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

// Used to set the height of all listed products the same.
function ProductHeight() {
    if (document.getElementsByClassName('product-list-item')) {
        var li = document.getElementsByClassName('product-list-item');
        var maxHeight = 0;

        for (var i = 0; i < li.length; i++) {
            var liHeight = li[i].getHeight();

            if (liHeight > maxHeight) {
                maxHeight = liHeight;
            }
        }

        for (var i = 0; i < li.length; i++) {
            li[i].style.height = maxHeight + "px";
        }
    }
}

// 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 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 ($('Newsletter')) {
        var newsBTN = $$('input.signupButton');
        var newsField = $$('input.signupField');

        newsBTN[0].value = "Submit";
        newsField[0].value = "enter email";
    }

}

//Function to set column height
function setColumnHeight() {
    var contentHeight = 0;
    
    if ($('Column1')) {
        contentHeight = $('Column1').getHeight();
    }

    if ($('Column2')) {
        contentHeight = $('Column2').getHeight() > contentHeight ? $('Column2').getHeight() : contentHeight;
    }

    if ($('Column3')) {
        contentHeight = $('Column3').getHeight() > contentHeight ? $('Column3').getHeight() : contentHeight;
    }


    if ($('Column1')) {
        var column1 = $('Column1');
        column1.style.height = contentHeight + "px";
    }

    if ($('Column2')) {
        var column2 = $('Column2');
        column2.style.height = contentHeight + "px";
    }

    if ($('Column3')) {
        var column3 = $('Column3');
        column3.style.height = contentHeight + "px";
    }
}