/*********************************************************************************
**	file:	actsum.js
**
**		aktualisiert die Summe des Bestellforms
**
**********************************************************************************
	**	author:		Elmar Weixlbaumer
	**	date:		25-10-2002
	** 	Version: 	1.0
	**	Copyright 	(C) 2002  Elmar Weixlbaumer
	**
	********************************************************************************/
	
  function actSum() {
	var stk = new Array();
	var pr = new Array(0,0,0,0,0);
	var sum = new Array(0,0,0,0,0);
	var sum_str = new Array("","","","","");
	var gesamt = 0, gesamt_str = "";
	
	stk[0] = document.getElementsByName("stk1")[0].value;
	pr[0] = document.getElementsByName("preis1")[0].value;	
	stk[1] = document.getElementsByName("stk2")[0].value;
	pr[1] = document.getElementsByName("preis2")[0].value;	
	stk[2] = document.getElementsByName("stk3")[0].value;
	pr[2] = document.getElementsByName("preis3")[0].value;	
	for(i=0; i<=2; i++) {
		stk[i] = stk[i].replace(",",".");
		pr[i] = pr[i].replace(",",".");
		sum[i] = parseFloat(stk[i]) * parseFloat(pr[i]);
		sum_str[i] = String(sum[i].toFixed(2));
		sum_str[i] = sum_str[i].replace(".", ",");
		if(! isNaN(sum[i])) gesamt += sum[i];
	}
	if(! isNaN(sum[0])) document.getElementsByName("gesamtpreis1")[0].value = sum_str[0];	
	if(! isNaN(sum[1]))	document.getElementsByName("gesamtpreis2")[0].value = sum_str[1];	
	if(! isNaN(sum[2]))	document.getElementsByName("gesamtpreis3")[0].value = sum_str[2];	
	gesamt_str = String(gesamt.toFixed(2));
	gesamt_str = gesamt_str.replace(".", ",");
	document.getElementsByName("gesamtsumme")[0].value = gesamt_str;	
  }