var sg_slideSpeed = 10;	// Higher value = faster
var sg_timer = 10;	// Lower value = faster

var objectIdToSlideDown = false;
var sg_activeId = false;
var sg_slideInProgress = false;

function showHideContent(e,inputId)
{
	if(sg_slideInProgress)return;
	sg_slideInProgress = true;
	if(!inputId)inputId = this.id;
	inputId = inputId + '';
	var numericId = inputId.replace(/[^0-9]/g,'');
	var trescDiv = document.getElementById('sg_a' + numericId);
  var tytulDiv = document.getElementById('sg_q' + numericId);
  
	objectIdToSlideDown = false;
	
	if(!trescDiv.style.display || trescDiv.style.display=='none'){		
		if(sg_activeId &&  sg_activeId!=numericId){			
			objectIdToSlideDown = numericId;
			slideContent(sg_activeId,(sg_slideSpeed*-1));
		}else{
			
			trescDiv.style.display='block';
			trescDiv.style.visibility = 'visible';
			
			slideContent(numericId,sg_slideSpeed); 
      tytulDiv.style.display='none';
		}
	}else{
		slideContent(numericId,(sg_slideSpeed*-1));
		sg_activeId = false;
	}	
}

function slideContent(inputId,direction)
{
	
	var obj =document.getElementById('sg_a' + inputId); 
	var contentObj = document.getElementById('sg_ac' + inputId);
  var tytulObj = document.getElementById('sg_q' + inputId);
	height = obj.clientHeight;
	if(height==0)height = obj.offsetHeight;
	height = height + direction;
	rerunFunction = true;
	if(height>contentObj.offsetHeight){
		height = contentObj.offsetHeight;
		rerunFunction = false;
	}
	if(height<=1){
		height = 1;
		rerunFunction = false;
		tytulObj.style.display='block';
	}

	obj.style.height = height + 'px';
	var topPos = height - contentObj.offsetHeight;
	if(topPos>0)topPos=0;
	contentObj.style.top = topPos + 'px';
	if(rerunFunction){
		setTimeout('slideContent(' + inputId + ',' + direction + ')',sg_timer);
	}else{
		if(height<=1){
			obj.style.display='none'; 
			if(objectIdToSlideDown && objectIdToSlideDown!=inputId){
				document.getElementById('sg_a' + objectIdToSlideDown).style.display='block';
				document.getElementById('sg_a' + objectIdToSlideDown).style.visibility='visible';
				slideContent(objectIdToSlideDown,sg_slideSpeed);				
			}else{
				sg_slideInProgress = false;   
			}
		}else{
			sg_activeId = inputId;
			sg_slideInProgress = false;
		}
	}
}



function initShowHideDivs()
{

	var divs = document.getElementsByTagName('DIV');
	var divCounter = 1;
	for(var no=0;no<divs.length;no++){
		if(divs[no].className=='stytul'){
			divs[no].onclick = showHideContent;
			divs[no].id = 'sg_q'+divCounter;
			var answer = divs[no].nextSibling;
			while(answer && answer.tagName!='DIV'){
				answer = answer.nextSibling;
			}          
			answer.id = 'sg_a'+divCounter;	
			contentDiv = answer.getElementsByTagName('DIV')[0];
			contentDiv.style.top = 0 - contentDiv.offsetHeight + 'px'; 	
			contentDiv.className='stresc_content';
			contentDiv.id = 'sg_ac' + divCounter;
			answer.style.display='none';
			answer.style.height='1px';
			divCounter++;
		}	
    	if(divs[no].className=='stresc'){
			divs[no].onclick = showHideContent;
			}	
	}	
}
window.onload = initShowHideDivs;


function jsScrollbar (o, s, a, ev) {
	var self = this;
	
	this.reset = function () {
		//Arguments that were passed
		this._parent = o;
		this._src    = s;
		this.auto    = a ? a : false;
		this.eventHandler = ev ? ev : function () {};
		//Component Objects
		this._up   = this._findComponent("Scrollbar-Up", this._parent);
		this._down = this._findComponent("Scrollbar-Down", this._parent);
		this._yTrack  = this._findComponent("Scrollbar-Track", this._parent);
		this._yHandle = this._findComponent("Scrollbar-Handle", this._yTrack);
		//Height and position properties
		this._trackTop = findOffsetTop(this._yTrack);
		this._trackHeight  = this._yTrack.offsetHeight;
		this._handleHeight = this._yHandle.offsetHeight;
		this._x = 0;
		this._y = 0;
		//Misc. variables
		this._scrollDist  = 5;
		this._scrollTimer = null;
		this._selectFunc  = null;
		this._grabPoint   = null;
		this._tempTarget  = null;
		this._tempDistX   = 0;
		this._tempDistY   = 0;
		this._disabled    = false;
		this._ratio = (this._src.totalHeight - this._src.viewableHeight)/(this._trackHeight - this._handleHeight);
		
