function tabs_1()
		{
			document.getElementById('div1i').style.display=''
			document.getElementById('div2i').style.display='none'
			document.getElementById('div3i').style.display='none'
			document.getElementById('div4i').style.display='none'
			document.getElementById("th_td_1").className = "aktiv";
			document.getElementById("th_td_2").className = "th_td";
			document.getElementById("th_td_3").className = "th_td";
			document.getElementById("th_td_4").className = "th_td";
		}
	function tabs_2()
		{
			document.getElementById('div1i').style.display='none'
			document.getElementById('div2i').style.display=''
			document.getElementById('div3i').style.display='none'
			document.getElementById('div4i').style.display='none'
			document.getElementById("th_td_1").className = "th_td";
			document.getElementById("th_td_2").className = "aktiv";
			document.getElementById("th_td_3").className = "th_td";
			document.getElementById("th_td_4").className = "th_td";
		}
	function tabs_3()
		{
			document.getElementById('div1i').style.display='none'
			document.getElementById('div2i').style.display='none'
			document.getElementById('div3i').style.display=''
			document.getElementById('div4i').style.display='none'
			document.getElementById("th_td_1").className = "th_td";
			document.getElementById("th_td_2").className = "th_td";
			document.getElementById("th_td_3").className = "aktiv";
			document.getElementById("th_td_4").className = "th_td";
		}
	function tabs_4()
		{
			document.getElementById('div1i').style.display='none'
			document.getElementById('div2i').style.display='none'
			document.getElementById('div3i').style.display='none'
			document.getElementById('div4i').style.display=''
			document.getElementById("th_td_1").className = "th_td";
			document.getElementById("th_td_2").className = "th_td";
			document.getElementById("th_td_3").className = "th_td";
			document.getElementById("th_td_4").className = "aktiv";
		}