function show_img(width,height,s_url){
	var nwin=window.open(s_url,"swin","scrollbars=1,toolbar=0,location=0,directoties=0,status=0,menubar=0,width="+width+",height="+height);
}

function show_img_noscrl(width,height,s_url){
	var nwin=window.open(s_url,"swin","scrollbars=0,toolbar=0,location=0,directoties=0,status=0,menubar=0,width="+width+",height="+height);
}