function groupSwitch (divId) {
	if (divId == 'pjcclarified') {
		document.getElementById('box1').style.display = 'block';
		document.getElementById('box2').style.display = 'none';		
		document.getElementById('box3').style.display = 'none';
		document.getElementById('box4').style.display = 'none';
		document.getElementById('box5').style.display = 'none';
		//change style
		document.getElementById('pjcclarified').className = "btn1_active";
		document.getElementById('pjfclarifiednfc').className = "btn1";
		document.getElementById('pjccloudyconcentrate').className = "btn1";
		document.getElementById('pjccloudynfc').className = "btn1";
		document.getElementById('fpu4').className = "btn1";
	}
	if (divId == 'pjfclarifiednfc'){
		document.getElementById('box1').style.display = 'none';
		document.getElementById('box2').style.display = 'block';		
		document.getElementById('box3').style.display = 'none';
		document.getElementById('box4').style.display = 'none';
		document.getElementById('box5').style.display = 'none';
		//change style
		document.getElementById('pjcclarified').className = "btn1";
		document.getElementById('pjfclarifiednfc').className = "btn1_active";
		document.getElementById('pjccloudyconcentrate').className = "btn1";
		document.getElementById('pjccloudynfc').className = "btn1";
		document.getElementById('fpu4').className = "btn1";
		
	}
	if (divId == 'pjccloudyconcentrate'){
		document.getElementById('box1').style.display = 'none';
		document.getElementById('box2').style.display = 'none';		
		document.getElementById('box3').style.display = 'block';
		document.getElementById('box4').style.display = 'none';
		document.getElementById('box5').style.display = 'none';
		//change style
		document.getElementById('pjcclarified').className = "btn1";
		document.getElementById('pjfclarifiednfc').className = "btn1";
		document.getElementById('pjccloudyconcentrate').className = "btn1_active";
		document.getElementById('pjccloudynfc').className = "btn1";
		document.getElementById('fpu4').className = "btn1";
	}
	if (divId == 'pjccloudynfc'){
		document.getElementById('box1').style.display = 'none';
		document.getElementById('box2').style.display = 'none';		
		document.getElementById('box3').style.display = 'none';
		document.getElementById('box4').style.display = 'block';
		document.getElementById('box5').style.display = 'none';
		//change style
		document.getElementById('pjcclarified').className = "btn1";
		document.getElementById('pjfclarifiednfc').className = "btn1";
		document.getElementById('pjccloudyconcentrate').className = "btn1";
		document.getElementById('pjccloudynfc').className = "btn1_active";
		document.getElementById('fpu4').className = "btn1";
	}
	if (divId == 'fpu4'){
		document.getElementById('box1').style.display = 'none';
		document.getElementById('box2').style.display = 'none';		
		document.getElementById('box3').style.display = 'none';
		document.getElementById('box4').style.display = 'none';
		document.getElementById('box5').style.display = 'block';
		//change style
		document.getElementById('pjcclarified').className = "btn1";
		document.getElementById('pjfclarifiednfc').className = "btn1";
		document.getElementById('pjccloudyconcentrate').className = "btn1";
		document.getElementById('pjccloudynfc').className = "btn1";
		document.getElementById('fpu4').className = "btn1_active";
	}
}