// JavaScript Document
function showlayer(layer){
	if(layer==1){
			document.getElementById('videoContent1').style.display="block";
			document.getElementById('videoContent2').style.display="none";
			document.getElementById('videoContent3').style.display="none";
			document.getElementById('tab1').className="tab-active";
			document.getElementById('tab2').className="tab";
			document.getElementById('tab3').className="tab";
	}
	if(layer==2){
			document.getElementById('videoContent1').style.display="none";
			document.getElementById('videoContent2').style.display="block";
			document.getElementById('videoContent3').style.display="none";
			document.getElementById('tab1').className="tab";
			document.getElementById('tab2').className="tab-active";
			document.getElementById('tab3').className="tab";
	}
	if(layer==3){
			document.getElementById('videoContent1').style.display="none";
			document.getElementById('videoContent2').style.display="none";
			document.getElementById('videoContent3').style.display="block";
			document.getElementById('tab1').className="tab";
			document.getElementById('tab2').className="tab";
			document.getElementById('tab3').className="tab-active";
	}
}