function chImage(name,nsrc)	{//by style:bruch
	if(document.images && document.images[name]){a=document.images[name];if(!a.sro) a.sro=a.src;a.src=nsrc;}
}

function reImage(name) {//by style:bruch
	if(document.images && document.images[name]){a=document.images[name];if (a.sro)a.src=a.sro;}
}