// Homepage function calls:  Important to our Homepage functionality

var $;
if (!$ && document.getElementById) {
    $ = function() {
        var elements = new Array();
        for (var i = 0; i < arguments.length; i++) {
            var element = arguments[i];
            if (typeof element == 'string') {
            element = document.getElementById(element);
        }
            if (arguments.length == 1) {
                return element;
            }
        elements.push(element);
        }
    return elements;
    }
} else if (!$ && document.all) {
    $ = function() {
    var elements = new Array();
    for (var i = 0; i < arguments.length; i++) {
        var element = arguments[i];
        if (typeof element == 'string') {
        element = document.all[element];
    }
    if (arguments.length == 1) {
        return element;
    }
        elements.push(element);
    }
        return elements;
    }
}



//Homepage rotation script 9/10/07

var fadeimages=new Array()
//SET IMAGE PATHS. Extend or contract array as needed
//fadeimages[0]=["images/slide1.jpg", "christmas-gifts.html", "", "Christmas Gift Ideas"]
fadeimages[0]=["http://site.photoframesplus.com/images/slide1.jpg", "wedding-gifts-supplies-and-favors.html", "", "Wedding Gifts, Supplies and Favors"]
fadeimages[1]=["http://site.photoframesplus.com/images/slide2.jpg", "new-baby-gifts-and-favors.html", "", "New Baby Gifts and Favors"]
fadeimages[2]=["http://site.photoframesplus.com/images/slide3.jpg", "birthday-gift-ideas.html", "", "Birthday Gift Ideas"]
fadeimages[3]=["http://site.photoframesplus.com/images/slide4.jpg", "gifts-by-occasion.html", "", "Gifts by Occasion"]

var fadebgcolor="white"

////NO need to edit beyond here/////////////

var fadearray=new Array() //array to cache slideshow instances
var fadeclear=new Array() //array to cache corresponding clearinterval pointers

var dom=(document.getElementById) //modern dom browsers
var iebrowser=document.all

function slideshow(theimages, fadewidth, fadeheight, borderwidth, delay, pause, displayorder) {
    this.pausecheck = pause
    this.mouseovercheck = 0
    this.delay = delay
    this.degree = 10 //initial opacity degree (10%)
    this.curimageindex = 0

	this.nextimageindex = 1
    fadearray[fadearray.length] = this

    this.slideshowid = fadearray.length - 1

    this.canvasbase = "canvas" + this.slideshowid
    this.curcanvas = this.canvasbase + "_0"
    if (typeof displayorder != "undefined")
        theimages.sort(function() {
            return 0.5 - Math.random();
        }) //thanks to Mike (aka Mwinter) :)
    this.theimages = theimages
    this.imageborder = parseInt(borderwidth)
    this.postimages = new Array() //preload images
    for (p = 0; p < theimages.length; p++) {
        this.postimages[p] = new Image()
        this.postimages[p].src = theimages[p][0]
    }

    var fadewidth = fadewidth + this.imageborder * 2
    var fadeheight = fadeheight + this.imageborder * 2

    if (iebrowser && dom || dom) //if IE5+ or modern browsers (ie: Firefox)
        document.write('<div class="productImage" id="master' + this.slideshowid + '" style="width:' + fadewidth + 'px;height:' + fadeheight + 'px;overflow:hidden;z-index:0"><div id="' + this.canvasbase + '_0" style="position:absolute;width:' + fadewidth + 'px;height:' + fadeheight + 'px;top:0;left:0;filter:progid:DXImageTransform.Microsoft.alpha(opacity=10);-moz-opacity:10;-khtml-opacity:10;background-color:' + fadebgcolor + '"></div><div id="' + this.canvasbase + '_1" style="position:absolute;width:' + fadewidth + 'px;height:' + fadeheight + 'px;top:0;left:0;filter:progid:DXImageTransform.Microsoft.alpha(opacity=10);-moz-opacity:10;background-color:' + fadebgcolor + '"></div></div>');
    else
        document.write('<div><img name="defaultslide' + this.slideshowid + '" src="' + this.postimages[0].src + '"></div>');

    if (iebrowser && dom || dom) //if IE5+ or modern browsers such as Firefox
        this.startit()
    else {
		this.curimageindex++;
        setInterval("fadearray[" + this.slideshowid + "].rotateimage(timeToRotate,0)", this.delay);
    }

