function doAjax(targetdiv, targeturl, method, params) {
	$(targetdiv).innerHTML='<img src="/images2/myindicator.gif">';
	jscache=parseInt(Math.random()*99999999);
	var myAjax = new Ajax.Updater (targetdiv, targeturl, {method: method, parameters: params+'&cache='+jscache, evalScripts: true});
}

function doAjaxDots(targetdiv, targeturl, method, params) {
	$(targetdiv).innerHTML='<img src="/images2/ajax-loader.gif">';
	jscache=parseInt(Math.random()*99999999);
	var myAjax = new Ajax.Updater (targetdiv, targeturl, {method: method, parameters: params+'&cache='+jscache, evalScripts: true});
}
function doAjaxCircle(targetdiv, targeturl, method, params) {	$(targetdiv).innerHTML='<img src="/images2/ajax-loader2.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) {
	jscache=parseInt(Math.random()*99999999);
	var myAjax = new Ajax.Updater (targetdiv, targeturl, {method: method, parameters: params+'&cache='+jscache, evalScripts: true});
}