function showHideDiv(objSel){
switch(objSel.options[objSel.selectedIndex].value){
case "": //hide divs
doForms('kankeetkaduv', 'hide');
break;
case "muu":
doForms('kankeetkaduv', 'show');
break;
}
}
function doForms(id, newClass)
{
id=document.getElementById(id)
id.className=newClass;
}