function hide_expander(expID) { 	
	//Hides the expanders	
	if (document.getElementById(expID).style.display="block") {
		document.getElementById(expID).style.display="none" }
}
function show_expander(expID) { 	
	//Shows the expanders	
	if (document.getElementById(expID).style.display="none") {
		document.getElementById(expID).style.display="block" }
}
function printpage () {
	//Shows all the expanders
	var e=document.getElementsByTagName("div");
	for(var i=0;i<e.length;i++){e[i].style.display="block";}
	window.print();
}