function insertBB (code1, code2, code3, code4) {

	

	var isMozilla = (navigator.userAgent.toLowerCase().indexOf('gecko')!=-1) ? true : false;

	

	var isIE = (navigator.userAgent.toLowerCase().indexOf('MSIE')!=-1) ? true : false;

	

	this.code1 = code1;

	this.code2 = code2;

	this.code3 = code3;

	this.code4 = code4;

	

	if (! isMozilla) {

		

		var str = document.selection.createRange().text;



		if (str.length > 0) {

			var sel = document.selection.createRange();

			

			if ((code2 != '') && (code4 == '2')) {

				var text = prompt("", "");

				

				if ((text == '') || (text == null)) {

					exit;

				}

				

				sel.text = code1 + text + code2 + str + code3;

				sel.collapse();

				sel.select();

			}

			else {

				if (code4 == 0) {

					sel.text = code1;

					sel.collapse();

					sel.select();

					window.close();

				}

				else {

					sel.text = code1 + str + code3;

					sel.collapse();

					sel.select();

				}

			}

		}

		else {

			

			message.focus(message.caretPos);

			message.focus(message.value.length);

			message.caretPos = document.selection.createRange().duplicate();

			

			var bidon = "%~%";

			var orig = message.value;

			

			if ((code2 != '') && (code4 == '2')) {

				var text = prompt("", "");

				

				if ((text == '') || (text == null)) {

					exit;

				}

				

				var text1 = prompt("", "");

				

				if ((text1 == '') || (text1 == null)) {

					exit;

				}

				

				message.caretPos.text = bidon;

				var i = message.value.search(bidon);

				

				message.value = orig.substr(0,i) + code1 + text + code2 + text1 + code3 + orig.substr(i, message.value.length);

			}

			else {

				if (code4 == '1') {

					var text1 = prompt("", "");

				

					if ((text1 == '') || (text1 == null)) {

						exit;

					}

					

					message.caretPos.text = bidon;

					var i = message.value.search(bidon);

					

					message.value = orig.substr(0,i) + code1 + text1 + code3 + orig.substr(i, message.value.length);

				}

				else {

				

					message.caretPos.text = bidon;

					var i = message.value.search(bidon);

				

					if (code4 == 0) {

						message.value = orig.substr(0,i) + code1 + orig.substr(i, message.value.length);

						window.close();

					}

					else {

						message.value = orig.substr(0,i) + code1 + code3 + orig.substr(i, message.value.length);

					}

				}

			}

			

			message.focus();

		}

	}

	else {

		

		// the text before the selection

  	var pretext = message.value.substring(0, message.selectionStart);

	      

	  // the selected text with tags before and after

	  var codetext = message.value.substring(message.selectionStart, message.selectionEnd);



  	// the text after the selection

  	var posttext = message.value.substring(message.selectionEnd, message.value.length);

		

		if (! codetext) {		

			if ((code2 != '') && (code4 == '2')) {

				var text = prompt("", "");

				

				if ((text == '') || (text == null)) {

					exit;

				}

				

				var text1 = prompt("", "");

				

				if ((text1 == '') || (text1 == null)) {

					exit;

				}

				

				message.value = pretext + code1 + text + code2 + text1 + code3 + codetext + posttext;

			}

			else {

				if (code4 == '1') {

					var text1 = prompt("", "");

				

					if ((text1 == '') || (text1 == null)) {

						exit;

					}

					

					message.value = pretext + code1 + text1 + code3 + codetext + posttext;

				}

				else {

					if (code4 == 0) {

						message.value = pretext + code1 + codetext + posttext;

						window.close();

					}

					else {

						message.value = pretext + code1 + code3 + codetext + posttext;

					}

				}

			}

		}

		else {

			if ((code2 != '') && (code4 == '2')) {

				var text = prompt("", "");

				

				if ((text == '') || (text == null)) {

					exit;

				}

				

				message.value = pretext + code1 + text + code2 + codetext + code3 + posttext;

				

			}

			else {

				if (code4 == 0) {

					message.value = pretext + code1 + posttext;

					window.close();

				}

				else {

					message.value = pretext + code1 + codetext + code3 + posttext;

				}

			}

		}

			message.focus();

	}

}