function detecta_flash(){
// Globals
// Major version of Flash required
var requiredMajorVersion = 8;
// Minor version of Flash required
var requiredMinorVersion = 0;
// Minor version of Flash required
var requiredRevision = 0;

var hasReqestedVersion = DetectFlashVer(requiredMajorVersion, requiredMinorVersion, requiredRevision);
// Check to see if the version meets the requirements for playback
	if (hasReqestedVersion) {
        	document.getElementById('columna_flash').style.display='block';
        	document.getElementById('columna_sinflash').style.display='none';
	}
	else{
		document.getElementById('columna_sinflash').style.display='block';
		document.getElementById('columna_flash').style.display='none';
	}
}