// JavaScript Document

function $(id) {
  return document.getElementById(id);
}

function hideLayer(Div)
{
	$(Div).style.display = "none";
}

function randomImg()
{
	//random*2+1
	var random_number = Math.round(Math.random() * 3);
	random_number++;
	//alert(random_number); //for testing
		
	if(random_number == 1)
	{
	$('headImage').src= "images/header1.gif";
	}
	else if(random_number == 2)
	{
	$('headImage').src= "images/header2.gif";
	}
	else if(random_number == 3)
	{
	$('headImage').src= "images/header3.gif";
	}
	else if(random_number == 4)
	{
	$('headImage').src= "images/header4.gif";
	}	
	
}

function showLayer(Div)
{
	if(Div == "PopImageDiv")
	{
	$(Div).style.display = "block";
	$('PopImageDiv2').style.display = "none";
	}
	else if(Div == "PopImageDiv2")
	{
	$(Div).style.display = "block";
	$('PopImageDiv').style.display = "none";		
	}
}

//adjusts document length to proper size
//this function adjusts for IE6 and does page loading functions
function ie6Adjust()
{

var browserName=navigator.appName; 
var platformOS =navigator.platform;
var checkOS = platformOS.indexOf('Mac');
var checkOS = checkOS * 1;	
	
if(checkOS != -1) // a mac
{
	
}

if(browserName == "Microsoft Internet Explorer")
{
	
 var ua = window.navigator.appVersion;
 //alert(ua);
//alert(ua.charAt(22));
ua= ua.charAt(22);

	if(ua == "6")
	{
	$('LeftColumn').style.marginLeft= "16px";
	}
	else if(ua == "7")
	{
	}
	
}
else if(browserName == "Netscape")
{
	//alert($('LeftColumn').style.top);
}

//load random header
randomImg();

//set current page link
whichPage = getCurrPage();
//alert(whichPage);
if(whichPage == "index.cfm")
$('Home').src = 'images/nav/homeb.gif';
else if(whichPage == "about.cfm")
$('About').src = 'images/nav/drb.gif';
else if(whichPage == "doctor-kozmary.cfm")
$('DrKozmary').src = 'images/nav/drb.gif';
else if(whichPage == "services-procedures.cfm")
$('Services').src = 'images/nav/servicesb.gif';
else if(whichPage == "why.cfm")
$('Why').src = 'images/nav/whyb.gif';
else if(whichPage == "store2.cfm")
$('Store').src = 'images/nav/storeb.gif';
else if(whichPage == "medical-forms.cfm")
$('MedicalForms').src = 'images/nav/medb.gif';
else if(whichPage == "medical-forms.cfm?msg=success")
$('MedicalForms').src = 'images/nav/medb.gif';
else if(whichPage == "contact.cfm")
$('Contact').src = 'images/nav/contactb.gif';
else if(whichPage == "forms-medical-history.cfm")
$('MedicalForms').src = 'images/nav/medb.gif';
else if(whichPage == "forms-medical-history_p2.cfm")
$('MedicalForms').src = 'images/nav/medb.gif';
} //end ieadjust function

//gets the page the user is on
function getCurrPage()
{
test = location.href;

test= test.split("/");
str = test[test.length-1];
return str;
}


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];}
}

//popup window
function redirect(thePage) {
win2=window.open(thePage,"","scrollbars=no,width=612,height=566")
win2.creator=self
}