function winopen(url, winname, width, height)
{
	var popup = window.open(url,winname,'toolbar=no,location=no,menubar=no,scrollbars=yes,width='+width+',height='+height+',resizable=yes,status=no');
	popup.focus();
}

function popup(theURL,winName,features)
{
	window.open(theURL,winName,features);
}

function toggle(sObjId)
{
	if(oObj = document.getElementById(sObjId))
	{	
		oObj.style.display = (oObj.style.display=='block') ? 'none' : 'block';
	}
}

function pop_check_out()
{
	window.opener.location = 'index.php?sid=13';
	window.close();
	window.opener.focus();
	return false;
}

function check_this_form()
{
	args = check;//check_this_form.arguments;
	
	var ret = new Array();
	
	for (i=0; i<(args.length); i++)
	{	
		if((o = document.getElementById(args[i])) && args[i] != 'to')
		{
			if(o.value == '')
			{
				// fout
				o.style.backgroundColor = "#DDDDDD";
				ret[ret.length] = false;
			}
			else
			{
				// goed
				o.style.backgroundColor = "#FFFFFF";
			}
		}
	}
	
	if(ret.length > 0)
	{
		if(o = document.getElementById('form_error_report'))
		{	
			o.innerHTML = 'De gemarkeerde velden zijn verplicht om in te vullen.';
		}
		
		return false;
	}
	else
	{
		return true;
	}
}