como faço para cada Enter cria um paragrafo

oi, eu não sei muito javascript então peguei esse script na net para usar, mais queria fazer para cada Enter cria uma <p></p> e já jogar oq vou digitar dentro, e quando dar Shieft+Ender cria um <br />, ta aqui o script:

 

// Cross-Browser Rich Text Editor// [http://www.kevinroth.com/rte/demo.htm//](http://www.kevinroth.com/rte/demo.htm//) Written by Kevin Roth (kevin@NOSPAMkevinroth.com - remove NOSPAM)//init variablesvar isRichText = false;var rng;var currentRTE;var allRTEs = "";var isIE;var isGecko;var imagesPath;var includesPath;var cssFile;function initRTE(imgPath, incPath, css) {	//check to see if designMode mode is available	if (document.getElementById && document.designMode) isRichText = true; //set browser vars	var ua = navigator.userAgent.toLowerCase();	isIE = ((ua.indexOf("msie") != -1) && (ua.indexOf("opera") == -1) && (ua.indexOf("webtv") == -1)); isGecko = (ua.indexOf("gecko") != -1 && ua.indexOf("safari") == -1); //set paths vars	imagesPath = imgPath;	includesPath = incPath;	cssFile = css; //for testing standard textarea, uncomment the following line	//isRichText = false;}function writeRichText(rte, html, width, height, buttons, readOnly) {	if (isRichText) { if (allRTEs.length > 0) allRTEs += ";"; allRTEs += rte; writeRTE(rte, html, width, height, buttons, readOnly);	} else { writeDefault(rte, html, width, height, buttons, readOnly);	}}function writeDefault(rte, html, width, height, buttons, readOnly) {	if (!readOnly) { document.writeln('<textarea name="' + rte + '" id="' + rte + '" style="width: ' + width + 'px; height: ' + height + 'px;">' + html + '</textarea>');	} else { document.writeln('<textarea name="' + rte + '" id="' + rte + '" style="width: ' + width + 'px; height: ' + height + 'px;" readonly>' + html + '</textarea>');	}}function writeRTE(rte, html, width, height, buttons, readOnly) {	if (readOnly) buttons = false;	if (buttons == true) { document.writeln('<style type="text/css">'); document.writeln('.btnImage {cursor: pointer; cursor: hand;}'); document.writeln('</style>'); document.writeln('<table id="Buttons1_' + rte + '" style="margin:0">');// document.writeln('	<tr>');// document.writeln(' <td>');// document.writeln(' <select id="formatblock_' + rte + '" onchange="Select(\'' + rte + '\', this.id);">');// document.writeln(' <option value="<p>">Normal</option>');// document.writeln(' <option value="<p>">Paragraph</option>');// document.writeln(' <option value="<h1>">Heading 1 <h1></option>');// document.writeln(' <option value="<h2>">Heading 2 <h2></option>');// document.writeln(' <option value="<h3>">Heading 3 <h3></option>');// document.writeln(' <option value="<h4>">Heading 4 <h4></option>');// document.writeln(' <option value="<h5>">Heading 5 <h5></option>');// document.writeln(' <option value="<h6>">Heading 6 <h6></option>');// document.writeln(' <option value="<address>">Address <ADDR></option>');// document.writeln(' <option value="<pre>">Formatted <pre></option>');// document.writeln(' </select>');// document.writeln(' </td>');// document.writeln(' <td>');// document.writeln(' <select id="fontname_' + rte + '" onchange="Select(\'' + rte + '\', this.id)">');// document.writeln(' <option value="Font" selected>Font</option>');// document.writeln(' <option value="Arial, Helvetica, sans-serif">Arial</option>');// document.writeln(' <option value="Courier New, Courier, mono">Courier New</option>');// document.writeln(' <option value="Times New Roman, Times, serif">Times New Roman</option>');// document.writeln(' <option value="Verdana, Arial, Helvetica, sans-serif">Verdana</option>');// document.writeln(' </select>');// document.writeln(' </td>');// document.writeln(' <td>');// document.writeln(' <select unselectable="on" id="fontsize_' + rte + '" onchange="Select(\'' + rte + '\', this.id);">');// document.writeln(' <option value="Size">Size</option>');// document.writeln(' <option value="1">1</option>');// document.writeln(' <option value="2">2</option>');// document.writeln(' <option