		this._yHandle.ondragstart  = function () {return false;};
		this._yHandle.onmousedown = function () {return false;};
		this._addEvent(this._src.content, "mousewheel", this._scrollbarWheel);
		this._removeEvent(this._parent, "mousedown", this._scrollbarClick);
		this._addEvent(this._parent, "mousedown", this._scrollbarClick);
		
		this._src.reset();
		with (this._yHandle.style) {
			top  = "0px";
			left = "0px";
		}
		this._moveContent();
		
		if (this._src.totalHeight < this._src.viewableHeight) {
			this._disabled = true;
			this._yHandle.style.visibility = "hidden";
			this._yTrack.style.visibility  = "hidden";
			this._up.style.visibility  = "hidden";
			this._down.style.visibility = "hidden";
			if (this.auto) this._parent.style.visibility = "hidden";
			
			
		} else {
			this._disabled = false;
			this._yHandle.style.visibility = "visible";
			this._parent.style.visibility  = "visible";
			this._yTrack.style.visibility  = "visible";
			this._up.style.visibility  = "visible";
			this._down.style.visibility = "visible";
		}
	};
	this._addEvent = function (o, t, f) {
		if (o.addEventListener) o.addEventListener(t, f, false);
		else if (o.attachEvent) o.attachEvent('on'+ t, f);
		else o['on'+ t] = f;
	};
	this._removeEvent = function (o, t, f) {
		if (o.removeEventListener) o.removeEventListener(t, f, false);
		else if (o.detachEvent) o.detachEvent('on'+ t, f);
		else o['on'+ t] = null;
	};
	this._findComponent = function (c, o) {
		var kids = o.childNodes;
		for (var i = 0; i < kids.length; i++) {
			if (kids[i].className && kids[i].className == c) {
				return kids[i];
			}
		}
	};
	//Thank you, Quirksmode
	function findOffsetTop (o) {
		var t = 0;
		if (o.offsetParent) {
			while (o.offsetParent) {
				t += o.offsetTop;
				o  = o.offsetParent;
			}
		}
		return t;
	};
	this._scrollbarClick = function (e) {
		if (self._disabled) return false;
		
		e = e ? e : event;
		if (!e.target) e.target = e.srcElement;
		
		if (e.target.className.indexOf("Scrollbar-Up") > -1) self._scrollUp(e);
		else if (e.target.className.indexOf("Scrollbar-Down") > -1) self._scrollDown(e);
		else if (e.target.className.indexOf("Scrollbar-Track") > -1) self._scrollTrack(e);
		else if (e.target.className.indexOf("Scrollbar-Handle") > -1) self._scrollHandle(e);
		
		self._tempTarget = e.target;
		self._selectFunc = document.onselectstart;
		document.onselectstart = function () {return false;};
		
		self.eventHandler(e.target, "mousedown");
		self._addEvent(document, "mouseup", self._stopScroll, false);
		
		return false;
	};
	this._scrollbarDrag = function (e) {
		e = e ? e : event;
		var t = parseInt(self._yHandle.style.top);
		var v = e.clientY + document.body.scrollTop - self._trackTop;
		with (self._yHandle.style) {
			if (v >= self._trackHeight - self._handleHeight + self._grabPoint)
				top = self._trackHeight - self._handleHeight +"px";
			else if (v <= self._grabPoint) top = "0px";
			else top = v - self._grabPoint +"px";
			self._y = parseInt(top);
		}
		
		self._moveContent();
	};
	this._scrollbarWheel = function (e) {
		e = e ? e : event;
		var dir = 0;
		if (e.wheelDelta >= 120) dir = -1;
		if (e.wheelDelta <= -120) dir = 1;
		
		self.scrollBy(0, dir * 20);
		e.returnValue = false;
	};
	this._startScroll = function (x, y) {
		this._tempDistX = x;
		this._tempDistY = y;
		this._scrollTimer = window.setInterval(function () {
			self.scrollBy(self._tempDistX, self._tempDistY); 
		}, 40);
	};
	this._stopScroll = function () {
		self._removeEvent(document, "mousemove", self._scrollbarDrag, false);
		self._removeEvent(document, "mouseup", self._stopScroll, false);
		
