/* ------------------------------------------------------
----------------- JAVASCRIPT SLIDE SHOW -----------------
-------------------------------------------------------*/
function slideSwitch(switchSpeed) {
	$btnActive = $("#rotator_btns .active");
	$btnActive.removeClass('active');
	var $active = $('#rotator DIV.active');
	
	if ( $active.length == 0 ) $active = $('#slideshow DIV:last');
	
	var $next =  $active.next('DIV').length ? $active.next('DIV')
		   : $('#rotator DIV:first');
	
	/*
	var $sibs = $active.siblings();
	var rndNum = Math.floor(Math.random() * $sibs.length );
	var $next = $( $sibs[ rndNum ] );
	*/
	$active.addClass('last-active');
	$next.css({opacity: 0.0})
	.addClass('active')
	.animate({opacity: 1.0}, switchSpeed, function() {
	$active.removeClass('active last-active');
	for (var $i=0; $i<$('#rotator DIV').length; $i ++) {
		if ($('#rotator div:eq(' + $i + ')').hasClass("active")){
			$('#rotator_btns a:eq(' + $i + ')').addClass("active");
		}
	}
	});
}

var $int=setInterval ("slideSwitch(1000)", 5000 );


function slideSelect(slideNum) {
clearInterval($int);
$btnActive = $("#rotator_btns .active");
$btnActive.removeClass('active');
var $selNum = slideNum - 1;
if (!($('#rotator div:eq(' + $selNum + ')').hasClass("active"))) {
	var $next = $('#rotator div:eq(' + $selNum + ')');
	var $active = $("#rotator .active");
	$active.addClass('last-active');
		$next.css({opacity: 0.0})
		.addClass('active')
		.animate({opacity: 1.0}, 1000, function() {
		$active.removeClass('active last-active');
		for (var $i=0; $i<$('#rotator DIV').length; $i ++) {
			if ($('#rotator div:eq(' + $i + ')').hasClass("active")){
				$('#rotator_btns a:eq(' + $i + ')').addClass("active");
			}
		}
		});
	}
}

/* -----------------------------------------------------
-------------------- PLACEHOLDERS ----------------------
-------------------------------------------------------*/

function activatePlaceholders() {
	var detect = navigator.userAgent.toLowerCase();
	if (detect.indexOf("safari") > 0) return false;
	var inputs = document.getElementsByTagName("input");
	for (var i=0;i<inputs.length;i++) {
	  if (inputs[i].getAttribute("type") == "text") {
	   if (inputs[i].getAttribute("alt") && inputs[i].getAttribute("alt").length > 0 && ((inputs[i].getAttribute("value") == null) || (inputs[i].getAttribute("value") == ""))) {
		inputs[i].value = inputs[i].getAttribute("alt");
		inputs[i].style.color = "#808080";
		inputs[i].onclick = function() {
		 if (this.value == this.getAttribute("alt")) {
			this.value = "";
		 }
		 return false;
		}
		inputs[i].onkeyup = function()
		{
			if ((this.value != this.getAttribute("alt")) && (this.value != ""))
			{
				this.style.color = "#000000";
			}
			else
			{
				this.style.color = "#808080";
			}
		}
		inputs[i].onblur = function() {
		 if (this.value.length < 1) {
		  this.value = this.getAttribute("alt");
		 }
		}
	   }
	  }
	}
}

/* ----------------------------------------------------------------------
------------------------- TOOL TIPS DHTML -------------------------------
------------------------------------------------------------------------*/

var dw_event = {
  add: function(obj, etype, fp, cap) {
    cap = cap || false;
    if (obj.addEventListener) obj.addEventListener(etype, fp, cap);
    else if (obj.attachEvent) obj.attachEvent("on" + etype, fp);
  }, 
  remove: function(obj, etype, fp, cap) {
    cap = cap || false;
    if (obj.removeEventListener) obj.removeEventListener(etype, fp, cap);
    else if (obj.detachEvent) obj.detachEvent("on" + etype, fp);
  }, 
  DOMit: function(e) { 
    e = e? e: window.event;
    e.tgt = e.srcElement? e.srcElement: e.target;   
    if (!e.preventDefault) e.preventDefault = function () { return false; }
    if (!e.stopPropagation) e.stopPropagation = function () { if (window.event) window.event.cancelBubble = true; }      
    return e;
  }
}

var viewport = {
  getWinWidth: function () {
    this.width = 0;
    if (window.innerWidth) this.width = window.innerWidth - 18;
    else if (document.documentElement && document.documentElement.clientWidth) 
  		this.width = document.documentElement.clientWidth;
    else if (document.body && document.body.clientWidth) 
  		this.width = document.body.clientWidth;
  },
  
  getWinHeight: function () {
    this.height = 0;
    if (window.innerHeight) this.height = window.innerHeight - 18;
  	else if (document.documentElement && document.documentElement.clientHeight) 
  		this.height = document.documentElement.clientHeight;
  	else if (document.body && document.body.clientHeight) 
  		this.height = document.body.clientHeight;
  },
  
