function blendoff(idname) {
	document.getElementById(idname).style.display = 'none';
	}
function blendon(idname) {
	document.getElementById(idname).style.display = 'block';
	}


function swichtabs(wert) {
	if (wert=='1') {
		document.getElementById('tablink1').className='tab1 tabactive';
		document.getElementById('tablink2').className='tab2';
		document.getElementById('tablink3').className='tab3';
		document.getElementById('tablink4').className='tab4';
	} else if (wert=='2' ){
		document.getElementById('tablink1').className='tab1';
		document.getElementById('tablink2').className='tab2 otheractive';
		document.getElementById('tablink3').className='tab3';
		document.getElementById('tablink4').className='tab4';
	} else if (wert=='3') {
		document.getElementById('tablink1').className='tab1';
		document.getElementById('tablink2').className='tab2';
		document.getElementById('tablink3').className='tab3 otheractive';
		document.getElementById('tablink4').className='tab4';
	} else if (wert=='4') {
		document.getElementById('tablink1').className='tab1';
		document.getElementById('tablink2').className='tab2';
		document.getElementById('tablink3').className='tab3';
		document.getElementById('tablink4').className='tab4 otheractive';
	}
}