var activeSrc = null;
var imgOn = new Array(); 
var imgOff = new Array();
var imagepath = 'images/';
	
function init(){
	var p = imagepath;
	//leave first "slot" empty since we want to begin at 1 
	var imgOnSrc = new Array('',p+'nav_philosophy_on.gif',p+'nav_address_on.gif',p+'nav_hours_on.gif',p+'nav_price_on.gif',p+'nav_news_on.gif');

	for (var i=1;i<6;i++){
		imgOn[i] = new Image();
		if(typeof(imgOnSrc[i]) == 'string'){
			imgOn[i].src = imgOnSrc[i];
		}	
	}
}
function strip(str){
	var i = str.indexOf(imagepath); 
	if(i == -1){
	//imagepath fanns inte i strängen
		return '';
	}
	else{
		i += imagepath.length;
		return str.slice(i);
	}
}
function imgOver(nr){
	var img = document.images['nav'+nr];
	activeSrc= imagepath + strip(img.src);
	if(typeof(imgOn[nr].src) == 'string'){
		img.src = imagepath + strip(imgOn[nr].src);
	}
}
function imgOut(nr){
	if(activeSrc != null){
		document.images['nav'+nr].src = activeSrc;
		activeSrc = null;
	}
}
function getRandomNr(){
    return Math.round(new Date().getTime()*Math.random());
}
var win = null;
function openWin(page,w,h){

	if(win!=null){
		win.close();
		win = null;
	}
	win = window.open(page,'popup'+getRandomNr(),'width='+w+',height='+h+',scrollbars=1');
	if (window.focus){
		win.focus();
	}
	wincount++;
}

//initiera sidan
window.onload = init;