function checkinput(id){

    if(document.getElementById('obl_' + id.name)){
    
        document.getElementById('obl_' + id.name).value = id.value;
        
        if(id.value == ''){
            id.style.border = 'solid 1pt red';  
        }
    }
}
    
function checkform(form){

    for(i=0; i<form.elements.length; i++){
        
        var chk = form.elements[i];
        
        if(document.getElementById('obl_' + chk.name)){
        
            if(document.getElementById('obl_' + chk.name).value == ''){
                alert('Fyll i fält märkta med *');
                return false;
            }
        }
    }
    
    return true ;
}