Reakce na odpověď

function js_encloseText(text1,text2,textarea)
{if(typeof(textarea.caretPos)!="undefined"&&textarea.createTextRange)
{var caretPos=textarea.caretPos,temp_length=caretPos.text.length;caretPos.text=caretPos.text.charAt(caretPos.text.length-1)==' '?text1+caretPos.text+text2+' ':text1+caretPos.text+text2;if(temp_length==0)
{caretPos.moveStart("character",-text2.length);caretPos.moveEnd("character",-text2.length);caretPos.select();}
else
textarea.focus(caretPos);}
else if(typeof(textarea.selectionStart)!="undefined")
{var begin=textarea.value.substr(0,textarea.selectionStart);var selection=textarea.value.substr(textarea.selectionStart,textarea.selectionEnd-textarea.selectionStart);var end=textarea.value.substr(textarea.selectionEnd);var newCursorPos=textarea.selectionStart;var scrollPos=textarea.scrollTop;textarea.value=begin+text1+selection+text2+end;if(textarea.setSelectionRange)
{if(selection.length==0)
textarea.setSelectionRange(newCursorPos+text1.length,newCursorPos+text1.length);else
textarea.setSelectionRange(newCursorPos,newCursorPos+text1.length+selection.length+text2.length);textarea.focus();}
textarea.scrollTop=scrollPos;}
else
{textarea.value+=text1+text2;textarea.focus(textarea.value.length-1);}}

Príklad:
js_encloseText("{URL}","{/URL}", document.getElementById("popis"));

Javascriptové vložení tagu?