var limit=30;;
var avajaxoptions = {
	target :"#ajaxoutput", // target element(s) to be updated with server
							// response
	beforeSubmit :showRequest, // pre-submit callback
	success :showResponse
// post-submit callback
}
function avnext() {
	//alert($('input#offset').val());
	var x=parseInt($('input#offset').val())+limit;
	//alert(x);
	$('input#offset').val(x);
	$('#avsearch').ajaxSubmit(avajaxoptions);
}
function avfirst() {
	$('input#offset').val(0);
	$('#avsearch').ajaxSubmit(avajaxoptions);
}
function avprevious() {
	var x=parseInt($('offset').val())-limit;	
	if (x<0)
	{
		x=0;
	}
	$('input#offset').val(x);	
	$('#avsearch').ajaxSubmit(avajaxoptions);
}