function showDesc(num){
	for(i=1;i<=5;i++){
		document.getElementById('description' + i).style.display = "none";
	}
	
	switch(num){
		case 1:
			document.getElementById('description1').style.display = "inline";
		break;
		case 2:
			document.getElementById('description2').style.display = "inline";
		break;
		case 3:
			document.getElementById('description3').style.display = "inline";
		break;
		case 4:
			document.getElementById('description4').style.display = "inline";
		break;
		case 5:
			document.getElementById('description5').style.display = "inline";
		break;
	}
}
function rollOver(num){
	var root = document.getElementById('topic' + num);
	
	root.style.cursor = "pointer";
	root.style.color = "blue";
	
	switch(num){
		case 1:
			document.getElementById('topicIcon').innerHTML = "<img src=\"images/appliance.png\" />";
		break;
		case 2:
			document.getElementById('topicIcon').innerHTML = "<img src=\"images/clock.png\" />";
		break;
		case 3:
			document.getElementById('topicIcon').innerHTML = "<img src=\"images/fabric.png\" />";
		break;
		case 4:
			document.getElementById('topicIcon').innerHTML = "<img src=\"images/detergent.png\" />";
		break;
		case 5:
			document.getElementById('topicIcon').innerHTML = "<img src=\"images/skin.png\" />";
		break;
	}
	
}
function cleanup(num){
	var root = document.getElementById('topic' + num);
	
	root.style.color = "black";
	document.getElementById('topicIcon').innerHTML = "";
}