// JavaScript Document
var loginboxclicked;
var init = false;

function showLoginBox() {
	if (!init)  {
		initLoginBox();
	} else {
		showLoginBoxContinue();
	}
}

function showLoginBoxContinue() {
	Element.show('blendwrapper');
	new Effect.Opacity('blackscreen', {duration:0.5, from:0.0, to:0.6 });
	new Effect.Opacity('loginwrapper', {duration:0.4, from:0.0, to:1.0 });
	return false;
}

function hideLoginBox() {
	if (loginboxclicked == Date()) { return false; }
	new Effect.Opacity('blackscreen', {duration:0.3, from:0.6, to:0.0 });
	new Effect.Opacity('loginwrapper', {duration:0.5, from:1.0, to:0.0, afterFinish:function(){ Element.hide('blendwrapper'); } });
	return false;
}

function LoginBoxClick() {
	loginboxclicked = new Date();
	if (!e) var e = window.event;
	if (e.stopPropagation) e.stopPropagation();	
	e.cancelBubble = true;
}

function initLoginBox() {
	arrayPageSize = getPageSize();
	Element.setOpacity('blackscreen', 0.0);
	Element.setOpacity('loginwrapper', 0.0);
	Element.setOpacity('blendwrapper', 1.0);
	document.getElementById('blackscreen').style.width = '100%';
	document.getElementById('blackscreen').style.height = arrayPageSize[1]+'px';
	document.getElementById('blendwrapper').style.width = '100%';
	document.getElementById('blendwrapper').style.height = arrayPageSize[1]+'px';
	init = true;
	showLoginBoxContinue();
}

function getPageSize(){
	
	var xScroll, yScroll;
	
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	
	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}


	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}