function PicDivShow(imgPath, PicDivId, PicDivImgId, DescriptionBlockId, DescriptionString) {
    varPicDiv = document.getElementById(PicDivId);
    varPicDivImg = document.getElementById(PicDivImgId);
    sDescriptionBlock = document.getElementById(DescriptionBlockId);
    varPicDivImg.src = imgPath;
    sDescriptionBlock.innerHTML = DescriptionString;
	varPicDiv.style.display = "";
}
function PicDivHide(id) {
	varPicDiv = document.getElementById(id);
	varPicDiv.style.display = "none";
}
function UpdateMausPosition(event,id) {
    if (!event)event=window.event; 
	varPicDiv = document.getElementById(id);
    x = event.clientX + document.documentElement.scrollLeft;
    y = event.clientY + document.documentElement.scrollTop;
	if (varPicDiv != null) {
		varPicDiv.style.left = (x + 30) + "px";
		varPicDiv.style.top 	= (y - 100) + "px";
	}
}

//function ShowFullImage(oThumb, sImgSrc) {
//    var src ="http://www.detyam-do-16.ru/XmlImageLoader.aspx??ID=" + sImgSrc + "&useApp=False";
//    new ImageExpander(oThumb, src);
//}

function ImageExpander(oThumb, sImgSrc, isInt, DescriptionString) {

    if (isInt == 1)
        sImgSrc = 'http://www.detyam-do-16.ru/XmlImageLoader.aspx?ID=' + sImgSrc + '&useApp=False';
	// store thumbnail image and overwrite its onclick handler.
	this.oThumb = oThumb;
	this.oThumb.expander = this;
	this.oThumb.onclick = function() { this.expander.expand(); }
	
	// record original size
	this.smallWidth = oThumb.offsetWidth;
	this.smallHeight = oThumb.offsetHeight;	

	this.bExpand = true;
	this.bTicks = false;
	this.DescriptionString = DescriptionString;
		
	// self organized list
	if ( !window.aImageExpanders )
	{
		window.aImageExpanders = new Array();
	}
	window.aImageExpanders.push(this);

	// create the full sized image.
	this.oImg = new Image();
	this.oImg.expander = this;
	this.oImg.onload = function(){this.expander.onload();}
	this.oImg.src = sImgSrc;


}

ImageExpander.prototype.onload = function() {
    this.oDiv = document.createElement("div");
    document.body.appendChild(this.oDiv);
    this.oDiv.appendChild(this.oImg);

    if (this.DescriptionString != "") {
        var DescriptionBlock = document.createElement("div");
        DescriptionBlock.innerHTML = this.DescriptionString; //DescriptionString;
        DescriptionBlock.style.width = this.oImg.style.width;
        DescriptionBlock.style.height = "30" + "px";
        DescriptionBlock.className = "imagetextstyle";   
        this.oDiv.appendChild(DescriptionBlock);
	}

    this.oDiv.style.position = "absolute";
    this.oDiv.style.cursor = 'pointer';
    this.oDiv.expander = this;
    this.oDiv.onclick = function() { this.expander.toggle(); };
    this.oImg.title = "";
    this.bigWidth = this.oImg.width;
    this.bigHeight = this.oImg.height;

    if (this.DescriptionString != "")
        this.bigHeight -= 30;

    if (this.bExpand) {
        this.expand();
    }
    else {
        this.oDiv.style.visibility = "hidden";
        this.oImg.style.visibility = "hidden";
    }
}
ImageExpander.prototype.toggle = function()
{
	this.bExpand = !this.bExpand;
	if ( this.bExpand )
	{
//		for ( var i in window.aImageExpanders )
//			if ( window.aImageExpanders[i] !== this )
//				window.aImageExpanders[i].reduce(););
	}
}
ImageExpander.prototype.expand = function() {
    // set direction of expansion.
    this.bExpand = true;

    // set all other images to reduce
    //	for ( var i in window.aImageExpanders )
    //		if ( window.aImageExpanders[i] !== this )
    //			window.aImageExpanders[i].reduce();

    // if not loaded, don't continue just yet
    if (!this.oDiv) return;

    // hide the thumbnail
    this.oThumb.style.visibility = "hidden";

    // calculate initial dimensions
    this.x = this.oThumb.offsetLeft;
    this.y = this.oThumb.offsetTop;
    this.w = this.oThumb.clientWidth;
    this.h = this.oThumb.clientHeight;

    this.oDiv.style.left = this.x + "px";
    this.oDiv.style.top = this.y + "px";
    this.oImg.style.width = this.w + "px";
    this.oImg.style.height = this.h + "px";
    this.oDiv.style.visibility = "visible";
    this.oImg.style.visibility = "visible";

    // start the animation engine.
    if (!this.bTicks) {
        this.bTicks = true;
        var pThis = this;
        window.setTimeout(function() { pThis.tick(); }, 25);
    }
}
ImageExpander.prototype.reduce = function()
{
	// set direction of expansion.
	this.bExpand = false;
}
ImageExpander.prototype.tick = function() {
    // calculate screen dimensions
    var cw = document.documentElement.clientWidth;
    var ch = document.documentElement.clientHeight;
    var cx = document.documentElement.scrollLeft + cw / 2;
    var cy = document.documentElement.scrollTop + ch / 2;

    // calculate target
    var tw, th, tx, ty;
    if (this.bExpand) {
        tw = this.bigWidth;
        th = this.bigHeight;
        if (tw > cw) {
            th *= cw / tw;
            tw = cw;
        }
        if (th > ch) {
            tw *= ch / th;
            th = ch;
        }
        tx = cx - tw / 2;
        ty = cy - th / 2;
    }
    else {
        tw = this.smallWidth;
        th = this.smallHeight;
        tx = this.oThumb.offsetLeft;
        ty = this.oThumb.offsetTop;
    }
    // move 5% closer to target
    var nHit = 0;
    var fMove = function(n, tn) {
        var dn = tn - n;
        if (Math.abs(dn) < 3) {
            nHit++;
            return tn;
        }
        else {
            return n + dn / 10;
        }
    }
    this.x = fMove(this.x, tx);
    this.y = fMove(this.y, ty);
    this.w = fMove(this.w, tw);
    this.h = fMove(this.h, th);

    this.oDiv.style.left = this.x + "px";
    this.oDiv.style.top = this.y + "px";
    this.oImg.style.width = this.w + "px";
    this.oImg.style.height = this.h + "px";

    // if reducing and size/position is a match, stop the tick	
    if (!this.bExpand && (nHit == 4)) {
        this.oImg.style.visibility = "hidden";
        this.oDiv.style.visibility = "hidden";
        this.oThumb.style.visibility = "visible";

        this.bTicks = false;
    }

    if (this.bTicks) {
        var pThis = this;
        window.setTimeout(function() { pThis.tick(); }, 25);
    }
}