$(document).ready(function(){});

var isIE = document.all?true:false;
var isNS = document.layers?true:false;


function onlyDigits(e, decReq) {
	if (decReq == null) decReq = 'noDec';
	var key = (isIE) ? window.event.keyCode : e.which;
	var obj = (isIE) ? event.srcElement : e.target;
	var isNum = (key > 47 && key < 58) ? true:false;
	var dotOK = (key == 46 && decReq == 'decOK' && (obj.value.indexOf(".") < 0));
	if(key < 32)return true;
	return (isNum || dotOK);
}

function isDefined(variable){
	return (typeof(window[variable]) == 'undefined')? false : true;
}

function show_hide(element_id){

//	alert('show_hide');

		if ($('#' + element_id).is(':hidden')){
//			$('#' + element_id).show('slow');
			$('#' + element_id).animate({height: "show"}, 800);
//			alert('hidden');            .animate({height: "show"}, 300);

		}else{
			$('#' + element_id).animate({ opacity: "hide" }, 800);
//			alert('not hidden');
		}

}

function switch_tab(tab, tab_body){
	$('#tabmenu li').removeClass('selected');
	$(tab).addClass('selected');
	$('#personal').hide();
	$('#shipping').hide();
	$('#myorders').hide();
	$('#wishlist').hide();
	$('#support').hide();
	$('#' + tab_body).show();
}