function opendiv(args) {
	switch(args) {
		case 'additives_txt':
			document.getElementById('additives_txt').style.display = "block";
			document.getElementById('absorbers_txt').style.display = "none";
			document.getElementById('technical_txt').style.display = "none";
			break;
		case 'absorbers_txt':
			document.getElementById('additives_txt').style.display = "none";
			document.getElementById('absorbers_txt').style.display = "block";
			document.getElementById('technical_txt').style.display = "none";
			break;
		case 'technical_txt':
			document.getElementById('additives_txt').style.display = "none";
			document.getElementById('absorbers_txt').style.display = "none";
			document.getElementById('technical_txt').style.display = "block";
			break;
		case 'form_none':
			document.getElementById('additives_txt').style.display = "none";
			document.getElementById('absorbers_txt').style.display = "none";
			document.getElementById('technical_txt').style.display = "none";
			break;
	}
}