value="3">3</option>');// document.writeln(' <option value="4">4</option>');// document.writeln(' <option value="5">5</option>');// document.writeln(' <option value="6">6</option>');// document.writeln(' <option value="7">7</option>');// document.writeln(' </select>');// document.writeln(' </td>');// document.writeln('	</tr>'); document.writeln('</table>'); document.writeln('<table id="Buttons2_' + rte + '" cellpadding="1" cellspacing="0" style="margin:0">'); document.writeln('	<tr>'); document.writeln(' <td><img class="btnImage" src="' + imagesPath + 'post_button_bold.gif" width="25" height="24" alt="Bold" title="Bold" onClick="FormatText(\'' + rte + '\', \'bold\', \'\')"></td>'); document.writeln(' <td><img class="btnImage" src="' + imagesPath + 'post_button_italic.gif" width="25" height="24" alt="Italic" title="Italic" onClick="FormatText(\'' + rte + '\', \'italic\', \'\')"></td>'); document.writeln(' <td><img class="btnImage" src="' + imagesPath + 'post_button_underline.gif" width="25" height="24" alt="Underline" title="Underline" onClick="FormatText(\'' + rte + '\', \'underline\', \'\')"></td>'); document.writeln(' <td> </td>'); document.writeln(' <td><img class="btnImage" src="' + imagesPath + 'post_button_left_just.gif" width="25" height="24" alt="Align Left" title="Align Left" onClick="FormatText(\'' + rte + '\', \'justifyleft\', \'\')"></td>'); document.writeln(' <td><img class="btnImage" src="' + imagesPath + 'post_button_centre.gif" width="25" height="24" alt="Center" title="Center" onClick="FormatText(\'' + rte + '\', \'justifycenter\', \'\')"></td>'); document.writeln(' <td><img class="btnImage" src="' + imagesPath + 'post_button_right_just.gif" width="25" height="24" alt="Align Right" title="Align Right" onClick="FormatText(\'' + rte + '\', \'justifyright\', \'\')"></td>'); document.writeln(' <td><img class="btnImage" src="' + imagesPath + 'post_button_justifyfull.gif" width="25" height="24" alt="Justify Full" title="Justify Full" onclick="FormatText(\'' + rte + '\', \'justifyfull\', \'\')"></td>'); document.writeln(' <td> </td>'); document.writeln(' <td><img class="btnImage" src="' + imagesPath + 'post_button_numbered_list.gif" width="25" height="24" alt="Ordered List" title="Ordered List" onClick="FormatText(\'' + rte + '\', \'insertorderedlist\', \'\')"></td>'); document.writeln(' <td><img class="btnImage" src="' + imagesPath + 'post_button_list.gif" width="25" height="24" alt="Unordered List" title="Unordered List" onClick="FormatText(\'' + rte + '\', \'insertunorderedlist\', \'\')"></td>'); document.writeln(' <td> </td>');// document.writeln(' <td><img class="btnImage" src="' + imagesPath + 'post_button_outdent.gif" width="25" height="24" alt="Outdent" title="Outdent" onClick="FormatText(\'' + rte + '\', \'outdent\', \'\')"></td>');// document.writeln(' <td><img class="btnImage" src="' + imagesPath + 'post_button_indent.gif" width="25" height="24" alt="Indent" title="Indent" onClick="FormatText(\'' + rte + '\', \'indent\', \'\')"></td>'); document.writeln(' <td><div id="forecolor_' + rte + '"><img class="btnImage" src="' + imagesPath + 'post_button_textcolor.gif" width="25" height="24" alt="Text Color" title="Text Color" onClick="FormatText(\'' + rte + '\', \'forecolor\', \'\')"></div></td>'); document.writeln(' <td><div id="hilitecolor_' + rte + '"><img class="btnImage" src="' + imagesPath + 'post_button_bgcolor.gif" width="25" height="24" alt="Background Color" title="Background Color" onClick="FormatText(\'' + rte + '\', \'hilitecolor\', \'\')"></div></td>'); document.writeln(' <td> </td>'); document.writeln(' <td><img class="btnImage" src="' + imagesPath + 'post_button_hyperlink.gif" width="25" height="24" alt="Insert Link" title="Insert Link" onClick="FormatText(\'' + rte + '\', \'createlink\')"></td>'); document.writeln(' <td><img class="btnImage" src="' + imagesPath + 'post_button_image.gif" width="25" height="24" alt="Add Image" title="Add Image" onClick="AddImage(\'' + rte + '\')"></td>'); if (isIE) document.writeln(' <td><img class="btnImage" src="' + imagesPath + 'post_button_spellcheck.gif" width="25" height="24" alt="Spell Check" title="Spell Check" onClick="checkspell()"></td>');// document.writeln(' <td> </td>');// document.writeln(' <td><img class="btnImage" src="' + imagesPath + 'post_button_cut.gif" width="25" height="24" alt="Cut" title="Cut" onClick="FormatText(\'' + rte + '\', \'cut\')"></td>');// document.writeln(' <td><img class="btnImage" src="' + imagesPath + 'post_button_copy.gif" width="25" height="24" alt="Copy" title="Copy" onClick="FormatText(\'' + rte + '\', \'copy\')"></td>');// document.writeln(' <td><img class="btnImage" src="' + imagesPath + 'post_button_paste.gif" width="25" height="24" alt="Paste" title="Paste" onClick="FormatText(\'' + rte + '\', \'paste\')"></td>');// document.writeln(' <td> </td>');// document.writeln(' <td><img class="btnImage" src="' + imagesPath + 'post_button_undo.gif" width="25" height="24" alt="Undo" title="Undo" onClick="FormatText(\'' + rte + '\', \'undo\')"></td>');// document.writeln(' <td><img class="btnImage" src="' + imagesPath + 'post_button_redo.gif" width="25" height="24" alt="Redo" title="Redo" onClick="FormatText(\'' + rte + '\', \'redo\')"></td>'); document.writeln('	</tr>'); document.writeln('</table>');	}	document.writeln('<iframe id="' + rte + '" name="' + rte + '" width="' + width + 'px" height="' + height + 'px" style="margin-top:3px"></iframe>');	if (!readOnly) document.writeln('<br /><input type="checkbox" id="chkSrc' + rte + '" onclick="toggleHTMLSrc(\'' + rte + '\');" /> HTML');	document.writeln('<iframe width="254" height="174" id="cp' + rte + '" src="' + includesPath + 'palette.htm" marginwidth="0" marginheight="0" scrolling="no" style="visibility:hidden; display: none; position: absolute;"></iframe>');	document.writeln('<input type="hidden" id="hdn' + rte + '" name="' + rte + '" value="">');	document.getElementById('hdn' + rte).value = html;	enableDesignMode(rte, html, readOnly);}function enableDesignMode(rte, html, readOnly) {	var frameHtml = "<html id=\"" + rte + "\">\n";	frameHtml += "<head>\n";	//to reference your stylesheet, set href property below to your stylesheet path and uncomment	if (cssFile.length > 0) { frameHtml += "<link media=\"all\" type=\"text/css\" href=\"" + cssFile + "\" rel=\"stylesheet\">\n";	}	frameHtml += "<style>\n";	frameHtml += "body {\n";	frameHtml += "	background: #FFFFFF;\n";	frameHtml += "	margin: 0px;\n";	frameHtml += "	padding: 0px;\n";	frameHtml += "}\n";	frameHtml += "</style>\n";	frameHtml += "</head>\n";	frameHtml += "<body>\n";	frameHtml += html + "\n";	frameHtml += "</body>\n";	frameHtml += "</html>"; if (document.all) { var oRTE = frames[rte].document; oRTE.open(); oRTE.write(frameHtml); oRTE.close(); if (!readOnly) oRTE.designMode = "On";	} else { try { if (!readOnly) document.getElementById(rte).contentDocument.designMode = "on"; try { var oRTE = document.getElementById(rte).contentWindow.document; oRTE.open(); oRTE.write(frameHtml); oRTE.close(); //oRTE.addEventListener("blur", updateRTE(rte), true); if (isGecko && !readOnly) { //attach a keyboard handler for gecko browsers to make keyboard shortcuts work oRTE.addEventListener("keypress", kb_handler, true); } } catch (e) { alert("Error preloading content."); } } catch (e) { //gecko may take some time to enable design mode. //Keep looping until able to set. if (isGecko) { setTimeout("enableDesignMode('" + rte + "', '" + html + "');", 10); } else { return false; } }	}}function updateRTEs() {	var vRTEs = allRTEs.split(";");	for (var i = 0; i < vRTEs.length; i++) { updateRTE(vRTEs[i]);	}}function updateRTE(rte) {	//set message value	var oHdnMessage = document.getElementById('hdn' + rte);	var oRTE = document.getElementById(rte);	var readOnly = false; //check for readOnly mode	if (document.all) { if (frames[rte].document.designMode != "On") readOnly = true;	} else { if (document.getElementById(rte).contentDocument.designMode != "on") readOnly = true;	} if (isRichText && !readOnly) { //if viewing source, switch back to design view if (document.getElementById("chkSrc" + rte).checked) { document.getElementById("chkSrc" + rte).checked = false; toggleHTMLSrc(rte); } if (oHdnMessage.value == null) oHdnMessage.value = ""; if (document.all) { oHdnMessage.value = frames[rte].document.body.innerHTML; } else { oHdnMessage.value = oRTE.contentWindow.document.body.innerHTML; } //if there is no content (other than formatting) set value to nothing if (stripHTML(oHdnMessage.value.replace(" ", " ")) == "") oHdnMessage.value = "";	}}function toggleHTMLSrc(rte) {	//contributed by Bob Hutzel (thanks Bob!)	var oRTE;	if (document.all) { oRTE = frames[rte].document;	} else { oRTE = document.getElementById(rte).contentWindow.document;	} if (document.getElementById("chkSrc" + rte).checked) { document.getElementById("Buttons1_" + rte).style.visibility = "hidden"; document.getElementById("Buttons2_" + rte).style.visibility = "hidden"; if (document.all) { oRTE.body.innerText = oRTE.body.innerHTML; } else { var htmlSrc = oRTE.createTextNode(oRTE.body.innerHTML); oRTE.body.innerHTML = ""; oRTE.body.appendChild(htmlSrc); }	} else { document.getElementById("Buttons1_" + rte).style.visibility = "visible"; document.getElementById("Buttons2_" + rte).style.visibility = "visible"; if (document.all) { oRTE.body.innerHTML = oRTE.body.innerText; } else { var htmlSrc = oRTE.body.ownerDocument.createRange(); htmlSrc.selectNodeContents(oRTE.body); oRTE.body.innerHTML = htmlSrc.toString(); }	}}//Function to format text in the text boxfunction FormatText(rte, command, option) {	var oRTE;	if (document.all) { oRTE = frames[rte]; //get current selected range var selection = oRTE.document.selection; if (selection != null) { rng = selection.createRange(); }	} else { oRTE = document.getElementById(rte).contentWindow; //get currently selected range var selection = oRTE.getSelection(); rng = selection.getRangeAt(selection.rangeCount - 1).cloneRange();	} try { if ((command == "forecolor") || (command == "hilitecolor")) { //save current values parent.command = command; currentRTE = rte; //position and show color palette buttonElement = document.getElementById(command + '_' + rte); document.getElementById('cp' + rte).style.left = getOffsetLeft(buttonElement) + "px"; document.getElementById('cp' + rte).style.top = (getOffsetTop(buttonElement) + buttonElement.offsetHeight) + "px"; if (document.getElementById('cp' + rte).style.visibility == "hidden") { document.getElementById('cp' + rte).style.visibility = "visible"; document.getElementById('cp' + rte).style.display = "inline"; } else { document.getElementById('cp' + rte).style.visibility = "hidden"; document.getElementById('cp' + rte).style.display = "none"; } } else if (command == "createlink") { var szURL = prompt("Digite a URL do site:", "http://"); try { //ignore error for blank urls oRTE.document.execCommand("Unlink", false, null); oRTE.document.execCommand("CreateLink", false, szURL); } catch (e) { //do nothing } } else { //oRTE.focus(); oRTE.document.execCommand(command, false, option); //oRTE.focus(); }	} catch (e) { alert(e);	}}//Function to set colorfunction setColor(color) {	var rte = currentRTE;	var oRTE;	if (document.all) { oRTE = frames[rte];	} else { oRTE = document.getElementById(rte).contentWindow;	} var parentCommand = parent.command;	if (document.all) { //retrieve selected range var sel = oRTE.document.selection; if (parentCommand == "hilitecolor") parentCommand = "backcolor"; if (sel != null) { var newRng = sel.createRange(); newRng = rng; newRng.select(); }	} else { //oRTE.focus();	}	oRTE.document.execCommand(parentCommand, false, color);	//oRTE.focus();	document.getElementById('cp' + rte).style.visibility = "hidden";	document.getElementById('cp' + rte).style.display = "none";}//Function to add imagefunction AddImage(rte) {	var oRTE;	if (document.all) { oRTE = frames[rte]; //get current selected range var selection = oRTE.document.selection; if (selection != null) { rng = selection.createRange(); }	} else { oRTE = document.getElementById(rte).contentWindow; //get currently selected range var