//Image Rollover functions
//------------------------------------------

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 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 openpopup(popurl,sHeight,sWidth,ScrollBarsOn){
	window.open(popurl,"","top=" + 250 + ",left=" + 250 + ",width=" + sWidth + ",height=" + sHeight + ",status=no,resizable=no,toolbars=no,scrollbars=" + ScrollBarsOn  + ",borders=no")
}

function OpenBook(URL){
	var ah, aw, oWin
	ah = window.screen.availHeight
	aw = window.screen.availWidth
	oWin = window.open(URL,"NewWin","width=" + aw + ",height=" + ah + ",top=0, left=0,status=no,resizable=yes,toolbars=no,scrollbars=yes,borders=no");
	oWin.focus();
}

function PreviewExam(URL){
 var oWin
	oWin = window.open(URL,"NewWin","width=800,height=600,status=yes,resizable=yes,toolbars=no,scrollbars=yes,borders=no");
	oWin.focus();
}

function openFAQs(URL){
	window.open(URL,"","width=600,height=450,status=no,resizable=no,toolbars=no,scrollbars=yes,borders=no")
}


function ViewProductDesc(State, ProdPackID, ProdPackID2, ViewMode) {
	
	window.location = "ProductDetails.aspx?showstate=" + State + "&ppid=" + ProdPackID + "&ppid2=" + ProdPackID2 + "&showtype=" + ViewMode;
}


//Begin AutoTab functions
var isNN = (navigator.appName.indexOf("Netscape")!=-1);

function autoTab(input,len, e) {
	var keyCode = (isNN) ? e.which : e.keyCode; 
	var filter = (isNN) ? [0,8,9] : [0,8,9,16,17,18,37,38,39,40,46];
	
	if(input.value.length >= len && !containsElement(filter,keyCode)) {
		input.value = input.value.slice(0, len);
		input.form[(getIndex(input)+1) % input.form.length].focus();
	}

function containsElement(arr, ele) {
	var found = false, index = 0;
	
	while(!found && index < arr.length)
		if(arr[index] == ele)
			found = true;
		else
			index++;
			return found;
}

function getIndex(input) {
	var index = -1, i = 0, found = false;

	while (i < input.form.length && index == -1)
		if (input.form[i] == input)index = i;
		else i++;
		return index;
}

return true;
}
//  End AutoTab functions-->


function fnTrapKD(btnName, event){
 var btn;
 
 btn = document.getElementById(btnName);
 
 if (document.all){

  if (event.keyCode == 13){

   event.returnValue=false;

   event.cancel = true;

   btn.click();

  }

 }

 else if (document.getElementById){

  if (event.which == 13){

   event.returnValue=false;

   event.cancel = true;

   btn.click();

  }

 }

 else if(document.layers){

  if(event.which == 13){

   event.returnValue=false;

   event.cancel = true;

   btn.click();

  }

 }

}