function showDiv(div,opt){
	if (div!=null){
		var obj = document.getElementById(div);
		if (obj!=null){
			var divname = "#"+div;
			if(opt==''){
				var divname = "#"+div;
				if (obj.style.display=="none"){
					$(divname).toggleFade({ speedIn : 150, speedOut : 150 });
					//obj.style.display="block";
				}
				else {
					$(divname).toggleFade({ speedIn : 800, speedOut : 800 });
					//obj.style.display="none";
				}
			}
			else {
				if (obj.style.display!=opt){	
					$(divname).toggleFade({ speedIn : 800, speedOut : 800 });
				}
			}
		}
	}
}
function changeCss(obj){
	if (obj.className!='souris'){
		trClassName = obj.className;
		obj.className = 'souris';
	}
	else obj.className = trClassName;
}