selection = oRTE.getSelection(); rng = selection.getRangeAt(selection.rangeCount - 1).cloneRange();	} imagePath = prompt('Digite a URL da imagem:', 'http://'); if ((imagePath != null) && (imagePath != "")) { //oRTE.focus(); oRTE.document.execCommand('InsertImage', false, imagePath);	}	//oRTE.focus();}//function to perform spell checkfunction checkspell() {	try { var tmpis = new ActiveXObject("ieSpell.ieSpellExtension"); tmpis.CheckAllLinkedDocuments(document);	}	catch(exception) { if(exception.number==-2146827859) { if (confirm("ieSpell not detected. Click Ok to go to download page.")) window.open("[http://www.iespell.com/download.php","DownLoad");](http://www.iespell.com/download.php) } else { alert("Error Loading ieSpell: Exception " + exception.number); }	}}function getOffsetTop(elm) {	var mOffsetTop = elm.offsetTop;	var mOffsetParent = elm.offsetParent; while(mOffsetParent){ mOffsetTop += mOffsetParent.offsetTop; mOffsetParent = mOffsetParent.offsetParent;	} return mOffsetTop;}function getOffsetLeft(elm) {	var mOffsetLeft = elm.offsetLeft;	var mOffsetParent = elm.offsetParent; while(mOffsetParent) { mOffsetLeft += mOffsetParent.offsetLeft; mOffsetParent = mOffsetParent.offsetParent;	} return mOffsetLeft;}function Select(rte, selectname) {	var oRTE;	if (document.all) { oRTE = frames[rte]; //get current selected range var selection = oRTE.document.selection; if (selection != null) { rng = selection.createRange(); }	} else { oRTE = document.getElementById(rte).contentWindow; //get currently selected range var selection = oRTE.getSelection(); rng = selection.getRangeAt(selection.rangeCount - 1).cloneRange();	} var idx = document.getElementById(selectname).selectedIndex;	// First one is always a label	if (idx != 0) { var selected = document.getElementById(selectname).options[idx].value; var cmd = selectname.replace('_' + rte, ''); oRTE.document.execCommand(cmd, false, selected); document.getElementById(selectname).selectedIndex = 0;	}	//oRTE.focus();}function kb_handler(evt) {	var rte = evt.target.id; //contributed by Anti Veeranna (thanks Anti!)	if (evt.ctrlKey) { var key = String.fromCharCode(evt.charCode).toLowerCase(); var cmd = ''; switch (key) { case 'b': cmd = "bold"; break; case 'i': cmd = "italic"; break; case 'u': cmd = "underline"; break; }; if (cmd) { FormatText(rte, cmd, true); //evt.target.ownerDocument.execCommand(cmd, false, true); // stop the event bubble evt.preventDefault(); evt.stopPropagation(); } }}function docChanged (evt) {	alert('changed');}function stripHTML(oldString) {	var newString = oldString.replace(/(<([^>]+)>)/ig,""); //replace carriage returns and line feeds	newString = escape(newString);	newString = newString.replace("%0D%0A"," ");	newString = newString.replace("%0A"," ");	newString = newString.replace("%0D"," ");	newString = unescape(newString); //trim string	newString = trim(newString); return newString;}function trim(inputString) { // Removes leading and trailing spaces from the passed string. Also removes // consecutive spaces and replaces it with one space. If something besides // a string is passed in (null, custom object, etc.) then return the input. if (typeof inputString != "string") return inputString; var retValue = inputString; var ch = retValue.substring(0, 1); while (ch == " ") { // Check for spaces at the beginning of the string retValue = retValue.substring(1, retValue.length); ch = retValue.substring(0, 1); } ch = retValue.substring(retValue.length-1, retValue.length); while (ch == " ") { // Check for spaces at the end of the string retValue = retValue.substring(0, retValue.length-1); ch = retValue.substring(retValue.length-1, retValue.length); } // Note that there are two spaces in the string - look for multiple spaces within the string while (retValue.indexOf(" ") != -1) { // Again, there are two spaces in each of the strings retValue = retValue.substring(0, retValue.indexOf(" ")) + retValue.substring(retValue.indexOf(" ")+1, retValue.length); } return retValue; // Return the trimmed string back to the user}

obrigado :)