/* SHAUNINMAN-DEFINED JAVASCRIPT FUNCTIONS */
/* documnet shortcut */
var d = document

/* SI_formInitialValues()
 * Expects an unlimited number of text/password/textarea 
 * ids. Makes the default value disappear when a user
 * clicks in the input and restores it if the user doesn't
 * enter their own value.
 *
 * Fails silently in unsupported browsers.
 */
 /* SI_submitForm() v1.1 */
/* SI_dom() v1.0
 * Confirms that the browser is capable of 
 * getElementById and getElementsByTagName
 */
function SI_dom() { return new Boolean(document.getElementById && document.getElementsByTagName); };

function SI_submitForm(f) {
	if (!SI_dom()) return true;
	f.submit();
	}

function SI_formInitialValues() {
	if (!d.getElementById) { return; }
	
	var inputs = SI_formInitialValues.arguments;
	for (var i = 0; i<inputs.length; i++) {
		input = d.getElementById(inputs[i]);
		if (input) {
			input.defaultValue = input.value;
			input.onfocus	= SI_clearInitialValues
			input.onblur	= SI_resetInitialValues
			}
		}
	}
function SI_clearInitialValues() {
	if (this.value == this.defaultValue) {
		this.value = "";
		}
	}
function SI_resetInitialValues() {
	if (SI_empty(this.value)) {
		this.value = this.defaultValue;
		}
	}
/* END SI_formInitialValues() */

/* SI_loadURL()
 * Loads the url passed to it.
 * Called onchange by SELECTs
 * ie. <select onchange="SI_loadURL(this.options[this.selectedIndex].value);">
 */
function SI_loadURL(url){if(url){window.location=url;}}
/* END SI_selectLoadURL() */

/* SI_empty()
 * Similar to the php function empty()
 * Returns true if val contains an empty string
 * or contains only whitespace.
 * ie. spaces or returns
 */
function SI_empty(val) {
	var empty = /^\s*$/
	return empty.test(val)
	}
/* END SI_empty() */

/* SI_money()
 * Quick function to account for NS 4.x's 2nd grade addition skills. Guh.
 */
function SI_money(amount) {
	amount=(Math.round(amount*100))/100;
	return (amount==Math.floor(amount))?amount+'':((amount*10==Math.floor(amount*10))?amount+'0':amount);
	}
/* END SI_money() */

/* END SHAUNINMAN-DEFINED JAVASCRIPT FUNCTIONS */

/* SLIDE OUT MENU CODE */
/* SI_swapImage()
 * Based on MM_swapImage(). Used by the slide out menus
 * to maintain the active tab and not pollute the MM_sr
 * (Macromedia Swap Image Restore) array used by all 
 * other mouseover image swaps.
 */
function SI_swapImage() {
	var i,x,a=SI_swapImage.arguments; for(i=0;i<(a.length-2);i+=3) { if ((x=MM_findObj(a[i]))!=null) { if(!x.oSrc) { x.oSrc=x.src; } x.src=a[i+2]; } }
	}

/* SI_slideOutMenu () v1.1
 * Based on code by youngpup.net.
 * 
 * Creates slide-down menus that retain their mouseover
 * tabs until the menu is fully retracted. Mouseovers
 * within this menu do not work in NS 4.x Mac (PC?)
 * 
 * Update v1.1
 * Restored ability to chose direction.
 */
SI_slideOutMenu.Registry = []
SI_slideOutMenu.aniLen = 0
SI_slideOutMenu.hideDelay = 500
SI_slideOutMenu.minCPUResolution = 10
// constructor
function SI_slideOutMenu(id, dir, nsrc, osrc, left, top, width, height) {
	// alert('WHAT!?');
	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.nsrc = nsrc
		this.osrc = osrc
		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 = "SI_slideOutMenu_"+id
		eval(this.gRef+"=this")
		SI_slideOutMenu.Registry[id] = this
		var d = document
		var strCSS = '<style type="text/css">';
		strCSS += '#' + this.id + 'Container { visibility:hidden; '
		strCSS += 'left:' + left + 'px; '
		strCSS += 'top:' + top + 'px; '
		strCSS += 'overflow:hidden; z-index:10000; }'
		strCSS += '#' + this.id + 'Container, #' + this.id + 'Content { position:absolute; '
		strCSS += 'width:' + width + 'px; '
		strCSS += 'height:' + height + 'px; '
		strCSS += 'clip:rect(0 ' + width + ' ' + height + ' 0); '
		strCSS += '}'
		strCSS += '</style>'
		d.write(strCSS)
		this.load()
		}
	}
	
