//Roll Over Function
//Jessica Voytek 04/2008

function rollOver(id,img) {
	theID = document.getElementById(id);
	theID.src = img;
}
//Drop Down Menus
//Jessica Voytek 04/2008
function change(id, newClass) 
{
identity=document.getElementById(id);
identity.className=newClass;
}
function NavOn(navId, liId, newClass, aId) {
	if (navId != "") {
		show(navId);
	}
	change(liId, newClass)
	change(aId, "white-text")
}
function NavOff(navId, liId, aId) {
	if (navId != "") {
		hide(navId);
	}
	change(liId, "")
	change(aId, "navlink")
}
function show(id) {
	theID = document.getElementById(id);
	theID.style.display='block';
}
function showInline(id) {
	theID = document.getElementById(id);
	theID.style.display='inline';
}
function hide(id) {
	theID = document.getElementById(id);
	theID.style.display='none';
}
function toggleShow(select_id) {
	theSelectBox = document.getElementById(select_id);
	value = theSelectBox.value;
	
	show(value);

	length = theSelectBox.length;
	
	for (i = 0; i < length; i++) {
		otherValue = theSelectBox.options[i].value;
		if (otherValue != value && otherValue != "-- Select --") {
			hide(otherValue);
		}
	}
}
//IE Update for Flash Active X Controll
function ieFlashUpdate() {
	theObjects = document.getElementsByTagName("object")
	for (var i = 0; i < theObjects.length; i++) {
    	theObjects[i].outerHTML = theObjects[i].outerHTML
	}
}

//Browser Detect
function checkBrowser() 
{
	if (BrowserDetect.browser == "Explorer" && BrowserDetect.OS == "Windows") {
		change("instructions", "visible");
	} else if (BrowserDetect.browser == "Safari" && BrowserDetect.OS == "Mac") {
		change("instructions", "visible");
	} else {
		change("wrong_browser", "visible");
	}
}
function BrowserDetectAndChange(browserType, versionNumber, theID, theStyle) {
	if (BrowserDetect.browser == browserType && BrowserDetect.version <= versionNumber) {
		document.getElementById(theID).style = theStyle;
	}
}

// Add Style Sheet
function addLink(url){
	var newlink = document.createElement('<link rel="stylesheet" type="text/css" href="' + url + '">')
	document.getElementsByTagName('head')[0].appendChild(newlink)
	return newlink
}
      
// From http://www.quirksmode.org/js/detect.html
var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]
};
BrowserDetect.init();

// Clear placeholder text from span or div
function clearText(id) {
	document.getElementById(id).innerHTML = "";
}


// Join Search Ajax
// Global Variables for Ajax
var xmlHttp
var theDiv
var theForm

function OneVarAjax(str, divID, phpPage) { 
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null) {
		alert ("Browser does not support HTTP Request")
		return
	}
	var url=phpPage
	url=url+"?q="+str
	theDiv = divID
	url=url+"&theDiv="+theDiv
	url=url+"&sid="+Math.random()
	xmlHttp.onreadystatechange=stateChanged 
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
}

function TwoVarAjax(str, str2, divID, phpPage) { 
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null) {
		alert ("Browser does not support HTTP Request")
		return
	}
	var url=phpPage
	url=url+"?q="+str+"&r="+str2
	theDiv = divID
	url=url+"&theDiv="+theDiv
	url=url+"&sid="+Math.random()
	xmlHttp.onreadystatechange=stateChanged 
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
}

function ThreeVarAjax(str, str2, str3, divID, phpPage) { 
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null) {
		alert ("Browser does not support HTTP Request")
		return
	}
	var url=phpPage
	url=url+"?q="+str+"&r="+str2+"&s="+str3
	theDiv = divID
	url=url+"&theDiv="+theDiv
	url=url+"&sid="+Math.random()
	xmlHttp.onreadystatechange=stateChanged 
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
}

// Submit data to a PHP page and then submit a form
function runPHP_submit(str, str2, formID, phpPage) { 
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null) {
		alert ("Browser does not support HTTP Request")
		return
	}
	theForm=formID
	var url=phpPage
	url=url+"?q="+str+"&r="+str2
	url=url+"&sid="+Math.random()
	xmlHttp.onreadystatechange=no_return_stateChanged
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
}


function stateChanged() { 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") { 
		document.getElementById(theDiv).innerHTML=xmlHttp.responseText 
	}
}

function no_return_stateChanged() {
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") {
		document.getElementById(theForm).submit();
	} 
}

function GetXmlHttpObject() {
	var xmlHttp=null;
	try {
		// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	}
	catch (e) {
		//Internet Explorer
		try {
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e) {
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}

// Add Text to Field

function writeTextField(field_id, text) {
	document.getElementById(field_id).value = text;
}