function calc_line(name,wert){
	if(isNaN(document.forms["main_order"].elements[name].value) && document.forms["main_order"].elements[name].value != ''){
		alert('Bitte geben Sie eine gueltige Zahl ein !');
		document.forms["main_order"].elements[name].value = '';
	}else{
		if(document.forms["main_order"].elements[name].value.substr(0,1) == 0 && document.forms["main_order"].elements[name].value.substr(1,1) != ''){
			document.forms["main_order"].elements[name].value = document.forms["main_order"].elements[name].value.substr(1,1);
		}
		//alert(document.forms["main_order"].elements[name].value.substr(1,1));
		gp_all = new Array("Zitronengelb","Safranorange","Apfelbeerenrosa","Cochenillerot","Blattgruen","Karamellbraun","Azurblau");
		preis_all = new Array("24,95","44,95","79,95","189,95","366,95");
		var gp_add_name;
		var gp_calc_tmp = 0;
		var gp_summe_calc = 0;
		var gp_summe_muster = 0;
		var i;
		var u;
		var gp_summe = 0;
		var name_split = name.split("_");
		var gp_name = name_split[0]+"_"+name_split[2];
		var gp_temp = name_split[1].replace(/,/,".");
		var gp_calc = new Number(gp_temp);
		var vk_calc;
		var su_dis;
		var gp_value = gp_calc*wert;
		

		
		document.forms["main_order"].elements["vk_main"].value = '0,00';
		
		document.forms["main_order"].elements[gp_name].value = Get2(gp_value).replace(/\./,",");
		if(document.forms["main_order"].elements[gp_name].value == 0 || document.forms["main_order"].elements[gp_name].value == ''){
			document.forms["main_order"].elements[gp_name].value = '0,00';
		}
		for(i=0;i<7;i++){

				for(u=0;u<5;u++){
					gp_add_name = gp_all[i]+"_"+u;
					input_add_name = gp_all[i]+"_"+preis_all[u]+"_"+u;
					
					if(document.forms["main_order"].elements[gp_add_name].value != '0,00'){
						gp_calc_tmp = parseFloat(document.forms["main_order"].elements[gp_add_name].value.replace(/,/,"."));
				 		gp_summe = parseFloat(gp_summe) + parseFloat(gp_calc_tmp);
				 	}
				 	if(document.forms["main_order"].elements[input_add_name].value == ''){
				 		document.forms["main_order"].elements[gp_add_name].value = '0,00';
				 		document.forms["main_order"].elements[input_add_name].value = 0;
			 		}
			 	}
		 	
		}
		
		if(gp_summe != 0){
			gp_summe_calc = Get2(gp_summe);
		}
		if(document.forms["main_order"].elements["Muster_0"].value != '0,00'){
				gp_calc_tmp = parseFloat(document.forms["main_order"].elements["Muster_0"].value.replace(/,/,"."));
		 		gp_summe_muster = parseFloat(gp_summe_muster) + gp_calc_tmp;
		 }
		gp_summe_muster_calc = Get2(parseFloat(gp_summe_muster));
		if(parseFloat(gp_summe_calc) > 50){
			document.forms["main_order"].elements["vk_main"].value = '0,00';
		}
		if(parseFloat(gp_summe_calc) < 50 && gp_summe != 0){
			document.forms["main_order"].elements["vk_main"].value = '4,50';
		}
		
				
		vk_calc = parseFloat(document.forms["main_order"].elements["vk_main"].value.replace(/,/,"."));
		if(document.forms["main_order"].elements["Muster_0"].value != '0,00' && parseFloat(gp_summe_calc) > 0){
			gp_summe_calc = parseFloat(gp_summe_calc) + parseFloat(gp_summe_muster_calc);
		}
		if(document.forms["main_order"].elements["Muster_0"].value != '0,00' && parseFloat(gp_summe_calc) == 0){
			gp_summe_calc = parseFloat(gp_summe_muster_calc);
			//alert(gp_summe_calc);
		}		

		su_dis = Get2(parseFloat(gp_summe_calc) + vk_calc);
		document.forms["main_order"].elements["su_main"].value = Get2(parseFloat(gp_summe_calc) + vk_calc).replace(/\./,",");
		document.forms["main_order"].elements["mwst_main"].value = Get2(parseFloat(gp_summe_calc)/119*19).replace(/\./,",");
	}
}
/*Zahlen mit 2 Stellen hinter dem komma ausgeben
*  ------------------------------------------------------------------
*/
function Get2(zzz){
  var erg="";   
  var sss;
  var ks;   // Kommastelle
  if( zzz==0 || isNaN(zzz) ){return erg;}

  if(zzz > 0){
    zzz=runden2(zzz);
    sss=String(zzz);
    //sss=sss.replace(/\./,",");        // Punkt gegen Komma tauschen
    ks= sss.indexOf(".");
   
    if(ks<0){erg=sss+".00";}
    else{
      if(2==(sss.length - ks)){erg=sss+"0";}
      else{erg=sss;}
    }
  }
  else{return zzz;} // wenn negativ
  return erg;
}
/*Zahl runden
*  ------------------------------------------------------------------
*/
function runden2(aaa){
  return Math.round(aaa*100)/100;
}
function cleaner(name){
		document.forms["main_order"].elements[name].value = '';
}