function underline(id){
	document.getElementById(id).style.textDecoration = "underline";
}

function delUnderline(id){
	document.getElementById(id).style.textDecoration = "none";
}



function checkForm(formname) {
	elems = document.all(formname).elements;
	tel= 0;
	document.all(formname).fields.value = '';
	for(i = 0; i < elems.length; i++) {
		element = null;
		element = document.getElementById(elems[i].name + '_');
		document.all(formname).fields.value = document.all(formname).fields.value + elems[i].name + ',';
		if (element) {
			element.style.display = 'none';
			if (elems[i].value == '') {
				tel = tel + 1;
				element.style.display = '';
			} else {
				if (elems[i].type == 'checkbox') {
					if (elems[i].checked == false) {
						tel = tel + 1;
						element.style.display = '';
						element.style.color = '#FF0000';
					} else {
						element.style.display = '';
						element.style.color = '#000000';
					}
				}
				if (elems[i].name.substr(0,5) == 'email') {
					if (!isEmail(elems[i].value)) {
						tel = tel + 1;
						
							elems[i].value = $('emailerror').value;
						
						element.style.display = '';
					}
				}
			}
		}
	}
	passerror = 0;
	if (document.all(formname).password) {
		if (document.all(formname).password.value != document.all(formname).rep_password.value) {
			passerror = 1;
			tel = tel + 1;
			document.all('password_').style.display = '';
			document.all('rep_password_').style.display = '';
		}
	}
	element = document.getElementById('showcheck');
	if (tel == 0) {
		document.all(formname).submit();
	} else {
		if (passerror == 0) {
			
				element.innerHTML = '<b><font color="#4D4C7B">* ' + $('vulin').value + ' [' + tel + ']</font></b>';
			
		} else {
			element.innerHTML = '<font color="#FF0000"><b>* Herhaal uw wachtwoord correct</b></font>';
		}
	}
}

function checkField(elm, n) {
	if (elm.value == '') {
		elm.value = n;
	} else {
			if (elm.value == n) {
			elm.value = '';
		}
	}
}

function isEmail(string) {
	if (string.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1)
		if (string.search(/.com/) != -1 | string.search(/.nl/) != -1 | string.search(/.net/) != -1 | string.search(/.org/) != -1 | string.search(/.nu/) != -1 | string.search(/.biz/) != -1 | string.search(/.info/) != -1 | string.search(/.be/) != -1) {
			return true;
		}
	else
		return false;
}