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_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_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];}
}

function show(id) {
  if (document.all) {
    document.all[id].style.visibility = 'visible';
  }
  if (document.layers) {
    document.layers[id].style.visibility = 'visible';
  }
  if (document.getElementById) {
    document.getElementById(id).style.visibility = 'visible';
    document.getElementById(id).style.position = 'relative';
  }
}
function hide(id) {
  if (document.all) {
      document.all[id].style.visibility = 'hidden';
    }
    if (document.layers) {
      document.layers[id].visibility = 'hidden';
    }
    if (document.getElementById) {
      document.getElementById(id).style.visibility = 'hidden';
      document.getElementById(id).style.position = 'absolute';
      document.getElementById(id).style.position = 'absolute';
    }
}

sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);

function launchPopup(page,name,w,h){
var width
var height
var leftdist
var topdist
width = screen.width;
height = screen.height;
leftdist = Math.round((width - w) / 2);
topdist = Math.round((height - h) / 2);
window.open(page,name,'width='+w+',height='+h+',top='+topdist+',left='+leftdist+',noresize,resize=0,scrollbars=0,menubar=0,location=0,toolbar=0')
}

var how_many_ads = 3;
var now = new Date()
var sec = now.getSeconds()
var ad = sec % how_many_ads;
ad +=1;
var hpad = "<img src='images/home_img" + ad + ".jpg' width=685 height=361>";