/* Function that disables the primary screen stylesheet and enables the alternate screen stylesheet. */

function changeStyles() {
  var style_dec;
  for (i=0; (style_dec = document.getElementsByTagName("link")[i]); i++) {
    if (style_dec.getAttribute("rel").indexOf("style") != -1 && style_dec.getAttribute("title")) {
	  style_dec.disabled = true;
	  if (style_dec.getAttribute("title") == 'print_preview')
	    style_dec.disabled = false;
    }
  }
}

/* Function that opens the send page window. */

function sendPage() {
  window.open('http://www.cardiffhalfmarathon.co.uk/send_page.htm?url=' + document.URL, 'winName', 'height=865, width=620, scrollbars=yes, toolbar=no, status=no, resizable=yes');
}

/* Function that opens the print preview window. */

function printPage() {
  var qstring = window.location.href;
  var pattern = /.jsp/;
  result = pattern.test(qstring);
  if (result == true) {
    window.open(window.location.href + "&style=print", 'winName', 'height=425, width=650, scrollbars=yes, toolbar=yes, menubar=yes, status=yes, resizable=yes');
  } else {
    window.open(window.location.href + "?style=print", 'winName', 'height=425, width=650, scrollbars=yes, toolbar=yes, menubar=yes, status=yes, resizable=yes');
  }
}