// Be On The Show JavaScripts

	/* General */
// AutoTab
var isNN = (navigator.appName.indexOf("Netscape")!=-1);

function autoTab(input,len, e) {
  var keyCode = (isNN) ? e.which : e.keyCode; 
  var filter = (isNN) ? [0,8,9] : [0,8,9,16,17,18,37,38,39,40,46];
  if(input.value.length >= len && !containsElement(filter,keyCode)) {
    input.value = input.value.slice(0, len);
    input.form[(getIndex(input)+1) % input.form.length].focus();
  }

  function containsElement(arr, ele) {
    var found = false, index = 0;
    while(!found && index < arr.length)
    if(arr[index] == ele)
    found = true;
    else
    index++;
    return found;
  }

  function getIndex(input) {
    var index = -1, i = 0, found = false;
    while (i < input.form.length && index == -1)
    if (input.form[i] == input)index = i;
    else i++;
    return index;
  }
  return true;
}

	/* General */
	/* FAQ */
/* Toggles a single FAQ question */
function toggleQuestion(category, questionID) {
	
	var div = document.getElementById('a_'+category+'_'+questionID);

	if(div.style.display == "none") {
		div.style.display = "";		
	}
	else	{
		div.style.display = "none";
	}
}
	/* FAQ */
	/* Demographics */
function populateChildren(number) {
	data = "<br />";
	inter = "'";
	if (number <= 10 && number >= 0) {
		for (i=1; i <= number; i++) {
			if (i < 10) spaces="      ";
			else spaces="    ";
		
			data = data + "Child " + i + " Gender:" + spaces
			+ "<select name=\"child_" + i +"_gender\" id=\"child_" + i +"_gender\">"
		  	+  "<option selected=\"selected\"></option>"
		  	+  "<option value=\"Male\">Male</option>"
		  	+  "<option value=\"Female\">Female</option>"
			+"</select>"
			+" Age: <input name=\"child_" + i +"_age\" type=\"text\" id=\"child_" + i +"_age\" size=\"2\" maxlength=\"2\" /> <br />";
	}
		document.getElementById('children').innerHTML = data;
	}
	else {
		//Shouldn't get here...
		window.alert("Please select up to 10 entries.");
	}
}
function populateNumTimesApplied() {
	data = "How many times?<select name=\"num_applied\" id=\"num_applied\"><option value=\"0\" selected=\"selected\">0</option><option value=\"1\">1</option><option value=\"2\">2</option><option value=\"3\">3</option><option value=\"4\">4</option><option value=\"5\">5</option><option value=\"6\">6</option><option value=\"7\">7</option><option value=\"8\">8</option><option value=\"9\">9</option><option value=\"10+\">10+</option></select>";
	
	document.getElementById('applied').innerHTML = data;
}
function removeNumTimesApplied() {	
	document.getElementById('applied').innerHTML = "<input name=\"num_applied\" type=\"hidden\" value=\"0\" />";;
}
function populateNumTimesContestant() {
	data = "How many times?<select name=\"num_contestant\" id=\"num_contestant\"><option value=\"0\" selected=\"selected\">0</option><option value=\"1\">1</option><option value=\"2\">2</option><option value=\"3\">3</option><option value=\"4\">4</option><option value=\"5\">5</option><option value=\"6\">6</option><option value=\"7\">7</option><option value=\"8\">8</option><option value=\"9\">9</option><option value=\"10+\">10+</option></select>";
	
	document.getElementById('contestant').innerHTML = data;
}
function removeNumTimesContestant() {	
	document.getElementById('contestant').innerHTML = "<input name=\"num_contestant\" type=\"hidden\" value=\"0\" />";
}
function populateStrangeJobs() {
	data = "Please tell us the title of this job:<input name=\"strange_jobs_title\" id=\"strange_jobs_title\" type=\"text\" />";
	
	document.getElementById('strange_jobs_span').innerHTML = data;
}
function removeStrangeJobs() {	
	document.getElementById('strange_jobs_span').innerHTML = "<input name=\"strange_jobs_title\" type=\"hidden\" value=\"\" />";
}

/* Checkbox */
function CheckBoxGroup() {
	this.controlBox=null;
	this.controlBoxChecked=null;
	this.maxAllowed=null;
	this.maxAllowedMessage=null;
	this.masterBehavior=null;
	this.formRef=null;
	this.checkboxWildcardNames=new Array();
	this.checkboxNames=new Array();
	this.totalBoxes=0;
	this.totalSelected=0;
	// Public methods
	this.setControlBox=CBG_setControlBox;
	this.setMaxAllowed=CBG_setMaxAllowed;
	this.setMasterBehavior=CBG_setMasterBehavior;	// all, some
	this.addToGroup=CBG_addToGroup;
	// Private methods
	this.expandWildcards=CBG_expandWildcards;
	this.addWildcardCheckboxes=CBG_addWildcardCheckboxes;
	this.addArrayCheckboxes=CBG_addArrayCheckboxes;
	this.addSingleCheckbox=CBG_addSingleCheckbox;
	this.check=CBG_check;
	}

