/* 

	Easy Scroll v1.0
	written by Alen Grakalic, provided by Css Globe (cssglobe.com)
	please visit http://cssglobe.com/post/1495/easy-scroll-accessible-content-scroller
	
*/

this.easyscroll3 = function(){
	
	// id of the container element 
	var id3 = "Thumb_container";
	
	// navigation buttons text
	var nav3 = ["<img src='images/button_up.gif'/>", "<img src='images/button_down.gif'/>", "Reset"];
	
	//	id for each navigation button (OPTIONAL)
	var navId3 = ["btnUp3", "btnDown3", "btnReset3"];

	// movement speed
	var speed = 5;
	
	// desired height of the container element (in pixels)
	var height3 = 207;
	
	//
	// END CONFIG
	// do not edit below this line (unless you want to of course :) )
	//

	var obj3 = document.getElementById(id3);
	
	obj3.up = false;
	obj3.down = false;
	obj3.fast = false;

	var container3 = document.createElement("div");
	var parent3 = obj3.parentNode;
	container3.id="easyscroll3";
	parent3.insertBefore(container3,obj3);
	parent3.removeChild(obj3);	
	
	container3.style.position = "relative";
	container3.style.height = height3 + "px";
	container3.style.overflow = "hidden";
	obj3.style.position = "absolute";
	obj3.style.top = "0";
	obj3.style.left = "0";
	container3.appendChild(obj3);
	
	var btns3 = new Array();
	var ul3 = document.createElement("ul");
	ul3.id="easyscrollnav3";
	for (var i=0;i<nav3.length;i++){
		var li3 = document.createElement("li");
		li3.innerHTML = nav3[i];
		li3.id = navId3[i];
		btns3.push(li3);
		ul3.appendChild(li3);
	};
	parent3.insertBefore(ul3,container3);
	
	btns3[0].onmouseover = function(){
		obj3.up = true;
		this.className = "over";
	};
	btns3[0].onmouseout = function(){
		obj3.up = false;
		this.className = "";
	};		
	btns3[1].onmouseover = function(){
		obj3.down = true;
		this.className = "over";		
	};
	btns3[1].onmouseout = function(){
		obj3.down = false;
		this.className = "";
	};		
	btns3[0].onmousedown = btns3[1].onmousedown = function(){
		obj3.fast = true;
	};	
	btns3[0].onmouseup = btns3[1].onmouseup = function(){
		obj3.fast = false;
	};		
	btns3[2].onmouseover = function(){ 		
		this.className = "over";
	};	
	btns3[2].onmouseout = function(){ 		
		this.className = "";
	};		
	btns3[2].onclick = function(){ 		
		obj3.style.top = "0px";
	};		
		
	this.start3 = function(){				
		var newTop3;
		var obj3Height = obj3.offsetHeight;
		var top3 = obj3.offsetTop;
		if ((obj3Height+top3)<= height3) { $('#btnDown3').css('visibility','hidden'); }
		if (top3 >= 0) { $('#btnUp3').css('visibility','hidden'); }
		var fast3 = (obj3.fast) ? 2 : 1;
		if(obj3.down){		 
			newTop3 = ((obj3Height+top3) > height3) ? top3-(speed*fast3) : top3;	
			obj3.style.top = newTop3 + "px";
			if ((obj3Height+top3)<= height3) { $('#btnDown3').css('visibility','hidden'); }
			else { $('#btnDown3').css('visibility','visible');}
			if (top3 >= 0) { $('#btnUp3').css('visibility','hidden'); }
			else { $('#btnUp3').css('visibility','visible'); }
			
		};	
		if(obj3.up){		 
			newTop3 = (top3 < 0) ? top3+(speed*fast3) : top3;
			obj3.style.top = newTop3 + "px";
			if (top3 >= 0) { $('#btnUp3').css('visibility','hidden'); }
			else { $('#btnUp3').css('visibility','visible'); }
			if ((obj3Height+top3)<= height3) { $('#btnDown3').css('visibility','hidden');  }
			else { $('#btnDown3').css('visibility','visible'); }
		};
	};	
	$('#Thumb_container').css('display','block');
	obj3.interval = setInterval("start3()",50);		
		
};


//
// script initiates on page load. 
//

this.addEvent = function(obj3,type,fn){
	if(obj3.attachEvent){
		obj3['e'+type+fn] = fn;
		obj3[type+fn] = function(){obj3['e'+type+fn](window.event );}
		obj3.attachEvent('on'+type, obj3[type+fn]);
	} else {
		obj3.addEventListener(type,fn,false);
	};
};
addEvent(window,"load",easyscroll3);