ÿþfunction CheckGeboorteDatum()

{

    var monthLength = new Array(31,28,31,30,31,30,31,31,30,31,30,31);



    var day = parseInt(document.getElementById('ctl00_cphContent_ctrlProfileDetail_txtDag'));

    var month = parseInt(document.getElementById('ctl00_cphContent_ctrlProfileDetail_txtMaand'));

    var year = parseInt(document.getElementById('ctl00_cphContent_ctrlProfileDetail_txtJaar'));



    if (!day || !month || !year) 

	    return false;



    if (year/4 == parseInt(year/4))

	    monthLength[1] = 29;



    if (day > monthLength[month-1])

	    return false;



    monthLength[1] = 28;



    return true;

}





 function submitform(sButtonName)

 {

 //onkeydown="submitform('')"

 if ((event.which && event.which == 13) || (event.keyCode && event.keyCode == 13))

 {

    event.returnValue=false;

    event.cancel = true; 



    var eleButton = document.getElementById(sButtonName)

    eleButton.click(event);

    return false;

 } 

 else {

        return true;

    }

 }

function ValiLogin(eleuserid, elepwdid, eleckbid, elerlnrid)

{

    var eleUser = document.getElementById(eleuserid);

    var elePwd = document.getElementById(elepwdid);

    var eleCheckbox = document.getElementById(eleckbid);

    var eleRelNr = document.getElementById(elerlnrid);

    

    var err = '';

    

    if (eleUser.value == ''){err += '- Gebruikersnaam\n'}

    if (elePwd.value == ''){err += '- Wachtwoord\n'}

    if (eleCheckbox.checked) {

        if (eleRelNr.value == '') {err +='- Relatienummer\n'}

    }



    if (err == '') {

        return true;

    }

    else {

        alert(err)

        return false;

    }

}

function CheckMaxBestelAantal(txt, maxaantal)

{

    if (maxaantal != 0) {

        if (txt.value > maxaantal) {

        

            if(maxaantal == 1)

                alert ('U kunt slechts één exemplaar van dit artikel bestellen');

            else

                alert('U kunt maximaal ' + (maxaantal == -1 ? 1000 : maxaantal) + ' exemplaren bestellen');



            return false;

        }

        else {

            return true;

        }

    }

    else {

        return true;

    }

}

sfHover = function() {

	var sfEls = document.getElementById("main_menu").getElementsByTagName("LI");

	for (var i=0; i<sfEls.length; i++) {

		sfEls[i].onmouseover=function() {

			this.className+=" sfhover";

		}

		sfEls[i].onmouseout=function() {

			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");

		}

	}

}

if (window.attachEvent) window.attachEvent("onload", sfHover);



function showhide(ele)

{

    var ul = ele.parentNode.getElementsByTagName('ul');

    if (ul.length != 0) {

      for (var i = 0; i < ul.length; i++) {

        if (ul[i].style.display == 'none') {

            ul[i].style.display = 'block';

        }

        else {

            ul[i].style.display = 'none';

        }

      }

    }

    else {

        var div = ele.parentNode.getElementsByTagName('div');

        if (div.length != 0) {

            if (div[0].style.display == 'none') {

                div[0].style.display = 'block';

            }

            else {

                div[0].style.display = 'none';

            }

        }

    }

}