function addEvent(elm, evType, fn, useCapture) {
		if(elm.addEventListener) {
			elm.addEventListener(evType, fn, useCapture);
			return true;
		} else if( elm.attachEvent) {
			var r = elm.attachEvent('on' + evType, fn);
		} else {
			elm['on' +evType] = fn;	
		}
	}
var IE = document.addEventListener?false:true
var tempX;
var oldX;
var posString;
if (!IE) document.captureEvents(Event.MOUSEMOVE);
function getNextHighestDepth() {
	z = z+1;
}
function follow(e) {
    e = e || window.event;
    cursor = {x:0, y:0}
    if (e.pageX || e.pageY) {
        cursor.x = e.pageX;
        cursor.y = e.pageY;
    } 
    else {
        cursor.x = e.clientX + 
            (document.documentElement.scrollLeft || 
            document.body.scrollLeft) - 
            document.documentElement.clientLeft;
        cursor.y = e.clientY + 
            (document.documentElement.scrollTop || 
            document.body.scrollTop) - 
            document.documentElement.clientTop;
    }
  	if(cursor.x < 190) {cursor.x = 190; }
  	if(cursor.x > 900) {cursor.x = 900; }
	var t = document.getElementById('navigation').style;
	posString = cursor.x -175 +"px 0px";
	t.backgroundPosition = posString;
	var styles = document.getElementById('gradient_main');
} 
document.onmousemove = follow;

function openWindow(requestedScene) {
	var left = parseInt(screen.availWidth/2)-500;
	var top = parseInt(screen.availHeight/2)-350;
	var windowFeatures = "width=1000, height=700, status=0, resizable=0,left=" +left +",top="+top+",screenX="+left+",screenY="+top;
	var rshWindow = window.open('hi-end/index.jsp?requestedScene='+requestedScene,'RSH', windowFeatures);	
}
function openWindowEng(requestedScene) {
	var left = parseInt(screen.availWidth/2)-500;
	var top = parseInt(screen.availHeight/2)-350;
	var windowFeatures = "width=1000, height=700, status=0, resizable=0,left=" +left +",top="+top+",screenX="+left+",screenY="+top;
	var rshWindow = window.open('hi-end/indexEng.jsp?requestedScene='+requestedScene,'RSH', windowFeatures);	
}
function img(url) {
	var rsh;
	var left = parseInt(screen.availWidth/2)-250;
	var top = parseInt(screen.availHeight/2)-250;
	var windowFeatures = "width=500, height=500, status=0, resizable=0,left=" +left +",top="+top+",screenX="+left+",screenY="+top;
 	if(rsh = window.open('image.jsp?img='+url,'RSH', windowFeatures)) { return false; } else { return true;}
}