function changeSize(hodnota)
{
	document.body.style.fontSize = hodnota;
	document.cookie = 'velikostpisma='+hodnota+'; path=/';
}

function nacistvelikost() {
	var nameEQ = "velikostpisma=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0)
		{
			document.body.style.fontSize = c.substring(nameEQ.length,c.length);
		}
	}
}

function presypat(hodnota)
{
	if(hodnota == 'deska')
	{
		 document.getElementById('deska_span').style.backgroundPosition = "-301px -57px";
		 document.getElementById('tiskovky_span').style.backgroundPosition = "-122px -57px";
		 document.getElementById('aktuality_span').style.backgroundPosition = "-1px -57px";
		 document.getElementById('uredni_deska_head').style.backgroundPosition = "left bottom";

		document.getElementById('deska_h2').style.backgroundColor="#810001";
		document.getElementById('tiskovky_h2').style.backgroundColor="#2B75A7";
		document.getElementById('aktuality_h2').style.backgroundColor="#2B75A7";

		 document.getElementById('deska').style.display = "block";
		 document.getElementById('tiskovky').style.display = "none";
		 document.getElementById('aktuality').style.display = "none";
	}
	if(hodnota == 'tiskovky')
	{
		 document.getElementById('deska_span').style.backgroundPosition = "-301px -29px";
		 document.getElementById('tiskovky_span').style.backgroundPosition = "-122px -29px";
		 document.getElementById('aktuality_span').style.backgroundPosition = "-1px -29px";
		 document.getElementById('uredni_deska_head').style.backgroundPosition = "left -28px";

		document.getElementById('deska_h2').style.backgroundColor="#2B75A7";
		document.getElementById('tiskovky_h2').style.backgroundColor="#810001";
		document.getElementById('aktuality_h2').style.backgroundColor="#2B75A7";

		 document.getElementById('deska').style.display = "none";
		 document.getElementById('tiskovky').style.display = "block";
		 document.getElementById('aktuality').style.display = "none";
	}
	if(hodnota == 'aktuality')
	{
		 document.getElementById('deska_span').style.backgroundPosition = "-301px -1px";
		 document.getElementById('tiskovky_span').style.backgroundPosition = "-122px -1px";
		 document.getElementById('aktuality_span').style.backgroundPosition = "-1px -1px";
		 document.getElementById('uredni_deska_head').style.backgroundPosition = "left top";

		document.getElementById('deska_h2').style.backgroundColor="#2B75A7";
		document.getElementById('tiskovky_h2').style.backgroundColor="#2B75A7";
		document.getElementById('aktuality_h2').style.backgroundColor="#810001";

		 document.getElementById('deska').style.display = "none";
		 document.getElementById('tiskovky').style.display = "none";
		 document.getElementById('aktuality').style.display = "block";
	}
}
function presypatDefault()
{
	document.getElementById('uredni_deska_head').style.backgroundImage= "url('./skin/img/deska.png')";

	document.getElementById('deska_h2').style.position="absolute";
	document.getElementById('tiskovky_h2').style.position="absolute";
	document.getElementById('aktuality_h2').style.position="absolute";

	document.getElementById('deska_h2').style.top = "-29px";
	document.getElementById('tiskovky_h2').style.top = "-29px";
	document.getElementById('tiskovky_h2').style.left = "121px";
	document.getElementById('aktuality_h2').style.top = "-29px";

	/*document.getElementById('deska_span').style.backgroundPosition = "-301px -1px";
	document.getElementById('tiskovky_span').style.backgroundPosition = "-122px -1px";
	document.getElementById('aktuality_span').style.backgroundPosition = "-1px -1px";
	document.getElementById('uredni_deska_head').style.backgroundPosition = "left top";

	document.getElementById('deska').style.display = "none";
	document.getElementById('tiskovky').style.display = "none";
	document.getElementById('aktuality').style.display = "block";*/
}


function setImage() {
	var imgHandle = document.getElementById('kamera');
	var imgHandleBig = document.getElementById('kameraBig');
	if (imgHandleBig != null) {
			var date = new Date();
			imgHandleBig.src = './kamera/kamera.jpg' + '?v=' + date.getTime();
			setTimeout(setImage, 5000);
	}
	else
	{
		if (imgHandle != null) {
			var date = new Date();
			imgHandle.src = './kamera/kamera.jpg' + '?v=' + date.getTime();
			setTimeout(setImage, 5000);
		}
	}
}