function getPageSize() 
{
	/*
		array[0] = larghezza pagina
		array[1] = altezza pagina
		array[2] = larghezza finestra
		array[3] = altezza finestra		
	*/	
	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;
}




function setBodyBg() //Imposta proprieta dei div sotto al main per dare 2 colori di sfondo al body
{
	var lato_sinistro = $('body_sx');
	var lato_destro = $('body_dx');
	var body = $$('body')[0];
	var main_dimensions = $('main').getDimensions();
	var d_vrapper_dimensions = $('main').getDimensions();
	var height = d_vrapper_dimensions.height + main_dimensions.height + 120;
	if(height < screen.height) height = screen.height+20;
	lato_sinistro.setStyle({
		'position':'absolute',
		'top':'0px',
		'left':'0px',
		'width':((screen.width)/2) - (main_dimensions.width/4)+'px',
		'z-index':'20',
		'background':'url("images/background/pattern.jpg") repeat-x top',
		'height':height + 'px',
		'display':'block'
	});
	lato_destro.setStyle({
		'position':'absolute',
		'top':'0px',
		'right':'0px',
		'z-index':'10',
		'width':((screen.width)/2) - (main_dimensions.width/2)+'px',
		'height':height + 'px',
		'background':'url("images/background/body-home.gif") repeat-x top',
		'display':'block'
	});
//	alert(lato_sinistro.getStyle('left')+' '+lato_sinistro.getStyle('width'));
}

function allFunctions() 
{
	setBodyBg();
	if($('page_loading')) $('page_loading').hide();	
	
}
if (window.attachEvent) window.attachEvent("onload", allFunctions);
else window.onload=allFunctions;

//Event.observe(window,'resize',allFunctions);