var z = document.cookie.match ('tabCookie=(.*?)(;|$)');
if(z) {
	var zTab=z[1];
	var sets = 4;
	for(y = 1; y < (sets + 1); y ++) {
		document.getElementById('cont_' + y).style.display = "none";
		document.getElementById('cLink_' + y).style.borderColor = "#DFDFDF";
	}
	document.getElementById('cont_' + zTab).style.display = "block";
	document.getElementById('cLink_' + zTab).style.borderColor = "#666666";
}

function action(x){
	var sets = 4;
	for(y = 1; y < (sets + 1); y ++) {
		document.getElementById('cont_' + y).style.display = "none";
		document.getElementById('cLink_' + y).style.borderColor = "#DFDFDF";
	}
	document.getElementById('cont_' + x).style.display = "block";
	document.getElementById('cLink_' + x).style.borderColor = "#666666";
	document.cookie = "tabCookie=" + x;
}