function $(id) {
    var d = document;
    if (!d._$) d._$ = new Array();
    
    if (d._$[id]==null) {
        d._$[id] = document.getElementById(id);
    }
    return d._$[id];
}

function openImg(src) {
	var ww = window.open( '/img_popup.php?img_url='+src, 'img_popup', 'toolbar=0,location=0,directories=0,menubar=0,scrollbars=0,resizable=0,status=0' );
	ww.focus();
	return false;
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

var mapShiftXStep = 0;
var mapShiftYStep = 0;
var mapShiftStepLength = 60;
var mapShiftMaxSteps = 3;

function mapShift(shiftX,shiftY) {
	var mapBG = document.getElementById('nm-mask');
	var startPos = mapShiftMaxSteps * mapShiftStepLength;
	if(Math.abs(mapShiftXStep + shiftX) <= 3) mapShiftXStep += shiftX;
	if(Math.abs(mapShiftYStep + shiftY) <= 3) mapShiftYStep += shiftY;
	mapBG.style.left = (mapShiftXStep * mapShiftStepLength - startPos) + 'px';
	mapBG.style.top = (mapShiftYStep * mapShiftStepLength - startPos) + 'px';
	return false;
}

var main_images_current = 0;
var main_images = new Array();
function main_images_change() {
    var l = main_images.length;
    if (l > 0) {
		main_images_current++;
        if (main_images_current >= l) {
			main_images_current = 0;
		}
		$('main_images_img').src = main_images[main_images_current];
    }
}
function main_images_add(src) {
	main_images.push(src);
	MM_preloadImages(src);
}
window.setInterval("main_images_change()", "6000");