function doPopUp(url,width,height,name,option)
{
  if (!width) width = 700;
  if (!height) height = 500;
  if (!name) name= "_popup";  
  if (!option) option = "menubar=0,scrollbars=1,status=1,resizable=1";

  var w=window.open(url,name,"width="+width+",height="+height+","+option);
  if (w) w.focus();
}

function doPrint(url)
{
  var w=window.open(url,"_print");
  if (w) w.focus();
}

function doTextCounter(field, countfield, maxlimit) 
{
  if (field.value.length > maxlimit) // if too long...trim it!
    field.value = field.value.substring(0, maxlimit);
    // otherwise, update 'characters left' counter
  else 
    countfield.value = maxlimit - field.value.length;
}