function correct_png_images() // correctly handle PNG transparency in Win IE 5.5 or higher.
{
	if(navigator.appName=="Microsoft Internet Explorer" && /MSIE (5\.5|6)/.test(navigator.userAgent))
	{
	   for(var i=0; i<document.images.length; i++)//on parcours toutes les images de la page
	  {
		   var img = document.images[i];
		   var imgName = img.src.toUpperCase();
		   
		   if (imgName.substring(imgName.length-3, imgName.length) == "PNG" )// si l'image est un 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 correct_png_background() <!-- Balise background -->
{
	if(navigator.appName=="Microsoft Internet Explorer" && /MSIE (5\.5|6)/.test(navigator.userAgent))
	{
		var images_list = document.getElementsByTagName( '*' );
				
		for ( var i = 0 ; i < images_list.length; i++ )
		{				
			var image_name = images_list[ i ].currentStyle.backgroundImage.replace( /url[s]*()+/, '' );
			image_name     = image_name.replace( /(")+/g, '' );
			image_name     = image_name.substr( 1, image_name.length - 1 );
			image_name     = image_name.substr( 0, image_name.length - 1 );
						
			if ( image_name.substring( image_name.length - 3, image_name.length ) == 'png' )
			{
				images_list[ i ].runtimeStyle.backgroundImage = "url( '' )";
				images_list[ i ].runtimeStyle.filter          = "progid:DXImageTransform.Microsoft.AlphaImageLoader( src='" + image_name + "', sizingMethod='scale' )";
			}
		}
	}		
	return true;
}

function correct_png()
{
	correct_png_images();
	correct_png_background();
}