var errornombre = 'Escribe tu nombre o nick.';
	var erroremail = 'El email que has escrito no es válido.';
	var erroremail1 = 'Es necesario que escribas tu email.';
	var errormessage = 'Y... ¿Que opinas?';

var arr_control = new Array();arr_control["iframe"] = "******";arr_control["<"] = "*";	
	function check_message (message, arr_control) {
		var message_clean = message;
		for ( var word in arr_control ) {
			regExp = new RegExp(word.toString(), "ig");
			message_clean = message_clean.replace(regExp, arr_control[word].toString());
			if (word.toString() == "<") {
				regExp2 = new RegExp("\\[-o\\*", "g");
				message_clean = message_clean.replace(regExp2, "[-o<");
			}
		}
		return message_clean;
	}

	function check_post() {
		document.getElementById('post').subject.value=check_message(document.getElementById('post').subject.value, arr_control);
		document.getElementById('post').message.value=check_message(document.getElementById('post').message.value, arr_control);		
		return true;
	}
	

var imageTag = false;
var theSelection = false;
var clientPC = navigator.userAgent.toLowerCase();
var clientVer = parseInt(navigator.appVersion);
var is_ie = ((clientPC.indexOf("msie") != -1) && (clientPC.indexOf("opera") == -1));
var is_nav  = ((clientPC.indexOf('mozilla')!=-1) && (clientPC.indexOf('spoofer')==-1)
                && (clientPC.indexOf('compatible') == -1) && (clientPC.indexOf('opera')==-1)
                && (clientPC.indexOf('webtv')==-1) && (clientPC.indexOf('hotjava')==-1));

var is_win   = ((clientPC.indexOf("win")!=-1) || (clientPC.indexOf("16bit") != -1));
var is_mac    = (clientPC.indexOf("mac")!=-1);





function checkForm() {
re=/^(^[0-9a-zA-Z]+(?:[._][0-9a-zA-Z]+)*)@([0-9a-zA-Z]+(?:[._-][0-9a-zA-Z]+)*\.[0-9a-zA-Z]{2,3})$/
	formErrors = false;

	if (document.getElementById('post').message.value.length < 10) {
		formErrors = errormessage;
	}
	
	if (!re.exec(document.getElementById('post').email.value)){
	 formErrors = erroremail;
    }
	
	if (document.getElementById('post').email.value.length < 1) {
		formErrors = erroremail1;
	}
	
	if (document.getElementById('post').nombre.value.length < 2) {
		formErrors = errornombre;
	}

	if (formErrors) {
		alert(formErrors);
		return false;
	} else {
		$("#yaenviar").fadeIn("slow");
		document.getElementById('formulario').style.display="none";
		bbstyle(-1);
		//formObj.preview.disabled = true;
		//formObj.submit.disabled = true;
		return true;
	
	}
}

function emoticon(text) {
	
	text = text.replace(/&amp;lt;/gi,'<');
	text = text.replace(/&amp;gt;/gi,'>');
	
	text = ' ' + text + ' ';
	if (document.getElementById('post').message.createTextRange && document.getElementById('post').message.caretPos) {
		var caretPos = document.getElementById('post').message.caretPos;
		caretPos.text = caretPos.text.charAt(caretPos.text.length - 1) == ' ' ? text + ' ' : text;
		document.getElementById('post').message.focus();
	} else {
	document.getElementById('post').message.value  += text;
	document.getElementById('post').message.focus();
	}
}

function bbfontstyle(bbopen, bbclose) {
	if ((clientVer >= 4) && is_ie && is_win) {
		theSelection = document.selection.createRange().text;
		if (!theSelection) {
			document.getElementById('post').message.value += bbopen + bbclose;
			document.getElementById('post').message.focus();
			return;
		}
		document.selection.createRange().text = bbopen + theSelection + bbclose;
		document.getElementById('post').message.focus();
		return;
	} else {
		document.getElementById('post').message.value += bbopen + bbclose;
		document.getElementById('post').message.focus();
		return;
	}
	storeCaret(document.getElementById('post').message);
}


function bbstyle(bbnumber) {

	donotinsert = false;
	theSelection = false;
	bblast = 0;

	if (bbnumber == -1) { // Close all open tags & default button names
		while (bbcode[0]) {
			butnumber = arraypop(bbcode) - 1;
			document.getElementById('post').message.value += bbtags[butnumber + 1];
			buttext = eval('document.getElementById("post").addbbcode' + butnumber + '.value');
			eval('document.getElementById("post").addbbcode' + butnumber + '.value ="' + buttext.substr(0,(buttext.length - 1)) + '"');
		}
		imageTag = false; // All tags are closed including image tags :D
		document.getElementById('post').message.focus();
		return;
	}

	if ((clientVer >= 4) && is_ie && is_win)
		theSelection = document.selection.createRange().text; // Get text selection

	if (theSelection) {
		// Add tags around selection
		document.selection.createRange().text = bbtags[bbnumber] + theSelection + bbtags[bbnumber+1];
		document.getElementById('post').message.focus();
		theSelection = '';
		return;
	}

	// Find last occurance of an open tag the same as the one just clicked
	for (i = 0; i < bbcode.length; i++) {
		if (bbcode[i] == bbnumber+1) {
			bblast = i;
			donotinsert = true;
		}
	}

	if (donotinsert) {		// Close all open tags up to the one just clicked & default button names
		while (bbcode[bblast]) {
				butnumber = arraypop(bbcode) - 1;
				document.getElementById('post').message.value += bbtags[butnumber + 1];
				buttext = eval('document.getElementById("post").addbbcode' + butnumber + '.value');
				eval('document.getElementById("post").addbbcode' + butnumber + '.value ="' + buttext.substr(0,(buttext.length - 1)) + '"');
				imageTag = false;
			}
			document.getElementById('post').message.focus();
			return;
	} else { // Open tags

		if (imageTag && (bbnumber != 14)) {		// Close image tag before adding another
			document.getElementById('post').message.value += bbtags[15];
			lastValue = arraypop(bbcode) - 1;	// Remove the close image tag from the list
			document.getElementById('post').addbbcode14.value = "Img";	// Return button back to normal state
			imageTag = false;
		}

		// Open tag
		document.getElementById('post').message.value += bbtags[bbnumber];
		if ((bbnumber == 14) && (imageTag == false)) imageTag = 1; // Check to stop additional tags after an unclosed image tag
		arraypush(bbcode,bbnumber+1);
		eval('document.getElementById("post").addbbcode'+bbnumber+'.value += "*"');
		document.getElementById('post').message.focus();
		return;
	}
	storeCaret(document.getElementById('post').message);
}

// Insert at Claret position. Code from
// http://www.faqts.com/knowledge_base/view.phtml/aid/1052/fid/130
function storeCaret(textEl) {
	if (textEl.createTextRange) textEl.caretPos = document.selection.createRange().duplicate();
}