// simpleBilling.jsx    
   
var MWST = 16/100;   
if (app.selection[0].parent.constructor.name == "Cell"){    
	var myTable = app.selection[0].parent.parent;    
	var myLastCol = myTable.columns.length-1;    
	var myLastRow = myTable.rows.length-1;    
	var myStunden = myTable.columns.item(3).contents; 
	var myNetto = myTable.columns.item(4).contents; 
	var mySum = 0;    
	var myPrice = 0; 
	for (k = 0; k < myLastRow-2; k++) {    
 
		 myPrice = (((myTable.columns.item(3).cells[k].contents))*((myTable.columns.item(4).cells[k].contents))); 
 
		 myTable.columns.item(3).cells[k].contents = digitFormatter(myTable.columns.item(3).cells[k].contents); 
		 myTable.columns.item(4).cells[k].contents = digitFormatter(myTable.columns.item(4).cells[k].contents); 
 
		 myTable.columns[myLastCol].cells[k].contents  = digitFormatter(myPrice) + " EUR";    
		 mySum += (myTable.columns[myLastCol].cells[k].contents.replace(",",  "."))*1   ; 
 
	}    
	 
	myTable.columns[myLastCol].cells[myLastRow-2].contents  = digitFormatter(mySum) + " EUR";    
	myTable.columns[myLastCol].cells[myLastRow-1].contents  = digitFormatter(mySum*MWST) + " EUR";    
	myTable.columns[myLastCol].cells[myLastRow].contents  = digitFormatter(mySum*MWST + mySum) + " EUR";    
}   
 
  
function digitFormatter(x) {   
	// Quelle: http://www.dcljs.de/faq/antwort.php?Antwort=rechnen_runden#6   
	var k = (Math.round(x * 100) / 100).toString();   
	k += (k.indexOf('.') == -1)? '.00' : '00';   
	var p = k.indexOf('.');   
	return k.substring(0, p) + ',' + k.substring(p+1, p+3);   
}