if (!document.getElementsByClassName)document.getElementsByClassName=function (nomClasse){
	var objBodys  = document.getElementsByTagName("body");
	var objBody=objBodys[0];
	return getObjByClassName(objBody,nomClasse);
}

function getObjByClassName(objRef,nomClass){
	var childs,child;
	var tabObj;
	
	if (!objRef)return new Array();
	else{
		tabObj=new Array();
		childs=objRef.childNodes;
		
		for (var i=0;i<childs.length;i++){
			child=childs[i];
			if (child.childNodes)tabObj.merge(getObjByClassName(child,nomClass));
			if (getAttributeByObj(child,"class")==nomClass)tabObj.push(child);
		}
		return tabObj;
	}
}
function getAttributeByObj(obj,nomAttr){
	if (!obj)return null;
	else{
		var attrs=obj.attributes;
		if (attrs){
			for (var i=0;i<attrs.length;i++){
				if (attrs[i] && attrs[i].nodeName==nomAttr)return attrs[i].nodeValue;
			}
		}
	}
}




function corrigePNGAvecIE6() { 
	var imgs=document.getElementsByTagName("IMG");
	var png = /\.png$/i;
	var imgs = document.getElementsByTagName('img');
	for(var i = 0, l = imgs.length; i < l; i++) {
		if(png.test(imgs.item(i).src)) {
			imgs.item(i).style.width = imgs.item(i).getStyle("width");
			imgs.item(i).style.height = imgs.item(i).getStyle("height");
			imgs.item(i).style.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + imgs.item(i).src + '\',sizingMethod=\'image\')';
			imgs.item(i).src = '/config_v3/imgs_defaut/empty.gif';
		}
	}
}