///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////// CHECK/UNCHECK ALL ///////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////


function selectAll(){
temp = document.sisalto.elements.length ;
    for (i=0; i < temp; i++) {
    if(document.sisalto.elements[i].checked == 1)
    	{document.sisalto.elements[i].checked = 0;
    	 document.sisalto.btn.value = "Merkitse kaikki"; }
    else {document.sisalto.elements[i].checked = 1; 
   	 document.sisalto.btn.value = "Poista merkinnät"; }
	}
}




///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////// ANIMATE COLLAPSE/EXPAND ////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
var timerlen = 5;
var slideAniLen = 250;

var timerID = new Array();
var startTime = new Array();
var obj = new Array();
var endHeight = new Array();
var moving = new Array();
var dir = new Array();

function slidedown(objname, height){
        if(moving[objname])
                return;

        if(document.getElementById(objname).style.display != "none")
                return; // cannot slide down something that is already visible

        moving[objname] = true;
        dir[objname] = "down";
        startslide(objname, height);
}

function slideup(objname, height){
        if(moving[objname])
                return;

        if(document.getElementById(objname).style.display == "none")
                return; // cannot slide up something that is already hidden

        moving[objname] = true;
        dir[objname] = "up";
        startslide(objname, height);
}

function startslide(objname, height){
        obj[objname] = document.getElementById(objname);

        endHeight[objname] = height;
        startTime[objname] = (new Date()).getTime();

        if(dir[objname] == "down"){
                obj[objname].style.height = "1px";
        }

        obj[objname].style.display = "block";

        timerID[objname] = setInterval('slidetick(\'' + objname + '\');',timerlen);
}

function slidetick(objname){
        var elapsed = (new Date()).getTime() - startTime[objname];
		if(endHeight[objname] >= 500){ kerroin = "225"; }
		else if(endHeight[objname] >= 400){ kerroin = "200"; }
		else if(endHeight[objname] >= 300){ kerroin = "175"; }
		else if(endHeight[objname] >= 200){ kerroin = "150"; }
		else if(endHeight[objname] >= 100){ kerroin = "125"; }
		else if(endHeight[objname] <= 100){ kerroin = "100"; }

		slideAniLength = slideAniLen * (endHeight[objname]/kerroin);

        if (elapsed > slideAniLength)
                endSlide(objname)
        else {
                var d =Math.round(elapsed / slideAniLength * endHeight[objname]);
                if(dir[objname] == "up")
                        d = endHeight[objname] - d;

                obj[objname].style.height = d + "px";
        }

        return;
}

function endSlide(objname){
        clearInterval(timerID[objname]);

        if(dir[objname] == "up")
                obj[objname].style.display = "none";

        obj[objname].style.height = endHeight[objname] + "px";

        delete(moving[objname]);
        delete(timerID[objname]);
        delete(startTime[objname]);
        delete(endHeight[objname]);
        delete(obj[objname]);
        delete(dir[objname]);

        return;
}

function toggleSlide(objname, height){
  if(document.getElementById(objname).style.display == "none"){
    // div is hidden, so let's slide down
    slidedown(objname, height);
  }else{
    // div is not hidden, so slide up
    slideup(objname, height);
  }
}

///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////// BBCODE /////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

function replaceText(text, textarea)
{
	// Attempt to create a text range (IE).
	if (typeof(textarea.caretPos) != "undefined" && textarea.createTextRange)
	{
		var caretPos = textarea.caretPos;

		caretPos.text = caretPos.text.charAt(caretPos.text.length - 1) == ' ' ? text + ' ' : text;
		caretPos.select();
	}
	// Mozilla text range replace.
	else if (typeof(textarea.selectionStart) != "undefined")
	{
		var begin = textarea.value.substr(0, textarea.selectionStart);
		var end = textarea.value.substr(textarea.selectionEnd);
		var scrollPos = textarea.scrollTop;

		textarea.value = begin + text + end;

		if (textarea.setSelectionRange)
		{
			textarea.focus();
			textarea.setSelectionRange(begin.length + text.length, begin.length + text.length);
		}
		textarea.scrollTop = scrollPos;
	}
	// Just put it on the end.
	else
	{
		textarea.value += text;
		textarea.focus(textarea.value.length - 1);
	}
}

// Surrounds the selected text with text1 and text2.
function surroundText(text1, text2, textarea)
{
	// Can a text range be created?
	if (typeof(textarea.caretPos) != "undefined" && textarea.createTextRange)
	{
		var caretPos = textarea.caretPos;

		caretPos.text = caretPos.text.charAt(caretPos.text.length - 1) == ' ' ? text1 + caretPos.text + text2 + ' ' : text1 + caretPos.text + text2;
		caretPos.select();
	}
	// Mozilla text range wrap.
	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;
	}
	// Just put them on the end, then.
	else
	{
		textarea.value += text1 + text2;
		textarea.focus(textarea.value.length - 1);
	}
}

