/*****************************************************
* ypSlideOutMenu
* 3/04/2001
*
* a nice little script to create exclusive, slide-out
* menus for ns4, ns6, mozilla, opera, ie4, ie5 on 
* mac and win32. I've got no linux or unix to test on but 
* it should(?) work... 
*
* Revised:
* - 08/29/2002 : added .hideAll()
*
* --youngpup--
*****************************************************/
ypSlideOutMenu.Registry = []
ypSlideOutMenu.aniLen = 250
ypSlideOutMenu.hideDelay = 500
ypSlideOutMenu.minCPUResolution = 10
// constructor
function ypSlideOutMenu(id, dir, left, top, width, height, index)
{
this.ie = document.all ? 1 : 0
this.ns4 = document.layers ? 1 : 0
this.dom = document.getElementById ? 1 : 0
if (this.ie || this.ns4 || this.dom) {
this.id = id
this.dir = dir
this.orientation = dir == "left" || dir == "right" ? "h" : "v"
this.dirType = dir == "right" || dir == "down" ? "-" : "+"
this.dim = this.orientation == "h" ? width : height
this.hideTimer = false
this.aniTimer = false
this.open = false
this.over = false
this.startTime = 0
this.gRef = "ypSlideOutMenu_"+id
eval(this.gRef+"=this")
ypSlideOutMenu.Registry[id] = this
var d = document
d.write('<style type="text/css">')
d.write('#' + this.id + 'Container { visibility:hidden; ')
d.write('left:' + left + 'px; ')
d.write('top:' + top + 'px; ')
d.write('overflow:hidden; }')
d.write('#' + this.id + 'Container, #' + this.id + 'Content { position:absolute; ')
d.write('width:' + width + 'px; ')
d.write('height:' + height + 'px; ')
d.write('z-index:' + index + '; ')
d.write('clip:rect(0 ' + width + ' ' + height + ' 0); ')
d.write('}')
d.write('</style>')
this.load()
}
}
ypSlideOutMenu.prototype.load = function() {
var d = document
var lyrId1 = this.id + "Container"
var lyrId2 = this.id + "Content"
var obj1 = this.dom ? d.getElementById(lyrId1) : this.ie ? d.all[lyrId1] : d.layers[lyrId1]
if (obj1) var obj2 = this.ns4 ? obj1.layers[lyrId2] : this.ie ? d.all[lyrId2] : d.getElementById(lyrId2)
var temp
if (!obj1 || !obj2) window.setTimeout(this.gRef + ".load()", 100)
else {
this.container = obj1
this.menu = obj2
this.style = this.ns4 ? this.menu : this.menu.style
this.homePos = eval("0" + this.dirType + this.dim)
this.outPos = 0
this.accelConst = (this.outPos - this.homePos) / ypSlideOutMenu.aniLen / ypSlideOutMenu.aniLen 
// set event handlers.
if (this.ns4) this.menu.captureEvents(Event.MOUSEOVER | Event.MOUSEOUT);
this.menu.onmouseover = new Function("ypSlideOutMenu.showMenu('" + this.id + "')")
this.menu.onmouseout = new Function("ypSlideOutMenu.hideMenu('" + this.id + "')")
//set initial state
this.endSlide()
}
}
ypSlideOutMenu.showMenu = function(id)
{
var reg = ypSlideOutMenu.Registry
var obj = ypSlideOutMenu.Registry[id]
if (obj.container) {
obj.over = true
for (menu in reg) if (id != menu) ypSlideOutMenu.hide(menu)
if (obj.hideTimer) { reg[id].hideTimer = window.clearTimeout(reg[id].hideTimer) }
if (!obj.open && !obj.aniTimer) reg[id].startSlide(true)
}
}
ypSlideOutMenu.hideMenu = function(id)
{
var obj = ypSlideOutMenu.Registry[id]
if (obj.container) {
if (obj.hideTimer) window.clearTimeout(obj.hideTimer)
obj.hideTimer = window.setTimeout("ypSlideOutMenu.hide('" + id + "')", ypSlideOutMenu.hideDelay);
}
}
ypSlideOutMenu.hideAll = function()
{
var reg = ypSlideOutMenu.Registry
for (menu in reg) {
ypSlideOutMenu.hide(menu);
if (menu.hideTimer) window.clearTimeout(menu.hideTimer);
}
}
ypSlideOutMenu.hide = function(id)
{
var obj = ypSlideOutMenu.Registry[id]
obj.over = false
if (obj.hideTimer) window.clearTimeout(obj.hideTimer)
obj.hideTimer = 0
if (obj.open && !obj.aniTimer) obj.startSlide(false)
}
ypSlideOutMenu.prototype.startSlide = function(open) {
this[open ? "onactivate" : "ondeactivate"]()
this.open = open
if (open) this.setVisibility(true)
this.startTime = (new Date()).getTime() 
this.aniTimer = window.setInterval(this.gRef + ".slide()", ypSlideOutMenu.minCPUResolution)
}
ypSlideOutMenu.prototype.slide = function() {
var elapsed = (new Date()).getTime() - this.startTime
if (elapsed > ypSlideOutMenu.aniLen) this.endSlide()
else {
var d = Math.round(Math.pow(ypSlideOutMenu.aniLen-elapsed, 2) * this.accelConst)
if (this.open && this.dirType == "-") d = -d
else if (this.open && this.dirType == "+") d = -d
else if (!this.open && this.dirType == "-") d = -this.dim + d
else d = this.dim + d
this.moveTo(d)
}
}
ypSlideOutMenu.prototype.endSlide = function() {
this.aniTimer = window.clearTimeout(this.aniTimer)
this.moveTo(this.open ? this.outPos : this.homePos)
if (!this.open) this.setVisibility(false)
if ((this.open && !this.over) || (!this.open && this.over)) {
this.startSlide(this.over)
}
}
ypSlideOutMenu.prototype.setVisibility = function(bShow) { 
var s = this.ns4 ? this.container : this.container.style
s.visibility = bShow ? "visible" : "hidden"
}
ypSlideOutMenu.prototype.moveTo = function(p) { 
this.style[this.orientation == "h" ? "left" : "top"] = this.ns4 ? p : p + "px"
}
ypSlideOutMenu.prototype.getPos = function(c) {
return parseInt(this.style[c])
}
ypSlideOutMenu.prototype.onactivate = function() { }
ypSlideOutMenu.prototype.ondeactivate = function() { }


