function EL(ElementId)
{
  dom = (document.getElementById) ? true : false;
  return (dom) ? document.getElementById(ElementId) : document.all[ElementId];
}

//pass min and max -measured against window width
function P7_MinMaxW(a,b)
{
  var nw="auto",w=document.documentElement.clientWidth;
  if(w>=b){nw=b+"px";}if(w<=a){nw=a+"px";}return nw;
}

function get_cookie(name) 
{
  var start = document.cookie.indexOf(name+"="); 
  var len = start+name.length+1;
  if ((!start) && (name != document.cookie.substring(0,name.length))) return null; 
  if (start == -1) return null; 
  var end = document.cookie.indexOf(";",len); 
  if (end == -1) end = document.cookie.length; 
  return unescape(document.cookie.substring(len,end));
}
 
function set_cookie(name, value, expires, path, domain, secure) 
{ 
  expires = expires * 60*60*24*1000;
  var today = new Date();
  var expires_date = new Date( today.getTime() + (expires) );
  var cookieString = name + "=" +escape(value) + 
  ( (expires) ? ";expires=" + expires_date.toGMTString() : "") + 
  ( (path) ? ";path=" + path : "") + 
  ( (domain) ? ";domain=" + domain : "") + 
  ( (secure) ? ";secure" : ""); 
  document.cookie = cookieString; 
}

function delete_cookie(name, path, domain) 
{
  if (get_cookie(name)) document.cookie = name + "=" +
    ( ( path ) ? ";path=" + path : "") +
    ( ( domain ) ? ";domain=" + domain : "" ) +
    ";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}