// Set the master control checkbox name
function CBG_setControlBox(name) { this.controlBox=name; }

// Set the maximum number of checked boxes in the set, and optionally
// the message to popup when the max is reached.
function CBG_setMaxAllowed(num,msg) {
	this.maxAllowed=num;
	if (msg!=null&&msg!="") { this.maxAllowedMessage=msg; }
	}

// Set the behavior for the checkbox group master checkbox
//	All: all boxes must be checked for the master to be checked
//	Some: one or more of the boxes can be checked for the master to be checked
function CBG_setMasterBehavior(b) { this.masterBehavior = b.toLowerCase(); }

// Add checkbox wildcards to the checkboxes array
function CBG_addToGroup() {
	if (arguments.length>0) {
		for (var i=0;i<arguments.length;i++) {
			this.checkboxWildcardNames[this.checkboxWildcardNames.length]=arguments[i];
			}
		}
	}

// Expand the wildcard checkbox names given in the addToGroup method
function CBG_expandWildcards() {
	if (this.formRef==null) {alert("ERROR: No form element has been passed.  Cannot extract form name!"); return false; }
	for (var i=0; i<this.checkboxWildcardNames.length;i++) {
		var n = this.checkboxWildcardNames[i];
		var el = this.formRef[n];
		if (n.indexOf("*")!=-1) { this.addWildcardCheckboxes(n); }
		else if(CBG_nameIsArray(el)) { this.addArrayCheckboxes(n); }
		else { this.addSingleCheckbox(el); }
		}
	}


// Add checkboxes to the group which match a pattern
function CBG_addWildcardCheckboxes(name) {
	var i=name.indexOf("*");
	if ((i==0) || (i==name.length-1)) {
		searchString= (i)?name.substring(0,name.length-1):name.substring(1,name.length);
		for (var j=0;j<this.formRef.length;j++) {
			currentElement = this.formRef.elements[j];
			currentElementName=currentElement.name;
			var partialName = (i)?currentElementName.substring(0,searchString.length) : currentElementName.substring(currentElementName.length-searchString.length,currentElementName.length);
			if (partialName==searchString) {
				if(CBG_nameIsArray(currentElement)) this.addArrayCheckboxes(currentElement);
				else this.addSingleCheckbox(currentElement);
				}
			}
		}
	}

// Add checkboxes to the group which all have the same name
function CBG_addArrayCheckboxes(name) {
	if((CBG_nameIsArray(this.formRef[name])) && (this.formRef[name].length>0)) {
		for (var i=0; i<this.formRef[name].length; i++) { this.addSingleCheckbox(this.formRef[name][i]); }
		}
	}

function CBG_addSingleCheckbox(obj) {
	if (obj != this.formRef[this.controlBox]) {
		this.checkboxNames[this.checkboxNames.length]=obj;
		this.totalBoxes++;
		if (obj.checked) {
			this.totalSelected++;
			}
		}
	}

// Runs whenever a checkbox in the group is clicked
function CBG_check(obj) {
	var checked=obj.checked;
	if (this.formRef==null) {
		this.formRef=obj.form;
		this.expandWildcards();
		if (this.controlBox==null || obj.name!=this.controlBox) {
			this.totalSelected += (checked)?-1:1;
			}
		}
	if (this.controlBox!=null&&obj.name==this.controlBox) {
		if (this.masterBehavior=="all") {
			for (i=0;i<this.checkboxNames.length;i++) { this.checkboxNames[i].checked=checked; }
			this.totalSelected=(checked)?this.checkboxNames.length:0;
			}
		else {
			if (!checked) {
				obj.checked = (this.totalSelected>0)?true:false;
				obj.blur();
				}
			}
		}
	else {
		if (this.masterBehavior=="all") {
			if (!checked) {
				this.formRef[this.controlBox].checked=false;
				this.totalSelected--;
				}
			else { this.totalSelected++; }
			if (this.controlBox!=null) {
				this.formRef[this.controlBox].checked=(this.totalSelected==this.totalBoxes)?true:false;
				}
			}
		else {
			if (!obj.checked) { this.totalSelected--; }	
			else { this.totalSelected++; }
			if (this.controlBox!=null) {
				this.formRef[this.controlBox].checked=(this.totalSelected>0)?true:false;
				}
			if (this.maxAllowed!=null) {
				if (this.totalSelected>this.maxAllowed) {
					obj.checked=false;
					this.totalSelected--;
					if (this.maxAllowedMessage!=null) { alert(this.maxAllowedMessage); }
					return false;
					}
				}
			}
		}
	}

function CBG_nameIsArray(obj) {
	return ((typeof obj.type!="string")&&(obj.length>0)&&(obj[0]!=null)&&(obj[0].type=="checkbox"));
	}

	/* Demographics */