//rollovers
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		navigation_01_over = newImage("images/navigation_01_over.gif");
		navigation_02_over = newImage("images/navigation_02_over.gif");
		navigation_03_over = newImage("images/navigation_03_over.gif");
		navigation_04_over = newImage("images/navigation_04_over.gif");
		navigation_05_over = newImage("images/navigation_05_over.gif");
		navigation_06_over = newImage("images/navigation_06_over.gif");
		navigation_07_over = newImage("images/navigation_07_over.gif");
		navigation_08_over = newImage("images/navigation_08_over.gif");
		navigation_09_over = newImage("images/navigation_09_over.gif");
		navigation_10_over = newImage("images/navigation_10_over.gif");
		preloadFlag = true;
	}
}

//gallery window popup
function openGalWindow(theURL,winName,features) { //v2.0
  picwin = window.open(theURL,winName,features);
  picwin.focus()
}

//open window script
function makeWindow(url) {  logonWindow=window.open("","logonwin","width=530,height=600,toolbar=no,location=no,status=yes,menubar=no,scrollbars=yes,resizable=yes");
        logonWindow.location.href=url
                if(logonWindow.opener == null) logonWindow.opener = window;
        logonWindow.opener.name = "opener";   
}

//off site window
function offSite(url) {
 logonWindow=window.open("","logonwin","width=400,height=400,toolbar=yes,location=yes,status=yes,menubar=yes,scrollbars=yes,resizable=yes");
        logonWindow.location.href=url
                if(logonWindow.opener == null) logonWindow.opener = window;
        logonWindow.opener.name = "opener";   
}


function goThere(z) {
	location = z
}

function checkDate() {
	var x = document.forms.dat.month
	var month = x.options[x.selectedIndex].value

	var y = document.forms.dat.day
	var day = y.options[y.selectedIndex].value
	
	var z = document.forms.dat.year
	var year = z.options[z.selectedIndex].value
	
	if (month == 0 || year == 0) {
		alert("For a date search please enter a month and year.")
		document.forms.dat.month.focus();
		return false;
	} else {
		document.forms.dat.submit();
	}

}

function checkUnit() {
	var t = document.forms.lsu.SValue
	var unit = t.options[t.selectedIndex].value
	
	if (unit == 0) {
		alert("For a LSU search please select a LSU.")
		t.focus();
		return false;
	} else {
		document.forms.lsu.submit();
	}
}

function checkCategory() {
	var t = document.forms.category.SValue
	var unit = t.options[t.selectedIndex].value
	
	if (unit == 0) {
		alert("For a Category search please select a Category.")
		t.focus();
		return false;
	} else {
		document.forms.category.submit();
	}
}

function checkLocation() {
	var t = document.forms.location.SValue
	var unit = t.options[t.selectedIndex].value
	
	if (unit == 0) {
		alert("For a Location search please select a Location.")
		t.focus();
		return false;
	} else {
		document.forms.location.submit();
	}
}

function validate(theForm) {
	badChar = new Array(5)
	badChar[0] = "'"
	badChar[1] = "@"
	badChar[2] = "#"
	badChar[3] = "$"
	badChar[4] = "%"
	badChar[5] = "^"
	badChar[6] = "&"
	badChar[7] = "*"
	badChar[8] = "?"
	badChar[9] = '"'

	var n = 0
	var x = document.forms[theForm]
	var t = x.SValue.value
	for (var i = 0; i < 10; i++) {
		if (t.indexOf(badChar[i]) != -1 ) {
			alert("Special characters are not allowed in text searches. Please enter text only.")
			x.SValue.value = ""
			x.SValue.focus();
			var n = 1
			break;
		}
	}
	if (n==0) {
		document.forms[theForm].submit();
	}
}