[Mx] come elimino i numeri dopo la virgola...

[andr3a]

var createNumber:Function = function( str:String, float:Number ):Number {
	var nstr:Array = str.split( '.' );
	if( nstr[1] != undefined ) {
		nstr[1] = nstr[1].substr( 0, float );
	}
	return Number( nstr.join( '.' ) );
}

trace( createNumber( "1.154578855", 3 ) ); // 1.154