/*
Copyright 2007 Weight Loss Resources Ltd. - All rights reserved.

The modification of this code and associated HTML elements in whole or in part may only be
made with the express written consent of Weight Loss Resources Ltd.

Permission is granted for C4 Enterprises to modify the HTML and associated CSS sufficient to
fit the look and feel of the Channel 4 website. All wording, links and other devices are to
remain intact.
*/
var days = new Array("SUN", "MON", "TUE", "WED", "THU", "FRI", "SAT");
var months = new Array("JAN", "FEB", "MAR", "APR", "MAY", "JUN", "JUL", "AUG", "SEP", "OCT", "NOV", "DEC");
function calc() {
  var ds = document.getElementById("dressCalcForm");
  var cs = ds.curr.value*1;
  var gs = ds.goal.value*1;
  var gday = new Date();
  if (cs>=gs) {
    gday.setDate(gday.getDate()+(cs-gs)*21);
    document.getElementById("day").firstChild.nodeValue = days[gday.getDay()];
    document.getElementById("date").firstChild.nodeValue = gday.getDate();
    document.getElementById("month").firstChild.nodeValue = months[gday.getMonth()];
    document.getElementById("year").firstChild.nodeValue = gday.getFullYear();
  }
  else {
    alert("Please select a lower Goal Dress Size");
  }
}
function changeCurr() {
  var cOpts = document.getElementById("dressCalcForm").curr;
  var gOpts = document.getElementById("dressCalcForm").goal;
  for (i=gOpts.length-1; i>=0; i--) {
    gOpts.options[i] = null;
  }
  for (i=0; i<cOpts.length-cOpts.selectedIndex; i++) {
    gOpts.options[i] = new Option(cOpts.options[i+cOpts.selectedIndex].text, cOpts.options[i+cOpts.selectedIndex].value);
  }
}