function IsEmpty(str)
{
	if(str.length > 0)
	{
		var nstr='';
		for(i=0;i<str.length;i++)
		{
			nstr = nstr + str.charAt(i).replace(' ','');
		}
		str = nstr;
	}
	return str;
}

function noenter()
{
	return !(window.event && window.event.keyCode == 13);
}

function submitenter(myfield,e)
{
	var keycode;
	if (window.event) keycode = window.event.keyCode;
	else if (e) keycode = e.which;
	else return true;
	
	if (keycode == 13)
	{
		myfield.form.submit();
		return false;
	}
	else return true;
}