function tabss_clk(ttb)
{
	var TABS = document.getElementById(ttb) 
	TABS.className="tabss_clk"
	document.getElementById(ttb+'s').style.display="block"
	if (ttb == "tab1")
	{
		document.getElementById("tab2").className="tabss"
		document.getElementById("tab2s").style.display="none"
		document.getElementById("tab3").className="tabss"
		document.getElementById("tab3s").style.display="none"
	}
	if (ttb == "tab2")
	{
		document.getElementById("tab1").className="tabss"
		document.getElementById("tab1s").style.display="none"
		document.getElementById("tab3").className="tabss"
		document.getElementById("tab3s").style.display="none"
	}
	if (ttb == "tab3")
	{
		document.getElementById("tab1").className="tabss"
		document.getElementById("tab1s").style.display="none"
		document.getElementById("tab2").className="tabss"
		document.getElementById("tab2s").style.display="none"
	}
}