function doAjax(targetdiv, targeturl, method, params) {
	method='post';
	//var ind='myindicator.gif';
	$(targetdiv).innerHTML='<img src="/game/myindicator.gif">';
	jscache=parseInt(Math.random()*99999999);
	var myAjax = new Ajax.Updater (targetdiv, targeturl, {method: method, parameters: params+'&cache='+jscache, evalScripts: true});
}

function doAjaxNoImage(targetdiv, targeturl, method, params) {
	method='post';
	//var ind='myindicator.gif';
	//document.getElementById(targetdiv).innerHTML='<img src="myindicator.gif">';
	jscache=parseInt(Math.random()*99999999);
	var myAjax = new Ajax.Updater (targetdiv, targeturl, {method: method, parameters: params+'&cache='+jscache, evalScripts: true});
}