function bbcinsert(f,d){var g=document.forms.gbuch.elements.feld_4;g.focus();if(typeof document.selection!="undefined"){var c=document.selection.createRange();var h=c.text;c.text=f+h+d;c=document.selection.createRange();if(h.length==0){c.move("character",-d.length)}else{c.moveStart("character",f.length+h.length+d.length)}c.select()}else{if(typeof g.selectionStart!="undefined"){var a=g.selectionStart;var b=g.selectionEnd;var h=g.value.substring(a,b);g.value=g.value.substr(0,a)+f+h+d+g.value.substr(b);var e;if(h.length==0){e=a+f.length}else{e=a+f.length+h.length+d.length}g.selectionStart=e;g.selectionEnd=e}else{var e;var i=new RegExp("^[0-9]{0,3}$");while(!i.test(e)){e=prompt("Einfügen an Position (0.."+g.value.length+"):","0")}if(e>g.value.length){e=g.value.length}var h=prompt("Bitte geben Sie den zu formatierenden Text ein:");g.value=g.value.substr(0,e)+f+h+d+g.value.substr(e)}}};