 <!-- 
var mandatoryFields = "";
     function SubmitThis(theUrl)
     {
        
        var aMandatoryFields = mandatoryFields.split(",");
        var returnMessage = "";
        if (aMandatoryFields.length > 0){
            returnMessage = checkMandatoryFields(aMandatoryFields);
        }
        if (returnMessage == ""){
            document.forms['frm_wijzig'].submit();
        }else{
            alert ("De volgende verplichte velden heeft u nog niet ingvuld:\n\n" + returnMessage + "\n\nWilt u deze aub alsnog invullen?");
        }
     }
     
     function thisSubmit(theUrl)
     {
        var theURI = getCheckedValue(document.forms['frm_wijzigpolis'].watwijzig);
        document.forms['frm_wijzigpolis'].action='?type=' + theURI;
        document.forms['frm_wijzigpolis'].submit();
     }
     
    function getCheckedValue(radioObj) 
    {
            if(!radioObj)
                    return "";
            var radioLength = radioObj.length;
            if(radioLength == undefined)
                    if(radioObj.checked)
                            return radioObj.value;
                    else
                            return "";
            for(var i = 0; i < radioLength; i++) {
                    if(radioObj[i].checked) {
                            return radioObj[i].value;
                    }
            }
            return "";
    }
    
    function checkMandatoryFields(aFields){
        var retVal = "";
        var curField;
        var validEmail = "";
        for (var i=0; i<aFields.length;i++){
            curField = eval("document.forms['frm_wijzig']." + aFields[i]);
            if (curField.value == "")
            {
                retVal += "- " + aFields[i] + "\n";
            }
            
                if (aFields[i] == "emailadres"){
                    var re = /.*\@.*/;
                    if(!re.test(curField.value)){
                        validEmail = "Vul aub ook een geldig e-mail adres in.";
                    }
                }
            
        }
        retVal += validEmail;
        return retVal;
    }
    
    function unhideDiv(iNumber){
        if(!document.getElementById){
          if(document.all)
          document.getElementById=function(){
            if(typeof document.all[arguments[0]]!="undefined")
            return document.all[arguments[0]]
            else
            return null;
          }
          else if(document.layers)
          document.getElementById=function(){
            if(typeof document[arguments[0]]!="undefined")
            return document[arguments[0]]
            else
            return null;
          }
        }        
        var Element01 = document.getElementById("chg_options1");
        var Element02 = document.getElementById("chg_options2");
        switch(parseInt(iNumber)){
            case 1:
                Element01.style.display = 'block';
                Element02.style.display = 'block';
                break;            
            case 2:
                Element01.style.display = 'block';
                Element02.style.display = 'block';
                break;            
            case 3:
                Element01.style.display = 'block';
                Element02.style.display = 'none';
                break;            
            case 4:
                Element01.style.display = 'block';
                Element02.style.display = 'none';
                break;            
            case 5:
                Element01.style.display = 'block';
                Element02.style.display = 'block';
                break;            
        
        }
    }
    
 // -->