/* 

	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.easyscroll4 = function(){
	
	// id of the container element 
	var id4 = "myRightMenu";
	
	// navigation buttons text
	var nav4 = ["<img src='images/button_up.gif'/>", "<img src='images/button_down.gif'/>", "Reset"];
	
	//	id for each navigation button (OPTIONAL)
	var nav4Id = ["btnUp4", "btnDown4", "btnReset3"];

	// movement speed
	var speed = 5;
	
	// desired height of the container element (in pixels)
	var height4 = 88;
	
	//
	// END CONFIG
	// do not edit below this line (unless you want to of course :) )
	//

	var obj4 = document.getElementById(id4);
	
	obj4.up = false;
	obj4.down = false;
	obj4.fast = false;

	var container4 = document.createElement("div");
	var parent4 = obj4.parentNode;
	container4.id="easyscroll4";
	parent4.insertBefore(container4,obj4);
	parent4.removeChild(obj4);	
	
	container4.style.position = "relative";
	container4.style.height = height4 + "px";
	container4.style.overflow = "hidden";
	obj4.style.position = "absolute";
	obj4.style.top = "0";
	obj4.style.left = "0";
	container4.appendChild(obj4);
	
	var btns4 = new Array();
	var ul4 = document.createElement("ul");
	ul4.id="easyscrollnav4";
	for (var i=0;i<nav4.length;i++){
		var li4 = document.createElement("li");
		li4.innerHTML = nav4[i];
		li4.id = nav4Id[i];
		btns4.push(li4);
		ul4.appendChild(li4);
	};
	parent4.insertBefore(ul4,container4);
	
	btns4[0].onmouseover = function(){
		obj4.up = true;
		this.className = "over";
	};
	btns4[0].onmouseout = function(){
		obj4.up = false;
		this.className = "";
	};		
	btns4[1].onmouseover = function(){
		obj4.down = true;
		this.className = "over";		
	};
	btns4[1].onmouseout = function(){
		obj4.down = false;
		this.className = "";
	};		
	btns4[0].onmousedown = btns4[1].onmousedown = function(){
		obj4.fast = true;
	};	
	btns4[0].onmouseup = btns4[1].onmouseup = function(){
		obj4.fast = false;
	};		
	btns4[2].onmouseover = function(){ 		
		this.className = "over";
	};	
	btns4[2].onmouseout = function(){ 		
		this.className = "";
	};		
	btns4[2].onclick = function(){ 		
		obj4.style.top = "0px";
	};		
		
	this.start = function(){				
		var newTop4;
		var obj4Height = obj4.offsetHeight;
		var top4 = obj4.offsetTop;
		if ((obj4Height+top4)<= height4) { $('#btnDown4').css('visibility','hidden'); }
		if (top4 >= 0) { $('#btnUp4').css('visibility','hidden'); }
		var fast4 = (obj4.fast) ? 2 : 1;
		if(obj4.down){		 
			newTop4 = ((obj4Height+top4) > height4) ? top4-(speed*fast4) : top4;	
			obj4.style.top = newTop4 + "px";
			if ((obj4Height+top4)<= height4) { $('#btnDown4').css('visibility','hidden'); }
			else { $('#btnDown4').css('visibility','visible');}
			if (top4 >= 0) { $('#btnUp4').css('visibility','hidden'); }
			else { $('#btnUp4').css('visibility','visible'); }
			
		};	
		if(obj4.up){		 
			newTop4 = (top4 < 0) ? top4+(speed*fast4) : top4;
			obj4.style.top = newTop4 + "px";
			if (top4 >= 0) { $('#btnUp4').css('visibility','hidden'); }
			else { $('#btnUp4').css('visibility','visible'); }
			if ((obj4Height+top4)<= height4) { $('#btnDown4').css('visibility','hidden');  }
			else { $('#btnDown4').css('visibility','visible'); }
		};
	};	
	$('#myRightMenu').css('display','block');
	obj4.interval = setInterval("start()",50);		
		
};


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

this.addEvent = function(obj4,type,fn){
	if(obj4.attachEvent){
		obj4['e'+type+fn] = fn;
		obj4[type+fn] = function(){obj4['e'+type+fn](window.event );}
		obj4.attachEvent('on'+type, obj4[type+fn]);
	} else {
		obj4.addEventListener(type,fn,false);
	};
};
addEvent(window,"load",easyscroll4);