/*
 
Correctly handle PNG transparency in Win IE 5.5 & 6.
http://homepage.ntlworld.com/bobosola. Updated 18-Jan-2006.

Use in <HEAD> with DEFER keyword wrapped in conditional comments:
<!--[if lt IE 7]>
<script defer type="text/javascript" src="pngfix.js"></script>
<![endif]-->

*/

function pngmenu(idrub){
	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 
			 var imgAttribs = img.attributes;
			 for (var j=0; j<imgAttribs.length; j++)
			 {
				var imgAttrib = imgAttribs[j];
				if (imgAttrib.nodeName == "align")
				{		  
				   if (imgAttrib.nodeValue == "left") imgStyle = "float:left;" + imgStyle
				   if (imgAttrib.nodeValue == "right") imgStyle = "float:right;" + imgStyle
				   break
				}
			 }
			 if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle
			 var strNewHTML = "<span " + imgID + imgClass + imgTitle
			 strNewHTML += " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
			 strNewHTML += "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
			 strNewHTML += "(src='" + img.src + "', sizingMethod='crop');\""
			 strNewHTML += "></span>" 
			 img.outerHTML = strNewHTML
			 i = i-1
		  }
	   }
	}
	closemenu(idrub);
}
function closemenu(id){
	document.getElementById('accueil').style.display='none';
	document.getElementById('lepiano').style.display='none';
	document.getElementById('artistes').style.display='none';
	document.getElementById('saison2008').style.display='none';
	document.getElementById(id).style.display='inline';
}
function openmenu(){
	document.getElementById('accueil').style.display='inline';
	document.getElementById('lepiano').style.display='inline';
	document.getElementById('artistes').style.display='inline';
	document.getElementById('saison2008').style.display='inline';
}