function changeRow(namn)
{
	/*if (document.all[namn].style.display == '')
		document.all[namn].style.display = 'none';
	else
		document.all[namn].style.display = '';
	*/

        if (document.getElementById(namn).style.display == '')
		document.getElementById(namn).style.display = 'none';
	else
		document.getElementById(namn).style.display = '';

	return true;
}

function changeRowAbout(namn){



     for(i = 0; i < 10; i++)
        if(document.getElementById('historia.' + i))
            document.getElementById('historia.' + i).style.display = 'none';

    if(document.getElementById('stodforening.0'))
        document.getElementById('stodforening.0').style.display = 'none';

      if(document.getElementById('medlemmar.0'))
        document.getElementById('medlemmar.0').style.display = 'none';

    if(document.getElementById('aktivamedlemmar.0'))
        document.getElementById('aktivamedlemmar.0').style.display = 'none';

    if(document.getElementById('styrelsen.0'))
        document.getElementById('styrelsen.0').style.display = 'none';

    if(document.getElementById(namn + '.0'))
        document.getElementById(namn + '.0').style.display = '';

}

function changeRowHistory(namn)
{
 
    for(i = 0; i < 10; i++) {
         
        if(document.getElementById('historia.' + i)) {
           
            document.getElementById('historia.' + i).style.display = 'none';
        }
        
    }

    if(document.getElementById(namn))
        document.getElementById(namn).style.display = '';

	return true;
}

function toggleCheckboxYearCentury(checkbox,century) {

    century = parseInt(century);
    
    for(i = century; i < century+10; i++) {
        if(document.getElementById(checkbox + i)) {
            if(document.getElementById(checkbox + i).checked)
                document.getElementById(checkbox + i).checked = false;
            else
                document.getElementById(checkbox + i).checked = true;
        }
    }

}

function toggleCheckboxYearOne(checkbox,year)
{

    year = parseInt(year);

    var now = new Date();

    for(i = 1870 + year; i < now.getFullYear();i) {
        if(document.getElementById(checkbox + i)) {
            if(document.getElementById(checkbox + i).checked)
                document.getElementById(checkbox + i).checked = false;
            else
                document.getElementById(checkbox + i).checked = true;
        }

        i += 10;

    }

}

function checkboxBetweenYears(checkbox) {

    var start = 0;
    var end = 0;

    var now = new Date();

    for(i = 1870; i <= now.getFullYear(); i++) {
        if(document.getElementById(checkbox + i)) {
            if(document.getElementById(checkbox + i).checked) {
                if(start == 0)
                    start = i;
                else
                    end = i;
            }
        }
    }

    if(start > 0 && end > 0)
        for(i = start; i <= end; i++)
            document.getElementById(checkbox + i).checked = true;

}

function checkboxClearYears(checkbox) {

    var now = new Date();

    for(i = 1870; i <= now.getFullYear(); i++)
        if(document.getElementById(checkbox + i))
            document.getElementById(checkbox + i).checked = false;

}