//here you place the ids of every element you want.
var ids=new Array('eye','ear','finger','cough','toe','throat','cramp','knee','leprosy');

function switchid(id){	
	hideallids();
	showdiv(id); }

function hideallids(){
	//loop through the array and hide each element by id
	for (var i=0;i<ids.length;i++){
		hidediv(ids[i]); }		  
}

function hidediv(id) {
	//safe function to hide an element with a specified id
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(id).style.display = 'none'; }
	else {
		if (document.layers) { // Netscape 4
			document.id.display = 'none';	}
		else { // IE 4
			document.all.id.style.display = 'none'; }
	}
}

function showdiv(id) {
	//safe function to show an element with a specified id
		  
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(id).style.display = 'block'; }
	else {
		if (document.layers) { // Netscape 4
			document.id.display = 'block'; }
		else { // IE 4
			document.all.id.style.display = 'block'; }
	}
}