function langhover(iobj){
	var newsrc = '';
	if (iobj.src.indexOf('-a')>0) {
		newsrc = iobj.src.replace('-a','');
		iobj.src = newsrc;
	} else {
		var parts = new Array();
		parts = iobj.src.split('.');
		for (i=0;i<parts.length;i++){
			if (i==0) newsrc += parts[i];
			else if (i<parts.length-1) newsrc += '.'+parts[i];
			else  newsrc += '-a.' + parts[i];
		}
		iobj.src = newsrc;
	}
}