//    if (iebrowser && dom || dom) //if IE5+ or modern browsers (ie: Firefox)
//        document.write('<div id="master' + this.slideshowid + '" style="position:relative;width:' + fadewidth + 'px;height:' + fadeheight + 'px;overflow:hidden;z-index:0"><div id="' + this.canvasbase + '_0" style="position:absolute;width:' + fadewidth + 'px;height:' + fadeheight + 'px;top:0;left:0;filter:progid:DXImageTransform.Microsoft.alpha(opacity=10);-moz-opacity:10;-khtml-opacity:10;background-color:' + fadebgcolor + '"></div><div id="' + this.canvasbase + '_1" style="position:absolute;width:' + fadewidth + 'px;height:' + fadeheight + 'px;top:0;left:0;filter:progid:DXImageTransform.Microsoft.alpha(opacity=10);-moz-opacity:10;background-color:' + fadebgcolor + '"></div></div>')
//    else
//        document.write('<div><img name="defaultslide' + this.slideshowid + '" src="' + this.postimages[0].src + '"></div>')

//    if (iebrowser && dom || dom) //if IE5+ or modern browsers such as Firefox
//        this.startit()
//    else {
//		this.curimageindex++
//        setInterval("fadearray[" + this.slideshowid + "].rotateimage(timeToRotate,0)", this.delay)

//    }
}

function fadepic(obj) {
    if (obj.degree < 100) {
        obj.degree += 10
        if (obj.tempobj.filters && obj.tempobj.filters[0]) {
            if (typeof obj.tempobj.filters[0].opacity == "number") //if IE6+
                obj.tempobj.filters[0].opacity = obj.degree
            else //else if IE5.5-
                obj.tempobj.style.filter = "alpha(opacity=" + obj.degree + ")"
        }
        else if (obj.tempobj.style.MozOpacity)
            obj.tempobj.style.MozOpacity = obj.degree / 101
        else if (obj.tempobj.style.KhtmlOpacity)
            obj.tempobj.style.KhtmlOpacity = obj.degree / 100
    }
    else {

        clearInterval(fadeclear[obj.slideshowid])
        obj.nextcanvas = (obj.curcanvas == obj.canvasbase + "_0")? obj.canvasbase + "_0" : obj.canvasbase + "_1"
        obj.tempobj = iebrowser? iebrowser[obj.nextcanvas] : document.getElementById(obj.nextcanvas)
        obj.populateslide(obj.tempobj, obj.nextimageindex)
        currentId = obj.nextimageindex;
        obj.nextimageindex = (obj.nextimageindex < obj.postimages.length - 1)? obj.nextimageindex + 1 : 0

        obj.timeout = setTimeout("fadearray[" + obj.slideshowid + "].rotateimage(timeToRotate, "+ currentId +")", obj.delay);
    }
}

slideshow.prototype.populateslide = function(picobj, picindex) {
    var slideHTML = ""
    if (this.theimages[picindex][1] != "") //if associated link exists for image 
        slideHTML = '<div><a href="' + this.theimages[picindex][1] + '" target="'+ this.theimages[picindex][2] +'" alt="'+ this.theimages[picindex][3] +'">'
    slideHTML += '<img usemap="#ssimage'+picindex+'" src="' + this.postimages[picindex].src + '" id="img' + picindex + '" border="' + this.imageborder + 'px">'
    
    if (this.theimages[picindex][1] != "") //if associated link exists for image
        slideHTML += '</a></div>';
    slideHTML += "";
    picobj.innerHTML = slideHTML;
}

slideshow.prototype.restartit = function (index) {
    this.stop = 0;
    this.curimageindex = index;
    this.startit();
}

