var wndo1 = "test";

function initScrollLayers() {
	wndo1 = new dw_scrollObj('wn1', 'redac', null);
	wndo1.setUpScrollbar("dragBar1", "track1", "v", 1, 1);
	dw_showLayers("scrollbar1");
	dw_scrollObj.initScroll('wn1','up');

}

function dw_showLayers() {
  if ( document.getElementById ) {
    var lyr, i;
    for (i=0; arguments[i]; i++) {
      lyr = document.getElementById( arguments[i] );
      lyr.style.visibility = "visible";
    }
  }
}

var nn=(document.layers)?true:false;
var ie=(document.all)?true:false;

safariIndex = navigator.userAgent.indexOf("Safari");
if (safariIndex > 0) var safari = true;

function keyPress(e)
{
	var evt=(e)?e:(window.event)?window.event:null;
	if(evt){
		var key=(evt.charCode)?evt.charCode: ((evt.keyCode)?evt.keyCode:((evt.which)?evt.which:0));

		
		var up = 38;
		var down = 40;
		var pgup = 33;
		var pgdown = 34;
	
		if (safari)
		{
			up = 63232;
			down = 63233;
			pgup = 63276;
			pgdown = 63277;
		}

		switch (key) 
		{
			case down:
				dw_scrollObj.initScroll('wn1','down');
				break;
			case up:
				dw_scrollObj.initScroll('wn1','up');
				break;
			case pgup:
        		wndo1.shiftTo(document.getElementById("redac"), 0, 0);
        		wndo1.on_scroll(0, 0);
				break;
			case pgdown:
				wndo1.shiftTo(document.getElementById("redac"), 0, -wndo1.maxY);
        		wndo1.on_scroll(0, -wndo1.maxY);
				break;
		}
	
		//window.status = key + " " + safari;

	} 
			
}

function onmousewheel(element, callback) {
		
	// @author	Andrea Giammarchi		[http://www.devpro.it/]
	// @license	MIT 				[http://www.opensource.org/licenses/mit-license.php]
	// @credits	Adomas Paltanavicius 		[http://adomas.org/javascript-mouse-wheel/]
	
	function __onwheel(event) {
		var	delta = 0;
		if(event.wheelDelta) {
			delta = event.wheelDelta / 120;
			if(window.opera)
				delta = -delta;
		}
		else if(event.detail)
			delta = -event.detail / 3;
		if(delta)
			callback.call(element, delta);
		if(event.preventDefault)
			event.preventDefault();
		event.returnValue = false;
		return false;
	};
	
	if(element.addEventListener && !window.opera)
		element.addEventListener("DOMMouseScroll", __onwheel, false);
	else
		element.onmousewheel = (function(base){return function(evt){
			if(!evt) evt = window.event;
			if(base) base.call(element, evt);
			return __onwheel(evt);
		}})(element.onmousewheel);
};

onload = function() {
			onmousewheel(
				document.getElementById("body"),
				function(delta) {
					if (delta > 0)
					{
						if (wndo1.y < 0)
						{
							wndo1.shiftTo(document.getElementById("redac"), 0, wndo1.y+20);
	        					wndo1.on_scroll(0, wndo1.y+20);
						}
					}else {
						if (wndo1.y > -wndo1.maxY)
						{
							wndo1.shiftTo(document.getElementById("redac"), 0, wndo1.y-20);
	        					wndo1.on_scroll(0, wndo1.y-20);
						}
					}
				}
			);
			initScrollLayers();
		};