		if (self._selectFunc) document.onselectstart = self._selectFunc;
		else document.onselectstart = function () { return true; };
		
		if (self._scrollTimer) window.clearInterval(self._scrollTimer);
		self.eventHandler (self._tempTarget, "mouseup");
	};
	this._scrollUp = function (e) {this._startScroll(0, -this._scrollDist);};
	this._scrollDown = function (e) {this._startScroll(0, this._scrollDist);};
	this._scrollTrack = function (e) {
		var curY = e.clientY + document.body.scrollTop;
		this._scroll(0, curY - this._trackTop - this._handleHeight/2);
	};
	this._scrollHandle = function (e) {
		var curY = e.clientY + document.body.scrollTop;
		this._grabPoint = curY - findOffsetTop(this._yHandle);
		this._addEvent(document, "mousemove", this._scrollbarDrag, false);
	};
	this._scroll = function (x, y) {
		if (y > this._trackHeight - this._handleHeight) 
			y = this._trackHeight - this._handleHeight;
		if (y < 0) y = 0;
		
		this._yHandle.style.top = y +"px";
		this._y = y;
		
		this._moveContent();
	};
	this._moveContent = function () {
		this._src.scrollTo(0, Math.round(this._y * this._ratio));
	};
	
	this.scrollBy = function (x, y) {
		this._scroll(0, (-this._src._y + y)/this._ratio);
	};
	this.scrollTo = function (x, y) {
		this._scroll(0, y/this._ratio);
	};
	this.swapContent = function (o, w, h) {
		this._removeEvent(this._src.content, "mousewheel", this._scrollbarWheel, false);
		this._src.swapContent(o, w, h);
		this.reset();
	};
	
	this.reset();
};

function jsScroller (o, w, h) {
	var self = this;
	var list = o.getElementsByTagName("div");
	for (var i = 0; i < list.length; i++) {
		if (list[i].className.indexOf("Scroller-Container") > -1) {
			o = list[i];
		}
	}
	
	//Private methods
	this._setPos = function (x, y) {
		if (x < this.viewableWidth - this.totalWidth) 
			x = this.viewableWidth - this.totalWidth;
		if (x > 0) x = 0;
		if (y < this.viewableHeight - this.totalHeight) 
			y = this.viewableHeight - this.totalHeight;
		if (y > 0) y = 0;
		this._x = x;
		this._y = y;
		with (o.style) {
			left = this._x +"px";
			top  = this._y +"px";
		}
	};
	
	//Public Methods
	this.reset = function () {
		this.content = o;
		this.totalHeight = o.offsetHeight;
		this.totalWidth	 = o.offsetWidth;
		this._x = 0;
		this._y = 0;
		with (o.style) {
			left = "0px";
			top  = "0px";
		}
	};
	this.scrollBy = function (x, y) {
		this._setPos(this._x + x, this._y + y);
	};
	this.scrollTo = function (x, y) {
		this._setPos(-x, -y);
	};
	this.stopScroll = function () {
		if (this.scrollTimer) window.clearInterval(this.scrollTimer);
	};
	this.startScroll = function (x, y) {
		this.stopScroll();
		this.scrollTimer = window.setInterval(
			function(){ self.scrollBy(x, y); }, 40
		);
	};
	this.swapContent = function (c, w, h) {
		o = c;
		var list = o.getElementsByTagName("div");
		for (var i = 0; i < list.length; i++) {
			if (list[i].className.indexOf("Scroller-Container") > -1) {
				o = list[i];
			}
		}
		if (w) this.viewableWidth  = w;
		if (h) this.viewableHeight = h;
		this.reset();
	};
	
	//variables
	this.content = o;
	this.viewableWidth  = w;
	this.viewableHeight = h;
	this.totalWidth	 = o.offsetWidth;
	this.totalHeight = o.offsetHeight;
	this.scrollTimer = null;
	this.reset();
};

function validate(evt) {
  var theEvent = evt || window.event;
  var key = theEvent.keyCode || theEvent.which;
  key = String.fromCharCode( key );
  var regex = /[0-9]|\./;
  if( !regex.test(key) ) {
    theEvent.returnValue = false;
    theEvent.preventDefault();
  }
};
function displayRow(eid) { 
  var row = document.getElementById (eid); 
	 if (row.style.display =='none') row.style.display = 'block'; 
  else row.style.display ='none'; 
};