function hide(){
	var x = 5;
	while (x >= 0){
		document.getElementById("two").style.display='none';
		document.getElementById("three").style.display='none';
		document.getElementById("secondary2").style.display='none';
		document.getElementById("tertiary1").style.display='none';
		document.getElementById("tertiary2").style.display='none';
		x=x-1;
	}
}

function setCookie(name, value, expires) {
	document.cookie = name + "=" + escape(value) + "; path=/" + ((expires == null) ? "" : "; expires=" + expires.toGMTString());
}

var exp = new Date(); // make new date object
exp.setTime(exp.getTime() + (1000 * 60 * 60 * 24 * 30)); // set it 30 days ahead