var curr_doc = fl.getDocumentDOM();

for(i=0 ; i<curr_doc.selection.length ; i++ ) {
	curr_doc.selection[i].x = Math.round(curr_doc.selection[i].x);
	curr_doc.selection[i].y = Math.round(curr_doc.selection[i].y);
	
}

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This code is pretty simple but massively useful. You can select any number of elements on the stage in Flash, then run this JSFL Command and it will round their x and y values to the nearest whole number. It's very handy when you want things to be on the whole pixel to prevent blurring or other wierdness.

JSFL: Round the x and y values of any selected objects

flash

JavaScript