  getScrollX: function () {
    this.scrollX = 0;
  	if (typeof window.pageXOffset == "number") this.scrollX = window.pageXOffset;
  	else if (document.documentElement && document.documentElement.scrollLeft)
  		this.scrollX = document.documentElement.scrollLeft;
  	else if (document.body && document.body.scrollLeft) 
  		this.scrollX = document.body.scrollLeft; 
  	else if (window.scrollX) this.scrollX = window.scrollX;
  },
  
  getScrollY: function () {
    this.scrollY = 0;    
    if (typeof window.pageYOffset == "number") this.scrollY = window.pageYOffset;
    else if (document.documentElement && document.documentElement.scrollTop)
  		this.scrollY = document.documentElement.scrollTop;
  	else if (document.body && document.body.scrollTop) 
  		this.scrollY = document.body.scrollTop; 
  	else if (window.scrollY) this.scrollY = window.scrollY;
  },
  
  getAll: function () {
    this.getWinWidth(); this.getWinHeight();
    this.getScrollX();  this.getScrollY();
  }
  
}

var Tooltip = {
    followMouse: true,
    offX: 8,
    offY: 12,
    tipID: "tipDiv",
    showDelay: 100,
    hideDelay: 200,
    
    ready:false, timer:null, tip:null, 
  
    init: function() {  
        if ( document.createElement && document.body && typeof document.body.appendChild != "undefined" ) {
            if ( !document.getElementById(this.tipID) ) {
                var el = document.createElement("DIV");
                el.id = this.tipID; document.body.appendChild(el);
            }
            this.ready = true;
        }
    },
    
    show: function(e, msg) {
        if (this.timer) { clearTimeout(this.timer);	this.timer = 0; }
        this.tip = document.getElementById( this.tipID );
        if (this.followMouse) // set up mousemove 
            dw_event.add( document, "mousemove", this.trackMouse, true );
        this.writeTip("");  // for mac ie
        this.writeTip(msg);
        viewport.getAll();
        this.positionTip(e);
        this.timer = setTimeout("Tooltip.toggleVis('" + this.tipID + "', 'visible')", this.showDelay);
    },
    
    writeTip: function(msg) {
        if ( this.tip && typeof this.tip.innerHTML != "undefined" ) this.tip.innerHTML = msg;
    },
    
    positionTip: function(e) {
        if ( this.tip && this.tip.style ) {
            // put e.pageX/Y first! (for Safari)
            var x = e.pageX? e.pageX: e.clientX + viewport.scrollX;
            var y = e.pageY? e.pageY: e.clientY + viewport.scrollY;
    
            if ( x + this.tip.offsetWidth + this.offX > viewport.width + viewport.scrollX ) {
                x = x - this.tip.offsetWidth - this.offX;
                if ( x < 0 ) x = 0;
            } else x = x + this.offX;
        
            if ( y + this.tip.offsetHeight + this.offY > viewport.height + viewport.scrollY ) {
                y = y - this.tip.offsetHeight - this.offY;
                if ( y < viewport.scrollY ) y = viewport.height + viewport.scrollY - this.tip.offsetHeight;
            } else y = y + this.offY;
            
            this.tip.style.left = x + "px"; this.tip.style.top = y + "px";
        }
    },
    
    hide: function() {
        if (this.timer) { clearTimeout(this.timer);	this.timer = 0; }
        this.timer = setTimeout("Tooltip.toggleVis('" + this.tipID + "', 'hidden')", this.hideDelay);
        if (this.followMouse) // release mousemove
            dw_event.remove( document, "mousemove", this.trackMouse, true );
        this.tip = null; 
    },

    toggleVis: function(id, vis) { // to check for el, prevent (rare) errors
        var el = document.getElementById(id);
        if (el) el.style.visibility = vis;
    },
    
    trackMouse: function(e) {
    	e = dw_event.DOMit(e);
     	Tooltip.positionTip(e);
    }
    
}

/* ---------------------------------------------------------------------*/
/*  EMAIL LINK */
/* ---------------------------------------------------------------------*/

function EmailLink(){
	window.location = "mailto:"+"?subject=I thought this link might interest you." + "&body= "+window.location;
}


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

$(document).ready(function() {

    function addMenu() {
        $(this).addClass("over");
        $($(this).find("ul")).fadeIn("fast");
    }

    function removeMenu() {
        $(this).removeClass("over");
        $($(this).find("ul")).fadeOut("fast");
    }

    $("div#nav ul li").hover(addMenu, removeMenu);

    $('input[type="text"]').addClass('text');
    $('input[type="password"]').addClass('text');

    /* PLACEHOLDERS */
    activatePlaceholders();
    $("form").submit(function() {
        $("input").each(function(i, element2) {
            var input = $(element2);
            if (input.val() == input.attr("alt")) {
                input.val('');
            }
        });
    });
	
	Tooltip.init();

});