var bname;
var wheelInited = false;
var NoWheel = {

	initialize: function(){
		wheelInited = true
		this.busyCount = 0;
		bname = navigator.appName;	
		if(window.addEventListener)
		window.addEventListener("DOMMouseScroll", this.wheel, false);
		window.onmousewheel = document.onmousewheel = this.wheel;
		if (window.attachEvent)
			window.attachEvent("onmousewheel", this.wheel);
	},
	start: function(){
		window.document.network_map.focus();
	},
	
	wheel: function(event){
		if(this.bname == "Netscape") {
			if (event.detail)
				delta = 0;
	
			if (event.preventDefault){
				event.preventDefault();
				event.returnValue = false;
			}
	
		}
		return false;
	}
}