// JavaScript Document
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
function 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 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;
}

function 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=findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function swapImage() { //v3.0
  var i,j=0,x,a=MM_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 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];}
}


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 taLimit() {
	var taObj=event.srcElement;
	if (taObj.value.length==taObj.maxLength*1) return false;
}

function taCount(visCnt) { 
	var taObj=event.srcElement;
	if (taObj.value.length>taObj.maxLength*1) taObj.value=taObj.value.substring(0,taObj.maxLength*1);
	if (visCnt) visCnt.innerText=taObj.maxLength-taObj.value.length;
}


function MM_checkBrowser(NSvers,NSpass,NSnoPass,IEvers,IEpass,IEnoPass,OBpass,URL,altURL) { //v5.0
  var newURL='', userAgent=navigator.userAgent, version=0;
  if (userAgent.indexOf('Netscape') != -1) {
  	version = parseFloat(userAgent.substring(userAgent.indexOf('Netscape')+9,userAgent.length));
    if (version >= NSvers) {if (NSpass>0) newURL=(NSpass==1)?URL:altURL;}
    else {if (NSnoPass>0) newURL=(NSnoPass==1)?URL:altURL;}
  } else if (userAgent.indexOf('MSIE') != -1) {
  	version = parseFloat(userAgent.substring(userAgent.indexOf('MSIE')+4,userAgent.length));
    if (version >= IEvers)
     {if (IEpass>0) newURL=(IEpass==1)?URL:altURL;}
    else {if (IEnoPass>0) newURL=(IEnoPass==1)?URL:altURL;}
  } else if (OBpass>0) newURL=(OBpass==1)?URL:altURL;
  if (newURL) { window.location=unescape(newURL); document.MM_returnValue=false; }
}

function MM_changeProp(objName,x,theProp,theValue) { //v6.0
  var obj = MM_findObj(objName);
  if (obj && (theProp.indexOf("style.")==-1 || obj.style)){
    if (theValue == true || theValue == false)
      eval("obj."+theProp+"="+theValue);
    else eval("obj."+theProp+"='"+theValue+"'");
  }
}

function ValidateCreditCard(val)
{
  var cardNumber=
document.getElementById(val.controltovalidate).value;
  var cardType=val.cardtype;
  var isValid = false;
  var ccCheckRegExp = /[^\d ]/;
  isValid = !ccCheckRegExp.test(cardNumber);

  if (isValid)
  {
    var cardNumbersOnly = cardNumber.replace(/ /g,"");
    var cardNumberLength = cardNumbersOnly.length;
    var lengthIsValid = false;
    var prefixIsValid = false;
    var prefixRegExp;

    switch(cardType)
    {
      case "MASTERCARD":
        lengthIsValid = (cardNumberLength == 16);
        prefixRegExp = /^5[1-5]/;
        break;

      case "VISA":
        lengthIsValid = (cardNumberLength == 16 
	|| cardNumberLength == 13);
        prefixRegExp = /^4/;
        break;

      case "AMERICANEXPRESS":
        lengthIsValid = (cardNumberLength == 15);
        prefixRegExp = /^3(4|7)/;
        break;

      default:
        prefixRegExp = /^$/;
        alert("Card type not found");
    }

    prefixIsValid = prefixRegExp.test(cardNumbersOnly);
    isValid = prefixIsValid && lengthIsValid;
  }

  if (isValid)
  {
    var numberProduct;
    var numberProductDigitIndex;
    var checkSumTotal = 0;

    for (digitCounter = cardNumberLength - 1; 
      digitCounter >= 0; 
      digitCounter--)
    {
      checkSumTotal += parseInt 
	(cardNumbersOnly.charAt(digitCounter));
      digitCounter--;
      numberProduct = 
String((cardNumbersOnly.charAt(digitCounter) * 2));
      for (var productDigitCounter = 0;
        productDigitCounter < numberProduct.length; 
        productDigitCounter++)
      {
        checkSumTotal += 
          parseInt(numberProduct.charAt(productDigitCounter));
      }
    }

    isValid = (checkSumTotal % 10 == 0);
  }

  return isValid;
}

function globalInit() 
{
		if  (document.cookie) 
		{
			//location.href = "/html/help-access.html";
		}
		else
		{
		location.href = "/html/help-access.html";
		}
}


function fadeIn(obj) {

    obj.style.filter="blendTrans(duration=0.5)";
	// Make sure filter is not playing.
	if ((obj.visibility != "visible") && (obj.filters.blendTrans.status != 2)) {
      obj.filters.blendTrans.Apply();
      obj.style.visibility="visible";
	  obj.filters.blendTrans.Play();
	}
}


//fade in functions

function opacity(id, opacStart, opacEnd, millisec) {
	//speed for each frame
	var speed = Math.round(millisec / 100);
	var timer = 0;

	//determine the direction for the blending, if start and end are the same nothing happens
	if(opacStart > opacEnd) {
		for(i = opacStart; i >= opacEnd; i--) {
			setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
			timer++;
		}
	} else if(opacStart < opacEnd) {
		for(i = opacStart; i <= opacEnd; i++)
			{
			setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
			timer++;
		}
	}
}

//change the opacity for different browsers
function changeOpac(opacity, id) {
	var object = document.getElementById(id).style; 
	object.opacity = (opacity / 100);
	object.MozOpacity = (opacity / 100);
	object.KhtmlOpacity = (opacity / 100);
	object.filter = "alpha(opacity=" + opacity + ")";
}

function shiftOpacity(id, millisec) {
	//if an element is invisible, make it visible, else make it ivisible
	if(document.getElementById(id).style.opacity == 0) {
		opacity(id, 0, 100, millisec);
	} else {
		opacity(id, 100, 0, millisec);
	}
}

function blendimage(divid, imageid, imagefile, millisec) {
	var speed = Math.round(millisec / 100);
	var timer = 0;
	
	//set the current image as background
	document.getElementById(divid).style.backgroundImage = "url(" + document.getElementById(imageid).src + ")";
	
	//make image transparent
	changeOpac(0, imageid);
	
	//make new image
	document.getElementById(imageid).src = imagefile;

	//fade in image
	for(i = 0; i <= 100; i++) {
		setTimeout("changeOpac(" + i + ",'" + imageid + "')",(timer * speed));
		timer++;
	}
}

function currentOpac(id, opacEnd, millisec) {
	//standard opacity is 100
	var currentOpac = 100;
	
	//if the element has an opacity set, get it
	if(document.getElementById(id).style.opacity < 100) {
		currentOpac = document.getElementById(id).style.opacity * 100;
	}

	//call for the function that changes the opacity
	opacity(id, currentOpac, opacEnd, millisec)
}
