var firstTab;

function init() {

	firstTab = (document.location.toString().match(/\/golv\//) ? false : true );

	if (document.getElementById('tab1').addEventListener){
		document.getElementById('tab1').addEventListener('click',tab1Click,false);
		document.getElementById('tab2').addEventListener('click',tab2Click,false);
	} else if (document.getElementById('tab1').attachEvent){
		document.getElementById('tab1').attachEvent('onclick',tab1Click);
		document.getElementById('tab2').attachEvent('onclick',tab2Click);
	}

		
	function tab1Click() {
		if(!firstTab) {
			firstTab = true;
			document.getElementById('tab1').setAttribute("class","tab1S");
			document.getElementById('tab2').setAttribute("class","tab2NS");
			document.getElementById('menu').setAttribute("class","menu1");
			document.getElementById('tab1div').style.display = "block";
			document.getElementById('tab2div').style.display = "none";
		}
	}
		
	function tab2Click() {
		if(firstTab) {
			firstTab = false;
			document.getElementById('tab1').setAttribute("class","tab1NS");
			document.getElementById('tab2').setAttribute("class","tab2S");
			document.getElementById('menu').setAttribute("class","menu2");
			document.getElementById('tab1div').style.display = "none";
			document.getElementById('tab2div').style.display = "block";
		}
	}


}