//Used to copy main navigation to botoom nav     
function copyNav() {
	if($('Navigation') && $('Bottom-Nav')) {
		$('Bottom-Nav').innerHTML = $('Navigation').innerHTML;
	}
}


// correctly handle PNG transparency in Win IE 5.5 & 6.
function correctPNG()
{
   var arVersion = navigator.appVersion.split("MSIE")
   var version = parseFloat(arVersion[1])
   if ((version >= 5.5) && (document.body.filters)) 
   {
      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 + "' " : ""
            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 
            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='scale');\"></span>" 
            img.outerHTML = strNewHTML
            i = i-1
         }
      }
   }    
}
//window.attachEvent("onload", correctPNG);

//Function to change main image on page load
function LoadImage()
{
    var div = $('Home-Main-Image');
    var randomnumber = Math.floor(Math.random()*13)
    div.style.backgroundImage = "url('SiteFiles/500026/Images/HomePageImages/ALR_HomeImage_" + randomnumber + ".jpg')";
}


//Function to remove "Search" text from site search button
function removeSearch() {
    if ($('Site-Search')) {
        var searchBTN = $$('input.searchButton');
        var searchField = $$('input.searchField');

        searchBTN[0].value = "";
        searchField[0].value = "search site";
    }

}

//Function to remove "Sign Up" text from newsletter sign up button
function removeSignUp() {
    if ($$('div.signupPanel')) {
        var newsBTN = $$('input.signupButton');
        var newsField = $$('input.signupField');

        //newsBTN[0].value = "Sign Up";
        newsField[0].value = "enter email";
    }

}