function addtext(txt) {
				var el = document.f1.editortext;
				if (el.setSelectionRange) {
					el.value = el.value.substring(0,el.selectionStart) + txt.substring(0,txt.indexOf("]")+1) + el.value.substring(el.selectionStart,el.selectionEnd) + txt.substring(txt.indexOf("]")+1) + el.value.substring(el.selectionEnd,el.value.length)
				}
				else {
					 var selectedText = document.selection.createRange().text; 
						if (selectedText != "") { 
							var newText = txt.substring(0,txt.indexOf("]")+1) + selectedText + txt.substring(txt.indexOf("]")+1); 
							document.selection.createRange().text = newText; 
						}
					}
				}
		function addimagem(txt) {
				var el = document.f1.editortext;
				if (el.setSelectionRange) {
				var reply = prompt("Por favor, insira a url completa", el.value.substring(el.selectionStart,el.selectionEnd));
					el.value = el.value.substring(0,el.selectionStart) + txt.substring(0,txt.indexOf("]")+1) + reply + txt.substring(txt.indexOf("]")+1) + el.value.substring(el.selectionEnd,el.value.length)
				}
				else {
					 var selectedText = document.selection.createRange().text; 
						if (selectedText != "") { 
							var reply = prompt("Por favor, insira a url completa", selectedText);
							var newText = txt.substring(0,txt.indexOf("]")+1) + reply + txt.substring(txt.indexOf("]")+1); 
							document.selection.createRange().text = newText; 
						}
					}
		}

		function addlink() {

				var el = document.f1.editortext;
				if (el.setSelectionRange) {
				var reply = prompt("Por favor, insira a url completa", el.value.substring(el.selectionStart,el.selectionEnd));
				var reply2 = prompt("Por favor, insira o título deste item","" );	
					el.value = el.value.substring(0,el.selectionStart) + "[url=" + reply + "]" + reply2 + "[/url]" + el.value.substring(el.selectionEnd,el.value.length)
				}
				else {
					 var selectedText = document.selection.createRange().text; 
						if (selectedText != "") { 
							var reply = prompt("Por favor, insira a url completa", selectedText);
							var reply2 = prompt("Por favor, insira o título deste item","" );	
							var newText = "[url=" + reply + "]" + reply2 + "[/url]"; 
							document.selection.createRange().text = newText; 
						}
					}
		}