function showAjaxLoading(){
	document.getElementById("ajax_loader").style.display = "block";
}

function hideAjaxLoading(){
	window.setTimeout('document.getElementById("ajax_loader").style.display = "none";', 800);
}

function showPassword(url, url2){
	Lightview.show({
		href: url + '/' + url2,
		rel: 'iframe',
		options: {
			width: 420,
			height: 200,
			menubar: false
		}
	});
}

function IsNumeric(sText){
	var ValidChars = "0123456789";
	var IsNumber=true;
	var Char;
	for (i = 0; i < sText.length && IsNumber == true; i++) { 
		Char = sText.charAt(i); 
		if (ValidChars.indexOf(Char) == -1){
			IsNumber = false;
			alert('Please enter numbers only.');
		}
	}
}