/* 

	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.easyscroll = function(){
	
	// id of the container element 
	var id = "myContent";
	
	// navigation buttons text
	//var nav = ["Scroll Up", "Scroll Down", "Reset"];
	
	//	id for each navigation button (OPTIONAL)
	//var navId = ["btnUp", "btnDown", "btnReset"];

	// movement speed
	var speed = 1;
	
	// desired height of the container element (in pixels)
	var height = 520;
	
	//
	// END CONFIG
	// do not edit below this line (unless you want to of course :) )
	//

	var obj = document.getElementById(id);
if(obj!=null) {
	//obj.up = false;
	//obj.down = false;
	//obj.fast = false;

	var container = document.createElement("div");
	var parent = obj.parentNode;
	container.id="easyscroll";
	parent.insertBefore(container,obj);
	parent.removeChild(obj);	
	
	container.style.position = "relative";
	container.style.height = height + "px";
	container.style.overflow = "hidden";
	obj.style.position = "absolute";
	obj.style.top = "0";
	obj.style.left = "0";
	container.appendChild(obj);
	
	var btns = new Array();
	var ul = document.createElement("ul");
	ul.id="easyscrollnav";
	//for (var i=0;i<nav.length;i++){
	//	var li = document.createElement("li");
	//	li.innerHTML = nav[i];
	//	li.id = navId[i];
	//	btns.push(li);
	//	ul.appendChild(li);
	//};
	parent.insertBefore(ul,container);
	
	//btns[0].onmouseover = function(){
	//	obj.up = true;
	//	this.className = "over";
	//};
	//btns[0].onmouseout = function(){
	//	obj.up = false;
	//	this.className = "";
	//};		
	//btns[1].onmouseover = function(){
	//	obj.down = true;
	//	this.className = "over";		
	//};
	//btns[1].onmouseout = function(){
	//	obj.down = false;
	//	this.className = "";
	//};		
	//btns[0].onmousedown = btns[1].onmousedown = function(){
	//	obj.fast = true;
	//};	
	//btns[0].onmouseup = btns[1].onmouseup = function(){
	//	obj.fast = false;
	//};		
	//btns[2].onmouseover = function(){ 		
	//	this.className = "over";
	//};	
	//btns[2].onmouseout = function(){ 		
	//	this.className = "";
	//};		
	//btns[2].onclick = function(){ 		
	//	obj.style.top = "0px";
	//};		
	
	//alert(obj.offsetHeight);
	//alert(obj.offsetTop);
	
	this.start = function(){				
		var newTop;
		var objHeight = obj.offsetHeight;
		var top = obj.offsetTop;
		var fast = 1;
		//if(obj.down){
			//alert(newTop);
			//newTop = ((objHeight+top) > height) ? top-(speed*fast) : top;
			if((objHeight+top) > 0) {
				obj.style.top = (top-(speed*fast)) + "px";;
			} else {
				obj.style.top = height + "px";
			}
			//document.write(newTop);
			//obj.style.top = newTop + "px";
			//obj.style.top = "0px";
		//};	
		//if(obj.up){		 
		//	newTop = (top < 0) ? top+(speed*fast) : top;
		//	obj.style.top = newTop + "px";
		//};
	};	
	obj.interval = setInterval("start()", 50);
}
};


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

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