i=0; i< sel.options.length; i++) 
				{
					if (sel.options[i].selected == true)
					{
						$querystring = $querystring + '&' + sel.name + '=' + escape(sel.options[i].value);
					}
				}
			break;
			case 'text':
				$querystring = $querystring + '&' + window.document.getElementById($form)[$i].name + '=' + escape(window.document.getElementById($form)[$i].value);
			break;
			case 'textarea':
				$querystring = $querystring + '&' + escape(window.document.getElementById($form)[$i].name) + '=' + escape(window.document.getElementById($form)[$i].value);
			break;
			case 'password':
				$querystring = $querystring + '&' + escape(window.document.getElementById($form)[$i].name) + '=' + escape(window.document.getElementById($form)[$i].value); 
			break;
			case 'hidden':
				if(window.document.getElementById($form)[$i].name != '')
				{
					$querystring = $querystring + '&' + escape(window.document.getElementById($form)[$i].name) + '=' + escape(window.document.getElementById($form)[$i].value);
				}
			break;
			case 'checkbox':
				$querystring = $querystring + '&' + window.document.getElementById($form)[$i].name + '=' + ((window.document.getElementById($form)[$i].checked) ? '1' : '0'); 
			break;
		}
	}
	lcal_loadData($querystring, $return);	
}
function addTime($containerId, $appendToId, $returnFunctionsTo)
{
	$appendTo = window.document.getElementById($appendToId);
	$newContainer = document.createElement('div');
	$newContainer.id = 'Timecontrol' + $containerId;
	$newContainer.className = 'Timecontrol';
	$appendTo.appendChild($newContainer);
	$returnFunctionsTo.innerHTML = '<a class="function" onclick="addTime(' + ($containerId + 1) + ', \'' + $appendToId + '\', this.parentNode); lcal_loadData(\'lcal_function=addTime&id=' + ($containerId + 1) + '\', \'Timecontrol' + ($containerId + 1) + '\');">L&auml;gg till tidpunkt</a><a class="function" onclick="removeTime(\'Timesection\', ' + ($containerId - 1) + ', this.parentNode);">Ta bort tidpunkt</a>';
}
function daysInMonth($month, $year, $target)
{
	$date = new Date($year, $month, 0);
	$daysInMonth = $date.getDate();
	$daysInOld = window.document.getElementById($target).length;
	if($daysInMonth > $daysInOld)
	{
		for($i = 1; $i <= ($daysInMonth - $daysInOld); $i++)
		{
			var $option = document.createElement('option');
			$option.value = $daysInOld + $i;
			$option.text = $daysInOld + $i;
			try { window.document.getElementById($target).add($option, null); }
			catch(ie) { window.document.getElementById($target).add($option); }
		}
	}
	if($daysInMonth < $daysInOld)
	{
		for($i = 1; $i <= ($daysInOld - $daysInMonth); $i++)
		{
			window.document.getElementById($target).remove($daysInOld - $i);
		}
	}
}
function removeTime($appendToId, $num, $returnFunctionsTo)
{
	$list = window.document.getElementById($appendToId);
	$list.removeChild($list.lastChild);
	$returnFunctionsTo.innerHTML = '<a class="function" onclick="addTime(' + ($num+1) + ', \'' + $appendToId + '\', this.parentNode); lcal_loadData(\'lcal_function=addTime&id=' + ($num+1) + '\',\'Timecontrol' + ($num+1) + '\');">L&auml;gg till tidpunkt</a>';
	$num != 1 ? $returnFunctionsTo.innerHTML = $returnFunctionsTo.innerHTML + '<a class="function" onclick="removeTime(\'Timesection\', ' + ($num-1) + ', this.parentNode);">Ta bort tidpunkt</a>' : null;
}