function check_tilmelding() {
    
    var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
    var validate = true;
    
    if(document.getElementById('navn').value.length < 1) {
        validate = false;
        document.getElementById('navn').style.border="thin solid red";
    } else {
        document.getElementById('navn').style.border="thin solid #000";
    } 
    
    if(document.getElementById('street').value.length < 1) {
        validate = false;
        document.getElementById('street').style.border="thin solid red";
    } else {
        document.getElementById('street').style.border="thin solid #000";
    }
    
    if(document.getElementById('postnr').value.length < 1) {
        validate = false;
        document.getElementById('postnr').style.border="thin solid red";
    } else {
        document.getElementById('postnr').style.border="thin solid #000";
    }
    
    if(document.getElementById('city').value.length < 1) {
        validate = false;
        document.getElementById('city').style.border="thin solid red";
    } else {
        document.getElementById('city').style.border="thin solid #000";
    }
    
    /*if(document.getElementById('landq').selectedIndex == 0) {
        validate = false;
        document.getElementById('landq').style.border="thin solid red";
    } else {
        document.getElementById('landq').style.border="thin solid #000";
    }*/
    
    if(reg.test(document.getElementById('email').value) == false) {
        validate = false;
        document.getElementById('email').style.border="thin solid red";
    } else {
        document.getElementById('email').style.border="thin solid #000";
    }
    
    if(document.getElementById('kode1').value.length < 1) {
        validate = false;
        document.getElementById('kode1').style.border="thin solid red";
    } else {
        
        if(document.getElementById('kode1').value != document.getElementById('kode2').value) {
            validate = false;
            document.getElementById('kode1').style.border="thin solid red";
            document.getElementById('kode2').style.border="thin solid red";
            document.getElementById('dine_adg').style.display="block";
        } else {
            document.getElementById('kode1').style.border="thin solid #000";
            document.getElementById('kode2').style.border="thin solid #000";
            document.getElementById('dine_adg').style.display="none";
        }
    }
    
    if(validate == false) {
        document.getElementById('obli').style.display="block";
    }
    return validate;
    
    
    
    /*if(document.getElementById('kode1')) {
        var kode1_val = document.getElementById('kode1').value;
        if(kode1_val == "") {
            alert('Du mangler at udfylde kodeord.');
            return false;
        } else {
            return true;
        }
    }*/
}

function sikker() {        
		   doyou = confirm("Are you sure you want to delete this record?"); //Your question.

			if (doyou == true) {
				return true;
			} else if (doyou == false) {
				return false;
			}
		}