var IE=document.all;
var NS=document.layers;
var ver4=IE||NS;
var NS6 = document.getElementById && !IE;

var lmenu=0;
var thandler;

function doSomething(o){
	if(ver4||NS6) {
		if(lmenu>0) {
			closeMenu();
		}
		
		var clayer;
		
		if (IE) {
			clayer=eval("document.all.Layer"+o+".style");
		} else if (NS) {
			clayer=eval("document.Layer"+o);
		} else if (NS6) {
			clayer=eval("document.getElementById('Layer"+o+"').style");
		}
		
		if (IE) {
			clayer.visibility='visible';
		} else {
			clayer.visibility='show';
		}
		
		if (thandler) {
			clearTimeout(thandler);
		}
		
		lmenu=o;
	}
}

function closeMenu(){
	if (lmenu>0) {
		var clayer;
		
		if(IE) {
			clayer=eval("document.all.Layer"+lmenu+".style");
		} else if (NS) {
			clayer=eval("document.Layer"+lmenu);
		} else if (NS6) {
			clayer=eval("document.getElementById('Layer"+lmenu+"').style");
		}
		
		clayer.visibility='hidden';
		
		lmenu=0;
	}
}

function prepareToClose(){
	if (lmenu>0) {
		thandler=setTimeout("closeMenu()",500);
	}
}

i=0;
hnav_color_scheme=new Array();
hnav_color_scheme[i++]="grey";
hnav_color_scheme[i++]="blu";
hnav_color_scheme[i++]="brwn";
hnav_color_scheme[i++]="vio";
hnav_color_scheme[i++]="grin";
hnav_color_scheme[i++]="yel";

hnav_color_grey=0;
hnav_color_blue=1;
hnav_color_brown=2;
hnav_color_violet=3;
hnav_color_green=4;
hnav_color_yellow=5;

hnav_color_index=hnav_color_grey;