// Checks if the passed input's value is nothing.
function isEmptyText(theField)
{
	// Copy the value so changes can be made..
	var theValue = theField.value;

	// Strip whitespace off the left side.
	while (theValue.length > 0 && (theValue.charAt(0) == ' ' || theValue.charAt(0) == '\t'))
		theValue = theValue.substring(1, theValue.length);
	// Strip whitespace off the right side.
	while (theValue.length > 0 && (theValue.charAt(theValue.length - 1) == ' ' || theValue.charAt(theValue.length - 1) == '\t'))
		theValue = theValue.substring(0, theValue.length - 1);

	if (theValue == '')
		return true;
	else
		return false;
}

// Only allow form submission ONCE.
function submitonce(theform)
{
	smf_formSubmitted = true;
}
function submitThisOnce(item)
{
	// Hateful, hateful fix for Safari 1.3 beta.
	if (navigator.userAgent.indexOf('AppleWebKit') != -1)
		return !smf_formSubmitted;

	for (var i = 0; i < item.form.length; i++)
		if (typeof(item.form[i]) != "undefined" && item.form[i].tagName.toLowerCase() == "textarea")
			item.form[i].readOnly = true;

	return !smf_formSubmitted;
}

// Set the "inside" HTML of an element.
function setInnerHTML(element, toValue)
{
	// IE has this built in...
	if (typeof(element.innerHTML) != 'undefined')
		element.innerHTML = toValue;
	else
	{
		var range = document.createRange();
		range.selectNodeContents(element);
		range.deleteContents();
		element.appendChild(range.createContextualFragment(toValue));
	}
}

// Set the "outer" HTML of an element.
function setOuterHTML(element, toValue)
{
	if (typeof(element.outerHTML) != 'undefined')
		element.outerHTML = toValue;
	else
	{
		var range = document.createRange();
		range.setStartBefore(element);
		element.parentNode.replaceChild(range.createContextualFragment(toValue), element);
	}
}

// Get the inner HTML of an element.
function getInnerHTML(element)
{
	if (typeof(element.innerHTML) != 'undefined')
		return element.innerHTML;
	else
	{
		var returnStr = '';
		for (var i = 0; i < element.childNodes.length; i++)
			returnStr += getOuterHTML(element.childNodes[i]);

		return returnStr;
	}
}

function getOuterHTML(node)
{
	if (typeof(node.outerHTML) != 'undefined')
		return node.outerHTML;

	var str = '';

	switch (node.nodeType)
	{
		// An element.
		case 1:
			str += '<' + node.nodeName;

			for (var i = 0; i < node.attributes.length; i++)
			{
				if (node.attributes[i].nodeValue != null)
					str += ' ' + node.attributes[i].nodeName + '="' + node.attributes[i].nodeValue + '"';
			}

			if (node.childNodes.length == 0 && in_array(node.nodeName.toLowerCase(), ['hr', 'input', 'img', 'link', 'meta', 'br']))
				str += ' />';
			else
				str += '>' + getInnerHTML(node) + '</' + node.nodeName + '>';
			break;

		// 2 is an attribute.

		// Just some text..
		case 3:
			str += node.nodeValue;
			break;

		// A CDATA section.
		case 4:
			str += '<![CDATA' + '[' + node.nodeValue + ']' + ']>';
			break;

		// Entity reference..
		case 5:
			str += '&' + node.nodeName + ';';
			break;

		// 6 is an actual entity, 7 is a PI.

		// Comment.
		case 8:
			str += '<!--' + node.nodeValue + '-->';
			break;
	}

	return str;
}

// Checks for variable in theArray.
function in_array(variable, theArray)
{
	for (var i = 0; i < theArray.length; i++)
	{
		if (theArray[i] == variable)
			return true;
	}
	return false;
}

// Find a specific radio button in its group and select it.
function selectRadioByName(radioGroup, name)
{
	for (var i = 0; i < radioGroup.length; i++)
	{
		if (radioGroup[i].value == name)
			return radioGroup[i].checked = true;
	}

	return false;
}

// Invert all checkboxes at once by clicking a single checkbox.
function invertAll(headerfield, checkform, mask)
{
	for (var i = 0; i < checkform.length; i++)
	{
		if (typeof(mask) != "undefined" && checkform[i].name.substr(0, mask.length) != mask)
			continue;

		if (!checkform[i].disabled)
			checkform[i].checked = headerfield.checked;
	}
}

function bbc_highlight(something, mode)
{
	something.style.backgroundImage = "url(" +  (mode ? "../iconit/edit/bbc_hoverbg.gif)" : "../iconit/edit/bbc_bg.gif)");
}