function correctPNG() // correctly handle PNG transparency in Win IE 5.5 & 6.
{
	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
			}
		}
	}
}

function showHide(divId)
{
	var div = document.getElementById(divId);
	if (div) 
	{
		if (div.style.display == "none")
		{
			div.style.display = "block";
		}
		else
		{
			div.style.display = "none";
		}
	}
}

function elementChangeCss(elementId, newCssStyle) 		
{
	document.getElementById(elementId).className = newCssStyle;
}

function elementMouseOver(elementId, cssClass)
{
	if (document.getElementById(elementId))
	{
		document.getElementById(elementId).className = cssClass;
	}
}

function imageMouseOver(imageId, imageSrc)
{
	if (document.getElementById(imageId))
	{
		document.getElementById(imageId).src = imageSrc;
	}
}

function openModalWindow(url, width, height)
{
	var screenHeight = screen.height;
	var screenWidth = screen.width;
	if (screenWidth < 1050)
	{
		height = 500;
	}
	link = url+'keepThis=true&tb_iframe=true&width='+width+'&height='+height;
	self.parent.tb_show('', link, 'group');
}

function openNewModalWindow(url, width, height)
{
	var screenHeight = screen.height;
	var screenWidth = screen.width;
	if (screenWidth < 1050)
	{
		height = 500;
	}
	link = url+'keepThis=true&tb_iframe=true&width='+width+'&height='+height;
	self.parent.tb_open_new(link);
}