// ====================================================================================================
//                                             FONCTIONS
// ====================================================================================================


function navigateur() {
	var strChUserAgent = navigator.userAgent;
	var intSplitStart = strChUserAgent.indexOf("(", 0);
	var intSplitEnd = strChUserAgent.indexOf(")", 0);
	var strChStart = strChUserAgent.substring(0, intSplitStart);
	var strChMid = strChUserAgent.substring(intSplitStart, intSplitEnd);
	var strChEnd = strChUserAgent.substring(intSplitEnd);
	
	if(strChMid.indexOf("MSIE 7") != -1)
		return "IE7";
	else if(strChMid.indexOf("MSIE 6") != -1)
		return "IE6";
	else if(strChEnd.indexOf("Firefox/2") != -1)
		return "Firefox2";
	else if(strChEnd.indexOf("Firefox") != -1)
		return "Firefox";
	else if(strChEnd.indexOf("Netscape/7") != -1)
		return "NS7";
	else if(strChEnd.indexOf("Netscape") != -1)
		return "NS";
	else if(strChStart.indexOf("Opera/9") != -1)
		return "Opera9";
	else if(strChStart.indexOf("Opera") != -1)
		return "Opera";
	else if(strChEnd.indexOf("Safari") != -1)
		return "Safari";
	else
		return "Autre";
	
}

function correctPNG() {
	if (navigateur() == "IE6") {
		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
			}
		}
	}
}