var a=1;
function what() {
// document.getElementById('header').innerHTML="PARTY HARD PARTY HARD";
if (a==0) {
		document.body.style.backgroundColor="#0000FF";
		//document.getElementById('header').style.color="#0000FF";
		a=1;
	}else{
	if (a==1)
	{
		document.body.style.backgroundColor="#FF0000";
		//document.getElementById('header').style.color="#00FF00";
		a=2;
	}else{
		document.body.style.backgroundColor="#00FF00";
		//document.getElementById('header').style.color="#FF0000";
		a=0;
	}
	}
}