function swapImage(imgname, image)	
{
	document.images[imgname].src = image;
}

function NoEnter()
{
	if (window.event.keyCode == 13) 
		return(false);
}

function showBusImg(picid, img)
{
	document.getElementById(picid).src = img;
}

function checkDate(ddate)
{
	if(ddate.value.length > 0){
		if(isDate2(ddate.value, 1) == false){
			ddate.focus();
			return false;
		}
	}	
	return true;
}