var altText = "";
for(i=fw.selection.length-1;i>=0;i--){
	for(j=0;j<fw.selection[i].textRuns.textRuns.length;j++){
		altText += fw.selection[i].textRuns.textRuns[j].characters;
	}
}
altText = altText.replace(/[\r\n|\n|\r]/g,"");
prompt("you can copy this text.",altText);