function toggle(theBlock) {
	if(document.getElementById(theBlock).style.display == "block") {
		document.getElementById(theBlock).style.display = "none";
		document.getElementById(theBlock + "link").style.background = "no-repeat url(images/arrow_right.gif) left center";
	} else {
		document.getElementById(theBlock).style.display = "block";
		document.getElementById(theBlock + "link").style.background = "no-repeat url(images/arrow_down.gif) left center";
	}
}
function show(theBlock) {
	document.getElementById(theBlock).style.display = "block";
}
function hide(theBlock) {
	document.getElementById(theBlock).style.display = "none";
}