if(document.images) {
//sharon = new Image();
//sharon.src = "images/sharon.gif";
//thebodyfirm = new Image();
//thebodyfirm.src = "images/thebodyfirm.gif";
clouds = new Image();
clouds.src = "images/clouds.gif";
}

function up(imgName) {
	if(document.images)	{
		//alert(imgName);
		document[imgName].src = eval(imgName + '_up.src');
	}
}

function over(imgName) {
	if(document.images)	{
		//alert(imgName);
		document[imgName].src = eval(imgName + '_over.src');
	}
}

function down(imgName) {
	if(document.images)	{
		//alert(imgName);
		document[imgName].src = eval(imgName + '_down.src');
	}
}