// Powered and Copyrighted (c) 2009 Florent BONIN @ http://www.fgbonin.com

//AJAX
function ajax() {
var xmlhttp;
	if (window.XMLHttpRequest)  {  // code for IE7+, Firefox, Chrome, Opera, Safari
 		xmlhttp=new XMLHttpRequest();  
 	}
	else if (window.ActiveXdocument.getElementByIdect)  {  // code for IE6, IE5
		xmlhttp=new ActiveXdocument.getElementByIdect("Microsoft.XMLHTTP");  
	}
	else { alert("Your browser is a dinosaur and can't load this page properly. Go download Mozilla's Firefox... Now."); }
}


//GENERAL FORMS
function clearValue(el) {
  if (el.defaultValue==el.value) el.value = '';
}

function refillValue(el) {
	if (el.value=='') el.value = el.defaultValue;
}

function selectAllText(el) {
	if (el.value!==el.defaultValue) el.select();
}


//LOGIN FORM
function formAppear(){
document.getElementById("loginform").innerHTML = "I need to put a form in here";
}


//TOGGLE MENU
function toggle(obj) {
	var el = $(obj);
	el.style.display = (el.style.display != 'none' ? 'none' : '' );
}


//EQUAL COLUMN HEIGHT
addLoadListener(equalHeight);

function equalHeight() {

var myLeftColumn = document.getElementById("left_column");
var myRightColumn = document.getElementById("middle_column");

var myLeftHeight = myLeftColumn.offsetHeight;
var myRightHeight = myRightColumn.offsetHeight;

var myLeftBorderTopPixels = retrieveComputedStyle(myLeftColumn, "borderTopWidth");
var myLeftBorderBottomPixels = retrieveComputedStyle(myLeftColumn, "borderBottomWidth");
var myLeftPaddingTopPixels = retrieveComputedStyle(myLeftColumn, "paddingTop");
var myLeftPaddingBottomPixels = retrieveComputedStyle(myLeftColumn, "paddingBottom");

var myRightBorderTopPixels = retrieveComputedStyle(myRightColumn, "borderTopWidth");
var myRightBorderBottomPixels = retrieveComputedStyle(myRightColumn, "borderBottomWidth");
var myRightPaddingTopPixels = retrieveComputedStyle(myRightColumn, "paddingTop");
var myRightPaddingBottomPixels = retrieveComputedStyle(myRightColumn, "paddingBottom");

var myLeftBorderNumber = Number(myLeftBorderTopPixels.replace("px", "")) + Number(myLeftBorderBottomPixels.replace("px", ""));
var myLeftPaddingNumber = Number(myLeftPaddingTopPixels.replace("px", "")) + Number(myLeftPaddingBottomPixels.replace("px", ""));
var myLeftExtras = myLeftBorderNumber + myLeftPaddingNumber;

var myRightBorderNumber = Number(myRightBorderTopPixels.replace("px", "")) + Number(myRightBorderBottomPixels.replace("px", ""));
var myRightPaddingNumber = Number(myRightPaddingTopPixels.replace("px", "")) + Number(myRightPaddingBottomPixels.replace("px", ""));
var myRightExtras = myRightBorderNumber + myRightPaddingNumber;

	if (myLeftHeight > myRightHeight) {
		myRightColumn.style.height = (myLeftHeight - myRightExtras) + "px";
	}
	
	else {
		myLeftColumn.style.height = (myRightHeight - myLeftExtras) + "px";
	}
	
}

function retrieveComputedStyle(element, styleProperty)
{
		var computedStyle = null;
		
		if (typeof element.currentStyle != "undefined")
		{
			computedStyle = element.currentStyle;
		}
		else
		{
			computedStyle = document.defaultView.getComputedStyle(element, null);
		}
		return computedStyle[styleProperty];
}

function addLoadListener(fn)
{
	if (typeof window.addEventListener != 'undefined')
	{
	window.addEventListener('load', fn, false);
}
else if (typeof document.addEventListener != 'undefined')
{
	document.addEventListener('load', fn, false);
}
else if (typeof window.attachEvent != 'undefined')
{
	window.attachEvent('onload', fn);
}
else
{
	var oldfn = window.onload;
	if (typeof window.onload != 'function')
	{
	window.onload = fn;
	}
	else
	{
	window.onload = function()
	{
	oldfn();
	fn();
	};
	}
	}
}