var lastDiv = "";
function showDiv(divName) {
	// hide last div
	if (!(divName==22)) {
			divName="other";
			if (document.getElementById("other")) {
				document.getElementById("other").className = "visibleDiv";
			}
			if (document.getElementById("22")) {
				document.getElementById("22").className = "hiddenDiv";
			}
			for(var i = 1; i <= 7; i++) {
				if (document.getElementById("other" + i)) {
					document.getElementById("other" + i).className = "visibleDiv";
				}
			}
	}
	else {
			if (document.getElementById("other")) {
				document.getElementById("other").className = "hiddenDiv";
			}
			if (document.getElementById("22")) {
				document.getElementById("22").className = "visibleDiv";
			}
			for(var i = 1; i <= 7; i++) {
				if (document.getElementById("other" + i)) {
					document.getElementById("other" + i).className = "hiddenDiv";
				}
			}
	}	

//	if (lastDiv) {
//			document.getElementById(lastDiv).className = "hiddenDiv";
//	}
	//if value of the box is not nothing and an object with that name exists, then change the class
//	if (divName && document.getElementById(divName)) {
//			document.getElementById(divName).className = "visibleDiv";
//			lastDiv = divName;
//	}
}