function zoom(picture, pic_width, pic_height){
	if((pic_width == 0) || (pic_height == 0)){
		window.open("../pict_zoom.php?picture="+picture, "new", "resizable=yes, statusbar=yes, scrollbars=yes, height=60,width=600");
	}else{
		pic_height=pic_height+60;
		pic_width=pic_width+15;
		window.open("../pict_zoom.php?picture="+picture, "new", "resizable=no, status=yes, height="+pic_height+",width="+pic_width);
	}
}