function ChangeOpacity(element,opacity) { 
	if(opacity >= 100) { document.getElementById('' + element + '').style.opacity = '1.00'; 
	document.getElementById('' + element + '').style.filter = 'alpha(opacity=100)'; }
	else { document.getElementById('' + element + '').style.opacity = '0.' + opacity + ''; }
	document.getElementById('' + element + '').style.filter = 'alpha(opacity=' + opacity + ')'; 
}

function ChangeDisplay(id,show) { if (show == 1) { document.getElementById(id).style.display = 'block'; } else { document.getElementById(id).style.display = 'none'; } }

function LoadBackground(bild) { 
	document.getElementById('Headpicture').style.background = 'url(' + bild + ')';
}

var backgroundNow = 1;
function ChangeBackgroundWay(bild, amount) {
	if (bild == 1) { 
		if(backgroundNow == 1) { backgroundNow = amount; }
		else { backgroundNow = backgroundNow - 1; }
	}
	else if(bild == 0) {
		backgroundNow = backgroundNow;
	}
	else { 
		if(backgroundNow == amount) { backgroundNow = 1; }
		else { backgroundNow = backgroundNow + 1; } 
	}

	//conntentinner är bilden som synns, BgchangeDiv är den fadear ifrån
	document.getElementById('BgChangeDiv').style.background = document.getElementById('Headpicture').style.background;
	document.getElementById('Headpicture').style.background = 'url(' + document.getElementById('BG_' + backgroundNow + '').src + ')';
	ChangeOpacity('BgChangeDiv', 100);
	FadeBg();
	
	document.getElementById('AjaxLoader').style.display = 'none';
}

var opacityNr = 100;
function FadeBg() {
	if (opacityNr <= 5) { 
		ChangeOpacity('BgChangeDiv', 0);
		document.getElementById('BgChangeDiv').style.background = '';
		ChangeOpacity('BgChangeDiv', 100);
		opacityNr = 100;
	}
	else { 
		opacityNr = opacityNr - 10;
		ChangeOpacity('BgChangeDiv', opacityNr);
		setTimeout(FadeBg, 40);
	}
}