// JavaScript Document

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) { //v4.0
  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 && document.getElementById) x=document.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 randBanner()
{
//create an array of banner images
 var i = new Array(new Image(780,121), new Image(780,121), new Image(780,121), new Image(780,121));
 i[0].src="http://www.bayvillage.net/images/banner_rooftop.jpg";
 i[1].src="http://www.bayvillage.net/images/banner_leaves.jpg";
 i[2].src="http://www.bayvillage.net/images/banner_tree.jpg";
 i[3].src="http://www.bayvillage.net/images/banner_windowbox.jpg";
 
//get a random number between 0 and the number of banners available 
 var pictnum=Math.round(Math.random()*4)-1;
 while(pictnum<0 || pictnum>4) pictnum=Math.round(Math.random()*4)-1;
 
//change the banner picture
 document.banner.src=i[pictnum].src;
}