function clearField(obj) {
	if(obj.defaultValue==obj.value) obj.value='';
}

function roll_over(img_name, img_src) {
	document[img_name].src = img_src;
}

function change_image(img_name, img_src) {
	document[img_name].src = img_src;
}

function change_link(link_name, href_src) {
	document.getElementById(link_name).href = href_src;
}

function changeBox()
{
   document.getElementById('password_1').style.display='none';
   document.getElementById('password_2').style.display='';
   document.getElementById('j_password').focus();
}

function restoreBox()
{
   if(document.getElementById('j_password').value=='')
   {
     document.getElementById('password_1').style.display='';
     document.getElementById('password_2').style.display='none';
   }
}