function MM_findObj(n, d) { //v3.0
  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); 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 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;
}


  if (document.images) {
  mainnav_dental_health_f2 = new Image(109 ,23); mainnav_dental_health_f2.src = "/img/mainnav_dental_health_f2.gif";
  mainnav_dental_health_f1 = new Image(109 ,23); mainnav_dental_health_f1.src = "/img/mainnav_dental_health.gif";
  mainnav_find_dentist_f2 = new Image(113 ,23); mainnav_find_dentist_f2.src = "/img/mainnav_find_dentist_f2.gif";
  mainnav_find_dentist_f1 = new Image(113 ,23); mainnav_find_dentist_f1.src = "/img/mainnav_find_dentist.gif";
  mainnav_about_f2 = new Image(112 ,23); mainnav_about_f2.src = "/img/mainnav_about_f2.gif";
  mainnav_about_f1 = new Image(112 ,23); mainnav_about_f1.src = "/img/mainnav_about.gif";
  mainnav_news_f2 = new Image(60 ,23); mainnav_news_f2.src = "/img/mainnav_news_f2.gif";
  mainnav_news_f1 = new Image(60 ,23); mainnav_news_f1.src = "/img/mainnav_news.gif";
  mainnav_contact_f2 = new Image(96 ,23); mainnav_contact_f2.src = "/img/mainnav_contact_f2.gif";
  mainnav_contact_f1 = new Image(96 ,23); mainnav_contact_f1.src = "/img/mainnav_contact.gif";
  mainnav_member_area_f2 = new Image(103 ,23); mainnav_member_area_f2.src = "/img/mainnav_member_area_f2.gif";
  mainnav_member_area_f1 = new Image(103 ,23); mainnav_member_area_f1.src = "/img/mainnav_member_area.gif";
  }
  
  
function openWinFoot(URL){
	aWindow=window.open(URL,"OpenWin",'toolbar=no,status=no,scrollbars=yes,resizable=yes,menubar=no,width=400,height=340');
	}

if (window != top) top.location.href = location.href;


var rand1 = 0;
var useRand = 0;
{
images = new Array;
images[1] = new Image();
images[1].src = "img/photo_home_feature1.jpg";
images[2] = new Image();
images[2].src = "img/photo_home_feature1_2.jpg";
images[3] = new Image();
images[3].src = "img/photo_home_feature1_3.jpg";
}
function swapPic() {
var imgnum = images.length - 1;
do {
var randnum = Math.random();
rand1 = Math.round((imgnum - 1) * randnum) + 1;
} while (rand1 == useRand);
useRand = rand1;
document.randimg.src = images[useRand].src;
}