// Netscap window resize bug, this script corrects the bug in netscape that makers the Layers crash

if(document.layers){origWidth=innerWidth;origHeight=innerHeight;onresize=function(){
if(innerWidth!=origWidth||innerHeight!=origHeight)location.reload()}}
// -------------------  End of Script  ------------------------

//Swap Image, this script is for the swap image restore function for the left hand Navs.
function 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=findObj(n,d.layers[i].document); return x;
}

/* Functions that swaps images. */
function swapImage() { //v3.0
  var i,j=0,x,a=swapImage.arguments; document.sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=findObj(a[i]))!=null){document.sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function swapImgRestore() { //v3.0
  var i,x,a=document.sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

/* Functions that handle preload. */
function preloadImages() { //v3.0
 var d=document; if(d.images){ if(!d.p) d.p=new Array();
   var i,j=d.p.length,a=preloadImages.arguments; for(i=0; i<a.length; i++)
   if (a[i].indexOf("#")!=0){ d.p[j]=new Image; d.p[j++].src=a[i];}}
}
// -------------------  End of Script  ------------------------





// popup window function

function openWindow(theURL,PopWidth,PopHeight) {
 var width = PopWidth;
 var height = PopHeight;
 var screenY = screen.height;
 var screenX = screen.width;
 var topvar = (screenY - height) / 2 - 50;
 var leftvar = (screenX - width) / 2;
 window.open(theURL,'','resizable=no,scrollbars=no,toolbar=no,menubar=no,location=no,status=no,top='+topvar+',left='+leftvar+',width='+width+',height='+height+'');
}


// read cookie for popup

function launchPopup(theURL) {
	var visits = readCookie("PopUp");
	if (visits != null) {
		if (visits == "yes") {
		  createCookie("PopUp", "yes", 0);
		} else if (visits == "no") {
		  createCookie("PopUp", "yes", 0);
		  openWindow(theURL,"300","250");
		}
	}
	else {
	createCookie("PopUp", "yes", 0);
	openWindow(theURL,"300","250");
	}
}

function readCookie(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}

function createCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = ";expires="+date.toGMTString();
  }
  else expires = "";
  document.cookie = name+"="+value+expires+";path=/";
}

function getElement(objectName)
{
    if (document.getElementById) return document.getElementById(objectName);
    if (document.all) return document.all[objectName].style.display=value;
    return null;
}

function layerSwap(layerOn, layerOff)
{
	var currentMode = getElement(layerOff).style.display;
	getElement(layerOff).style.display = 'none';
	getElement(layerOn).style.display = currentMode;
}