/* BROWSER CHECK FUNCTIONS */
function Browser() {
  var ua, s, i;

  this.isIE    = false;  // Internet Explorer
  this.isNS    = false;  // Netscape
  this.isMac   = false;  // Macintosh
	this.isSafari = false;	// Safari
	this.isSafari10 = false;
  this.version = null;
	this.versionMinor = null;
	
  ua = navigator.userAgent;
 	
	s = "Safari";
	if ((i = ua.indexOf(s)) >= 0) {
    this.isSafari = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

	s = "MSIE";
	if ((i = ua.indexOf(s)) >= 0) {
    this.isIE = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  s = "Netscape6/";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }
  
  s = "Macintosh";
  if ((i=ua.indexOf(s)) >= 0){
  	this.isMac = true;
	  return;
  }
  
  // Treat any other "Gecko" browser as NS 6.1.
  s = "Gecko";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = 6.1;
    return;
  }

}

var browser = new Browser();

function correctPNG() 
 /* Purpose: Correctly handle PNG transparency in Win IE 5.5 or higher.
 ** Modification History: 
 ** 2005.07.13/LRR - Added "name" attribute to span tag for cross-browser compatibility.
 ** 2005.07.19/LRR - Changed quotes around title tag to double quotes to allow for single quotes in the alt text.
 */
	{
		if (browser.isIE&&browser.version>=5.5) {
		 for(var i=0; i<document.images.length; i++) {
				var img = document.images[i];
				var imgName = img.src.toUpperCase();
				if (imgName.substring(imgName.length-3, imgName.length) == "PNG") {
					 var imgID = (img.id) ? "id='" + img.id + "' name='" + img.id + "' " : "";
					 var imgClass = (img.className) ? "class='" + img.className + "' " : "";
					 var imgTitle = (img.title) ? "title=\"" + img.title + "\" " : "title=\"" + img.alt + "\" ";
					 var imgStyle = "display:inline-block" + img.style.cssText ;
					 //var imgSizingMethod 
					 if (img.align == "left") imgStyle = "float:left;" + imgStyle;
					 if (img.align == "right") imgStyle = "float:right;" + imgStyle;
					 if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle;	
					 var strNewHTML = "<span " + imgID + imgClass + imgTitle
					 + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
						 + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
					 + "(src=\'" + img.src + "\', sizingMethod='image');\"></span>" ;
					 //alert(strNewHTML);
					 img.outerHTML = strNewHTML;
					 i = i-1;
				 }
			 }
		 }
   }
	 
/* Image-swap Functions */
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_swapImgRestore() { //v3.0
	/* Modification History: 
	** 2005.07.13/LRR - Modified to accommodate use of filters to handle png files in IE 
	*/
	var tmp = document.MM_sr[0];
		var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&(x.oSrc||x.oFilter);i++) { 
			if (x.oSrc) {
				x.src=x.oSrc;
			} else {
				if (x.oFilter) {
					x.style.filter=x.oFilter;
				}
			}
		}
}

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
	/* Modification History: 
	** 2005.07.13/LRR - Modified to accommodate use of filters to handle png files in IE 
	*/
	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.src) {
				x.oSrc=x.src; 
				x.src=a[i+2];
			} else {
				x.oFilter = x.style.filter;
				x.style.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'" + a[i+2] + "\')";
			}
		}
	}
}

/* SHOW RANDOM ELEMENT FUNCTIONS */
function GetRandomNumber(n) {
    // Return a random number between 0 and n
		return Math.round(Math.random()*n);	
}

function PickOne() {
	// Randomly select and return one of the incoming arguments
	if (PickOne.arguments.length > 0) {
		return arguments[GetRandomNumber(PickOne.arguments.length-1)];
	} else {
			return -1;
	}
}

function ShowElement(elemID) {
	var elem = document.getElementById(elemID);
	elem.style.display = "block";
}

function HideElement(elemID) {
	var elem = document.getElementById(elemID);
	elem.style.display = "none";
}

function SwapDiv(divPrefix, showNumber, ofCount) {
	/* Note that this function is 1-based, not 0 */
	var i;
	for(i=1;i<=ofCount;i++) {
		if (i==showNumber) {
			ShowElement(divPrefix + i);
		} else {
			HideElement(divPrefix + i);
		}
	}
}

/* MISC. FUNCTIONS */
function DoNothing() {
		//Do Nothing - used for empty target anchors
}

function clearTextBox(objTxtBox) {
	 if (objTxtBox.value == objTxtBox.defaultValue)
 {
         objTxtBox.value = "";
     }

}

function getPageOffsetLeft(el) {

  var x;

  // Return the x coordinate of an element relative to the page.

  x = el.offsetLeft;
  if (el.offsetParent != null)
    x += getPageOffsetLeft(el.offsetParent);

  return x;
}

function getPageOffsetTop(el) {

  var y;

  // Return the y coordinate of an element relative to the page.

  y = el.offsetTop;
  
  if (el.offsetParent != null)
  
    y += getPageOffsetTop(el.offsetParent);

  return y;
}

function alignElement(a, b) {
	//* Get the top/left coordinates from item a and apply them to item b */
	var elmA = MM_findObj(a);
	var elmB = MM_findObj(b);
	var x=getPageOffsetLeft(a);
  var y=getPageOffsetTop(a); 
	b.style.left = x + "px";
	b.style.top = y + "px";
}
	
function GetOtherSiteSelection(frm, elem) {
	var sel = eval("document." + frm + "." + elem); 
	ShowPage(sel.options[sel.selectedIndex].value, '');
}
function MM_SubmitOptInForm()
{
 
 if (document.frmOptIn.txtEmail.value == 'Enter e-mail address') 
  document.frmOptIn.txtEmail.value ="";
  
 document.frmOptIn.submit(); 
 
}

function OpenNewWindow()
{
	var OtherSites = document.getElementById('selOtherSites');
	var str = OtherSites.options[OtherSites.selectedIndex].value;
	if(str.indexOf("redr.aspx?siteid=")!= -1)
	{
		location = OtherSites.options[OtherSites.selectedIndex].value;
	}
	else
	{
		javascript:window.open(OtherSites.options[OtherSites.selectedIndex].value);
	}
}