addEvent(window, 'load', initForm);

var highlight_array = new Array();

function initForm(){
	browserDetect();
	initializeFocus();
	ifInstructs();
	
	if (typeof(wufoo_hooks) == 'function'){
		wufoo_hooks();
	}
	
	if (typeof(hook) != 'function'){
		function hook(which, type){}
	}
}

// for radio and checkboxes, they have to be cleared manually, so they are added to the
// global array highlight_array so we dont have to loop through the dom every time.
function initializeFocus(){
	fields = getElementsByClassName(document, "*", "field");
	for(i = 0; i < fields.length; i++) {
		if (typeof(wufoo_skip) == 'undefined' || typeof(wufoo_skip) != 'undefined' && !in_array(fields[i].id, wufoo_skip)) {
			if(fields[i].type == 'radio' || fields[i].type == 'checkbox') {
				fields[i].onclick = function(){clearSafariRadios(); addClassName(this.parentNode.parentNode.parentNode, "focused", true); hook(this, 'click')};
				fields[i].onfocus = function(){clearSafariRadios(); addClassName(this.parentNode.parentNode.parentNode, "focused", true); hook(this, 'focus')};
				highlight_array.splice(highlight_array.length,0,fields[i]);
			}
			else if(fields[i].className.match('addr')){
				fields[i].onfocus = function(){clearSafariRadios(); addClassName(this.parentNode.parentNode.parentNode, "focused", true); hook(this, 'focus')};
				fields[i].onblur = function(){removeClassName(this.parentNode.parentNode.parentNode, "focused"); hook(this, 'blur')};
			}
			else if(fields[i].className.match('other')){
				fields[i].onfocus = function(){clearSafariRadios(); addClassName(this.parentNode.parentNode.parentNode, "focused", true); hook(this, 'focus')};
			}
			else {
				fields[i].onfocus = function(){clearSafariRadios();addClassName(this.parentNode.parentNode, "focused", true); hook(this, 'focus')};
				fields[i].onblur = function(){removeClassName(this.parentNode.parentNode, "focused"); hook(this, 'blur')};
				fields[i].click = function(){removeClassName(this.parentNode.parentNode, "focused"); hook(this, 'click')};
			}
		}
	}
}

function clearSafariRadios() {
	for(var i = 0; i < highlight_array.length; i++) {
		if(highlight_array[i].parentNode) {
			removeClassName(highlight_array[i].parentNode.parentNode.parentNode, 'focused');
		}
	}
}

function ifInstructs(){
	var container = document.getElementById('public');
	if(container){
		removeClassName(container,'noI');
		var instructs = getElementsByClassName(document,"*","instruct");
		if(instructs == ''){
			addClassName(container,'noI',true);
		}
		if(container.offsetWidth <= 450){
			addClassName(container,'altInstruct',true);
		}
	}
}

function browserDetect(){
	var detect = navigator.userAgent.toLowerCase();
	var container = document.getElementsByTagName('html');
	if(detect.indexOf('firefox') + 1){
		addClassName(container[0], 'firefox', true);
	}
	else if(detect.indexOf('chrome') + 1){
		addClassName(container[0], 'chrome', true);
	}
	else if(detect.indexOf('safari') + 1){
		addClassName(container[0], 'safari', true);
	}
}

function showRangeCounters(){
	counters = getElementsByClassName(document, "em", "currently");
	for(i = 0; i < counters.length; i++) {
		counters[i].style.display = 'inline';
	}
}

function validateRange(ColumnId, RangeType) {
	if(document.getElementById('rangeUsedMsg'+ColumnId)) {
		var field = document.getElementById('Field'+ColumnId);
		var msg = document.getElementById('rangeUsedMsg'+ColumnId);

		switch(RangeType) {
			case 'character':
				msg.innerHTML = field.value.length;
				break;
				
			case 'word':
				var val = field.value;
				val = val.replace(/\n/g, " ");
				var words = val.split(" ");
				var used = 0;
				for(i =0; i < words.length; i++) {
					if(words[i].replace(/\s+$/,"") != "") used++;
				}
				msg.innerHTML = used;
				break;
				
			case 'digit':
				msg.innerHTML = field.value.length;
				break;
		}
	}
}

/*--------------------------------------------------------------------------*/

//http://www.robertnyman.com/2005/11/07/the-ultimate-getelementsbyclassname/
function getElementsByClassName(oElm, strTagName, strClassName){
	var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
	var arrReturnElements = new Array();
	strClassName = strClassName.replace(/\-/g, "\\-");
	var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$)");
	var oElement;
	for(var i=0; i<arrElements.length; i++){
		oElement = arrElements[i];		
		if(oRegExp.test(oElement.className)){
			arrReturnElements.push(oElement);
		}	
	}
	return (arrReturnElements)
}

//http://www.bigbold.com/snippets/posts/show/2630
function addClassName(objElement, strClass, blnMayAlreadyExist){
   if ( objElement.className ){
      var arrList = objElement.className.split(' ');
      if ( blnMayAlreadyExist ){
         var strClassUpper = strClass.toUpperCase();
         for ( var i = 0; i < arrList.length; i++ ){
            if ( arrList[i].toUpperCase() == strClassUpper ){
               arrList.splice(i, 1);
               i--;
             }
           }
      }
      arrList[arrList.length] = strClass;
      objElement.className = arrList.join(' ');
   }
   else{  
      objElement.className = strClass;
      }
}

//http://www.bigbold.com/snippets/posts/show/2630
function removeClassName(objElement, strClass){
   if ( objElement.className ){
      var arrList = objElement.className.split(' ');
      var strClassUpper = strClass.toUpperCase();
      for ( var i = 0; i < arrList.length; i++ ){
         if ( arrList[i].toUpperCase() == strClassUpper ){
            arrList.splice(i, 1);
            i--;
         }
      }
      objElement.className = arrList.join(' ');
   }
}

//http://ejohn.org/projects/flexible-javascript-events/
function addEvent( obj, type, fn ) {
  if ( obj.attachEvent ) {
    obj["e"+type+fn] = fn;
    obj[type+fn] = function() { obj["e"+type+fn]( window.event ) };
    obj.attachEvent( "on"+type, obj[type+fn] );
  } 
  else{
    obj.addEventListener( type, fn, false );	
  }
}

function removeEvent( obj, type, fn ) {
  if ( obj.detachEvent ) {
    obj.detachEvent( 'on'+type, obj[type+fn] );
    obj[type+fn] = null;
  } else
    obj.removeEventListener( type, fn, false );
}