function cria_flash( url, width, height, obj ) {
	var str = '';
	str += '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0" width="'+ width +'" height="'+ height +'" VIEWASTEXT>';
	str += '  <param name="movie" value="'+ url +'">';
	str += '  <param name="quality" value="high">';
	str += '  <embed src="'+ url +'" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="'+ width +'" height="'+ height +'"></embed>';
	str += '</object>';
	
	obj = document.getElementById(obj);
	
	if(obj) {
		obj.innerHTML = str;
	}
	else {
		document.write(str);
	}
}