function popup (url)
{ 
  window.open(url,"Help","top=150,left=300,width=700,height=500,scrollbars=yes");
}
function helppopup (url,prop)
{ 
  window.open(url,"Help",prop);
}
function popupvar (url,name,properties)
{ 
  childwindow = window.open(url,name,properties);
  if(childwindow){
	childwindow.focus();
  }
}