slideshow.prototype.stopit = function () {
    this.stop = 1;

    clearTimeout(this.timeout);
    clearTimeout(this.rotateTimer);
    clearInterval(fadeclear[this.slideshowid]);
}

slideshow.prototype.rotateimage = function(callback, index) {
    if (this.pausecheck == 1) //if pause onMouseover enabled, cache object
        var cacheobj = this

    if (this.stop == 1)
        return;
    else if (this.mouseovercheck == 1)
        this.rotateTimer = setTimeout(function() { cacheobj.rotateimage(callback, index) }, 100)
    else
        this.rotate(callback, index);

    this.curimageindex = (this.curimageindex < this.postimages.length - 1)? this.curimageindex + 1 : 0
}

slideshow.prototype.rotate = function (callback, index) {
    this.curimageindex = index;
    if (iebrowser && dom || dom) {
        this.resetit()
        var crossobj = this.tempobj = iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas)
        crossobj.style.zIndex++
        fadeclear[this.slideshowid] = setInterval("fadepic(fadearray[" + this.slideshowid + "])", 10)
        this.curcanvas = (this.curcanvas == this.canvasbase + "_0")? this.canvasbase + "_1" : this.canvasbase + "_0"
        callback(index);
    }
    else {
        var ns4imgobj = document.images['defaultslide' + this.slideshowid]
        ns4imgobj.src = this.postimages[this.curimageindex].src
        callback(index);
    }
}

slideshow.prototype.resetit = function() {
    this.degree = 10
    var crossobj = iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas)
    if (crossobj.filters && crossobj.filters[0]) {
        if (typeof crossobj.filters[0].opacity == "number") //if IE6+
            crossobj.filters(0).opacity = this.degree
        else //else if IE5.5-
            crossobj.style.filter = "alpha(opacity=" + this.degree + ")"
    }
    else if (crossobj.style.MozOpacity)
        crossobj.style.MozOpacity = this.degree / 101
    else if (crossobj.style.KhtmlOpacity)
        crossobj.style.KhtmlOpacity = obj.degree / 100
}


slideshow.prototype.startit = function() {
    var crossobj = iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas)
    this.populateslide(crossobj, this.curimageindex)
    if (this.pausecheck == 1) { //IF SLIDESHOW SHOULD PAUSE ONMOUSEOVER
        var cacheobj = this
        var crossobjcontainer = iebrowser? iebrowser["master" + this.slideshowid] : document.getElementById("master" + this.slideshowid)
        crossobjcontainer.onmouseover = function() {
            cacheobj.mouseovercheck = 1
        }
        crossobjcontainer.onmouseout = function() {
            cacheobj.mouseovercheck = 0
        }
    }
    this.rotateimage(timeToRotate, this.curimageindex)
}

//SET IMAGE PATHS. Extend or contract array as needed
changeimages = new Array();
changeimages[0]=["http://site.photoframesplus.com/images/ssb1-on.jpg", "http://site.photoframesplus.com/images/ssb1-off.jpg", "http://", ""] //plain image syntax
changeimages[1]=["http://site.photoframesplus.com/images/ssb2-on.jpg", "http://site.photoframesplus.com/images/ssb2-off.jpg", "http://", ""] //image with link syntax
changeimages[2]=["http://site.photoframesplus.com/images/ssb3-on.jpg", "http://site.photoframesplus.com/images/ssb3-off.jpg", "http://", ""] //image with link and target syntax
changeimages[3]=["http://site.photoframesplus.com/images/ssb4-on.jpg", "http://site.photoframesplus.com/images/ssb4-off.jpg", "http://", ""] //image with link and target syntax


function timeToRotate(index) {
   for (i = 0; i < changeimages.length; i++) {
         var name = "menu" + i;
         if (index == i) {
             if ($(name)) $(name).src = changeimages[i][0];
         }
         else {
             if ($(name)) $(name).src = changeimages[i][1];
         }
     }
 }

function overImageRoll(index) {
    slider.stopit();
    slider.restartit(index);
}