document.getElementById("generalControls").appendChild(createWaitIcon());
setBusyWait();

function createWaitIcon(){
	var imgNode=document.createElement("img");
	imgNode.setAttribute("src","pix/icnBusyWait.png");
	imgNode.id="icnBusyWait";
	imgNode.style.display="none";
	return(imgNode);
}

function setBusyWait(){
	document.body.style.cursor="wait";
	document.getElementById("icnBusyWait").style.display="block";
}

function unsetBusyWait(){
	document.body.style.cursor="";
	document.getElementById("icnBusyWait").style.display="none";
}