function showIt(obj) {
 elem = document.getElementById(obj);
 if(elem.style.display == 'none') {elem.style.display = 'block';}
 else {elem.style.display = 'none';}
}

function uploadAction(obj,win) {
 elem = document.getElementById(obj);
 if(elem.value != '') {document.getElementById(win).style.display = 'block';}
}