function clearTextField(obj){
   obj.value='';
}

function sectionHighlightImg(){
   var img_str='home_nav';
      document.getElementById(img_str).src="/atmos_res_es/atmos_graphics/nav_header-sub-mouseover.gif";
}
function rotateNavImage(img_id,img_name){
   img1=new Image(129,13);
   img1.src="/atmos_res_es/atmos_graphics/nav_header-sub.gif";

   img2=new Image(129,13);
   img2.src="/atmos_res_es/atmos_graphics/nav_header-sub-mouseover.gif";

   document.getElementById(img_id).src = eval(img_name + ".src");
   if(img_name=='img1'){ sectionHighlightImg(); }
}
function rotateTopHdrImage(img_id,img_name){
   img1=new Image();
   img1.src="/atmos_res_es/atmos_graphics/"+img_name+".gif";
   document.getElementById(img_id).src = img1.src;
}
function rotateArrowLink(obj,to_color,status){
   if(status=="over"){ obj.className="hover"; }else{ obj.className=""; }
   parts=obj.id.split("_");
   img_id="link_arrow_"+parts[1];
   img_obj=document.getElementById(img_id);
   img_obj.src="/atmos_res_es/atmos_graphics/item_arrow_"+to_color+".gif";
}


function toPassword(oInput) {
   var newEl = document.createElement('input');
   newEl.setAttribute('type', 'password');
   newEl.setAttribute('name', 'password');
   oInput.parentNode.replaceChild(newEl,oInput);
   toPassword.el = newEl;
   setTimeout('toPassword.el.focus()',100); 
   return true;
}