Split Funktion für eine Textarea

function listesplit()
{	
	if (document.kartei.liste.checked == true)
 {
		var inhalt = document.kartei.antwort_1_text.value + "\n";  
		var splitted = inhalt.split("\n");	  
		document.kartei.antwort_1_text.value = "";  
		for(var u=0; u< (splitted.length - 1); u++)
		{
			if (splitted[u] != ""){  
				document.kartei.antwort_1_text.value = document.kartei.antwort_1_text.value + (u+1) + ". " + splitted[u] + "\n";  
				}
		}
	}
	else
	{
		var pos;
		var inhalt = document.kartei.antwort_1_text.value + "\n";  
		var splitted = inhalt.split("\n");  
		document.kartei.antwort_1_text.value = "";  
		for(var u=0; u< (splitted.length - 1); u++)
		{
			if (splitted[u] != ""){  
				pos = splitted[u].indexOf(".");  
				document.kartei.antwort_1_text.value = document.kartei.antwort_1_text.value + splitted[u].substring((pos+2), splitted[u].length) + "\n";  
				}
		}
	}
}