function toggleSearchInfo(atag,id){
	var img = atag.getElementsByTagName('img')[0];
	var fld = document.getElementById('result_desc_'+id);
	if(fld.style.display=="none" || fld.style.display==""){
		img.src="/common/img/btn_close.png";
		fld.style.display="block";
	}else{
		img.src="/common/img/btn_info.png";
		fld.style.display="none";
	}
}