// Button Rollover Code
function rollOverNew(imgID, imgName) {
  document.getElementById(imgID).setAttribute('src', imgName);
}

function newWindow(url, name, h, w) {
  //Includes scrolls, nothing else.
  theWindow = window.open(url, name,'height='+h+',width='+w+',resizable=no,scrollbars=yes,toolbar=no,location=no,directories=no,status=no,menubar=no,copyhistory=no');
  theWindow.focus();
}

function getDate(fn) {
  var today = new Date();
  var month = today.getMonth();
  var day = today.getDate();
  var year = today.getFullYear();
  var objForm = document.getElementById(fn);

  for(i = 0; i < 12; i++) {
    if (i = month) {
      objForm.backpack_birthmonth.options[month].select = true;
      break;
    }
  }

  for (i = 0; i < 31; i++) {
    var y = String(i + 1);
    objForm.backpack_birthday.options[i] = new Option(y, y);
  }

  for (i = 0, j = year; i < 110; i++, j--) {
    var z = String(j);
    objForm.backpack_birthyear.options[i] = new Option(z, z);
  }
}

function setDate(fn) {
  var t3 = 0;

  if(fn.backpack_birthmonth.options[1].selected) {
    t3 = 29;
  } else if (fn.backpack_birthmonth.options[8].selected || fn.backpack_birthmonth.options[3].selected || fn.backpack_birthmonth.options[5].selected || fn.backpack_birthmonth.options[10].selected) {
    t3 = 30;
  } else {
    t3 = 31;
  }

  fn.backpack_birthday.options.length = 0;

  for (var i = 0; i < t3 ; i++) {
    var x = String(i + 1);
    fn.backpack_birthday.options[i] = new Option(x);
  }
}

// copyright 1999 Idocs, Inc. http://www.idocs.com
// Distribute this script freely but keep this notice in place
function numbersonly(myfield, e, dec) {
  var key;
  var keychar;

  if (window.event) {
    key = window.event.keyCode;
  } else if (e) {
    key = e.which;
  } else {
    return true;
  }

  keychar = String.fromCharCode(key);

  // control keys
  if ((key==null) || (key==0) || (key==8) ||
      (key==9) || (key==13) || (key==27) ) {
    return true;
  } else if ((("0123456789-").indexOf(keychar) > -1)) { // numbers
    return true;
  } else {
    return false;
  }
}

// Populates part name field with file name once the file is selected selected
function getFileExt() {
  var filePathValue = document.getElementById('imageToUpload').value;
  var fileExt = filePathValue.substr(filePathValue.lastIndexOf('.') + 1, filePathValue.length);
  var fieldPartName = document.getElementById('backpack_fileext');

  fieldPartName.value = fileExt;
}

// Switch Photo Gallery Large Image
function chgLgPhoto(imgNum) {
  var browserName = navigator.appName;

  document.getElementById('lgPhoto').setAttribute('src', 'img/gallery/lg_' + imgNum + '.jpg');

  var getOnPhotoObj = getElementsByClassName('galleryImageOn', 'div');
  var turnItOff = '';
  for (var i = 0, j = getOnPhotoObj.length; i < j; i++) {
    turnItOff = document.getElementById(getOnPhotoObj[i].getAttribute('id'));

    turnItOff.setAttribute('className', 'galleryImage');
    turnItOff.setAttribute('class', 'galleryImage');
  }

  var getNewThumbnailObj = document.getElementById('gi_' + imgNum);
  getNewThumbnailObj.setAttribute('className', 'galleryImageOn');
  getNewThumbnailObj.setAttribute('class', 'galleryImageOn');
}


/*
v1.03 Copyright (c) 2006 Stuart Colville
http://muffinresearch.co.uk/archives/2006/04/29/getelementsbyclassname-deluxe-edition/

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
  
function getElementsByClassName(strClass, strTag, objContElm) {
  strTag = strTag || "*";
  objContElm = objContElm || document;    
  var objColl = objContElm.getElementsByTagName(strTag);
  if (!objColl.length &&  strTag == "*" &&  objContElm.all)
    objColl = objContElm.all;
  var arr = new Array();                              
  var delim = strClass.indexOf('|') != -1  ? '|' : ' ';   
  var arrClass = strClass.split(delim);    
  for (var i = 0, j = objColl.length; i < j; i++) {                         
    var arrObjClass = objColl[i].className.split(' ');   
    if (delim == ' ' && arrClass.length > arrObjClass.length)
      continue;
    var c = 0;
    comparisonLoop:
    for (var k = 0, l = arrObjClass.length; k < l; k++) {
      for (var m = 0, n = arrClass.length; m < n; m++) {
        if (arrClass[m] == arrObjClass[k])
          c++;
        if ((delim == '|' && c == 1) || (delim == ' ' && c == arrClass.length)) {
          arr.push(objColl[i]); 
          break comparisonLoop;
        }
      }
    }
  }
  return arr; 
}