// This function is used for the Suckerfish (flyout) menus
sfHover = function() {
    if(!document.getElementById("nav")) {
        return;
    }
    var sfEls = document.getElementById("nav").getElementsByTagName("LI");
    for (var i=0; i<sfEls.length; i++) {
        sfEls[i].onmouseover=function() {
            this.className+=" sfhover";
        }
        sfEls[i].onmouseout=function() {
            this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
        }
    }
}
if (window.attachEvent) window.attachEvent("onload", sfHover);


// SELECT HIDE FIX FOR IE
function hideSelects(action) {
    //documentation for this script at http://www.shawnolson.net/a/1198/
    //possible values for action are 'hidden' and 'visible'
    if (action!='visible'){action='hidden';}
    if (navigator.appName.indexOf("MSIE")) {
        for (var S = 0; S < document.forms.length; S++){
            for (var R = 0; R < document.forms[S].length; R++) {
                if (document.forms[S].elements[R].options) {
                    document.forms[S].elements[R].style.visibility = action;
                }
            }
        }
    }
}

function checkLogout(theUrl) {
    if (confirm('Are you sure you want to logout?') == true) {
        window.location.href = theUrl + '?logout=true';
    }
}

function checkALL(checkbox, theElement) {
    for (i = 0; i < document.getElementsByName('' + theElement + '').length; i++) {
        document.getElementsByName('' + theElement + '')[i].checked = checkbox.checked;
    }
}

function checkCancel(theLink) {
    if (confirm('Are you sure you want to cancel these changes?') == true) {
        window.location.href = theLink;
    }
}

function submitOnEnter(theEvent, formId) {
    theEvent = (theEvent) ? theEvent : event;
    var charCode = (theEvent.charCode) ? theEvent.charCode :
        ((theEvent.which) ? theEvent.which : theEvent.keyCode);
    if (charCode == 13 || charCode == 3) {
        $(formId).submit();
    }
}

function getSelectedRadio(buttonGroup) {
   // returns the array number of the selected radio button or -1 if no button is selected
   if (buttonGroup[0]) { // if the button group is an array (one button is not an array)
      for (var i=0; i<buttonGroup.length; i++) {
         if (buttonGroup[i].checked) {
            return i
         }
      }
   } else {
      if (buttonGroup.checked) { return 0; } // if the one button is checked, return zero
   }
   // if we get to this point, no radio button is selected
   return -1;
} // Ends the "getSelectedRadio" function

function getSelectedRadioValue(buttonGroup) {
   // returns the value of the selected radio button or "" if no button is selected
   var i = getSelectedRadio(buttonGroup);
   if (i == -1) {
      return "";
   } else {
      if (buttonGroup[i]) { // Make sure the button group is an array (not just one button)
         return buttonGroup[i].value;
      } else { // The button group is just the one button, and it is checked
         return buttonGroup.value;
      }
   }
} // Ends the "getSelectedRadioValue" function

function getSelectedCheckbox(buttonGroup) {
   // Go through all the check boxes. return an array of all the ones
   // that are selected (their position numbers). if no boxes were checked,
   // returned array will be empty (length will be zero)
   var retArr = new Array();
   var lastElement = 0;
   if (buttonGroup[0]) { // if the button group is an array (one check box is not an array)
      for (var i=0; i<buttonGroup.length; i++) {
         if (buttonGroup[i].checked) {
            retArr.length = lastElement;
            retArr[lastElement] = i;
            lastElement++;
         }
      }
   } else { // There is only one check box (it's not an array)
      if (buttonGroup.checked) { // if the one check box is checked
         retArr.length = lastElement;
         retArr[lastElement] = 0; // return zero as the only array value
      }
   }
   return retArr;
} // Ends the "getSelectedCheckbox" function

function getSelectedCheckboxValue(buttonGroup) {
   // return an array of values selected in the check box group. if no boxes
   // were checked, returned array will be empty (length will be zero)
   var retArr = new Array(); // set up empty array for the return values
   var selectedItems = getSelectedCheckbox(buttonGroup);
   if (selectedItems.length != 0) { // if there was something selected
      retArr.length = selectedItems.length;
      for (var i=0; i<selectedItems.length; i++) {
         if (buttonGroup[selectedItems[i]]) { // Make sure it's an array
            retArr[i] = buttonGroup[selectedItems[i]].value;
         } else { // It's not an array (there's just one check box and it's selected)
            retArr[i] = buttonGroup.value;// return that value
         }
      }
   }
   return retArr;
} // Ends the "getSelectedCheckBoxValue" function