SI_slideOutMenu.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) / SI_slideOutMenu.aniLen / SI_slideOutMenu.aniLen 
		// set event handlers.
		if (this.ns4) this.menu.captureEvents(Event.MOUSEOVER | Event.MOUSEOUT);
		this.menu.onmouseover = new Function("SI_slideOutMenu.showMenu('" + this.id + "')")
		this.menu.onmouseout = new Function("SI_slideOutMenu.hideMenu('" + this.id + "')")
		//set initial state
		this.endSlide()
		}
	}
	
SI_slideOutMenu.showMenu = function(id) {
	var reg = SI_slideOutMenu.Registry
	var obj = SI_slideOutMenu.Registry[id]
	SI_swapImage(id,'',obj.osrc,1)
	if (obj.container) {
		obj.over = true
		for (menu in reg) if (id != menu) SI_slideOutMenu.hide(menu)
		if (obj.hideTimer) { reg[id].hideTimer = window.clearTimeout(reg[id].hideTimer) }
		if (!obj.open && !obj.aniTimer) reg[id].startSlide(true)
		}
}

SI_slideOutMenu.hideMenu = function(id) {
	var obj = SI_slideOutMenu.Registry[id]
	if (obj.container) {
		if (obj.hideTimer) window.clearTimeout(obj.hideTimer)
		obj.hideTimer = window.setTimeout("SI_slideOutMenu.hide('" + id + "')", SI_slideOutMenu.hideDelay);
		}
	}
	
SI_slideOutMenu.hideAll = function() {
	var reg = SI_slideOutMenu.Registry
	for (menu in reg) {
		SI_slideOutMenu.hide(menu);
		if (menu.hideTimer) window.clearTimeout(menu.hideTimer);
		}
	}

SI_slideOutMenu.hide = function(id) {
	var obj = SI_slideOutMenu.Registry[id]
	obj.over = false
	if (obj.hideTimer) window.clearTimeout(obj.hideTimer)
	obj.hideTimer = 0
	if (obj.open && !obj.aniTimer) obj.startSlide(false)
	}

SI_slideOutMenu.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()", SI_slideOutMenu.minCPUResolution)
	}
	
SI_slideOutMenu.prototype.slide = function() {
	var elapsed = (new Date()).getTime() - this.startTime
	if (elapsed > SI_slideOutMenu.aniLen) this.endSlide()
	else {
		var d = Math.round(Math.pow(SI_slideOutMenu.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)
		}
	}
	
SI_slideOutMenu.prototype.endSlide = function() {
	this.aniTimer = window.clearTimeout(this.aniTimer)
	this.moveTo(this.open ? this.outPos : this.homePos)
	if (!this.open) { 
		this.setVisibility(false)
		SI_swapImage(this.id,'',this.nsrc,1)
		}
	
	if ((this.open && !this.over) || (!this.open && this.over)) {
		this.startSlide(this.over)
		// SI_swapImage(this.id,'',this.nsrc,1)
		}
	}

SI_slideOutMenu.prototype.setVisibility = function(bShow) { 
	var s = this.ns4 ? this.container : this.container.style
	s.visibility = bShow ? "visible" : "hidden"
	}
	
SI_slideOutMenu.prototype.moveTo = function(p) { 
	this.style[this.orientation == "h" ? "left" : "top"] = this.ns4 ? p : p + "px"
	}
	
SI_slideOutMenu.prototype.getPos = function(c) {
	return parseInt(this.style[c])
	}
	
SI_slideOutMenu.prototype.onactivate = function() { }
SI_slideOutMenu.prototype.ondeactivate = function() { }
/* END SLIDE OUT MENU CODE */