function change(){document.getElementById("box1").style.borderColor = "green";}
	function change_back(){document.getElementById("box1").style.borderColor = "red";}
	function change2(){document.getElementById("box2").style.backgroundColor = "white";}
	function change_back2(){document.getElementById("box2").style.backgroundColor = "white";}
	
	
	
	

//referrer page
function start() {
var ref = document.getElementById('referrer');
ref.value = document.referrer;
}
onload = start;