tell application "Adobe InDesign CS3" 
	set ms to selection 
	set aTable to parent of item 1 of ms 
	if class of aTable ? table then 
		set aTable to parent of aTable 
		if class of aTable ? table then 
			display dialog "no table selected" 
			return 
		end if 
	end if 
	 
	set nC to count columns in aTable 
	set tWidth to 0.0 
	repeat with n from 1 to nC 
		set aWidth to (width of (column n of aTable)) 
		set tWidth to tWidth + aWidth 
	end repeat 
	 
	set myDialog to make dialog with properties {name:"Set Width of Table"} 
	tell myDialog 
		make dialog column 
		tell the result 
			set tNuWidth to make measurement editbox with properties {edit value:(tWidth * 2.83465), edit units:millimeters} 
		end tell 
	end tell 
	set nu to show myDialog 
	if nu is true then 
		set nuWidth to (edit value of tNuWidth) * 0.35278 
		set scaleClm to nuWidth / tWidth 
		repeat with n from 1 to nC 
			set aWidth to (width of (column n of aTable)) 
			set width of column n of aTable to (scaleClm * aWidth) 
		end repeat 
	else 
		destroy myDialog 
		return 
	end if 
end tell 

bGoOn = true; 
aTable = app.selection[0]; 
if (aTable.constructor.name != "Table") { 
	aTable = aTable.parent; 
	if (aTable.constructor.name != "Table") { 
		aTable = aTable.parent; 
		if (aTable.constructor.name != "Table") { 
				alert("Es muss ein Text in einer Zelle markiert sein"); 
				bGoOn = false; 
		} 
	} 
} 
if (bGoOn) { 
	nc = aTable.columns.length; 
	tWidth = 0.0; 
	for (n=0; n < nc; n++) { 
		tWidth += aTable.columns[n].width; 
	} 
	var myDialog = app.dialogs.add({name:"Tabellenbreite"}); 
	with(myDialog.dialogColumns.add()){ 
		var nuWidthField = measurementEditboxes.add({editValue:(2.83465 * tWidth), editUnits:MeasurementUnits.millimeters, smallNudge:0.5}); 
	} 
	var myResult = myDialog.show(); 
	if(myResult == true){ 
		var nuWidth = nuWidthField.editValue * 0.35278;	 
		myDialog.destroy(); 
		scaleClm = nuWidth / tWidth; 
		for (n=0; n < nc; n++) { 
			aTable.columns[n].width = scaleClm * aTable.columns[n].width; 
		}		  
	} 
	else{ 
		myDialog.destroy(); 
	} 
} 

bGoOn = true; 
aTable = app.selection[0]; 
if (aTable.constructor.name != "Table") { 
	aTable = aTable.parent; 
	if (aTable.constructor.name != "Table") { 
		aTable = aTable.parent; 
		if (aTable.constructor.name != "Table") { 
				alert("Es muss ein Text in einer Zelle markiert sein"); 
				bGoOn = false; 
		} 
	} 
} 
if (bGoOn) { 
	nc = aTable.columns.length; 
	tWidth = 0.0; 
	for (n=0; n < nc; n++) { 
		tWidth += aTable.columns[n].width; 
	} 
	// die Tabelle befindet sich in einem Textrahmen 
	if (aTable.parent.constructor.name == "TextFrame") { 
		tfBounds = aTable.parent.geometricBounds; 
		// vorgeschlagener Wert für die Gesamtbreite der Tabelle = Breite des Textrahmens 
		myValue = tfBounds[3] - tfBounds[1]; 
	} 
	else { 
		// vorgeschlagener Wert für die Gesamtbreite der Tabelle = aktuelle Tabellenbreite 
		myValue = tWidth; 
	} 
	var myDialog = app.dialogs.add({name:"Tabellenbreite"}); 
	with(myDialog.dialogColumns.add()){ 
		var nuWidthField = measurementEditboxes.add({editValue:(2.83465 * myValue), editUnits:MeasurementUnits.millimeters, smallNudge:0.5}); 
	} 
 
	var myResult = myDialog.show(); 
	if(myResult == true){ 
		var nuWidth = nuWidthField.editValue * 0.35278;	 
		myDialog.destroy(); 
		scaleClm = nuWidth / tWidth; 
		for (n=0; n < nc; n++) { 
			aTable.columns[n].width = scaleClm * aTable.columns[n].width; 
		}		  
	} 
	else{ 
		myDialog.destroy(); 
	} 
}