http://jc-dreaming.iteye.com/blog/754690
/**
/**
*判断对象是否为空
*Check whether string s is empty.
*/
function isEmpty(s)
{
return ((s == undefined || s == null || s == "") ? true : false);
}
function isEmpty(s)
{
return ((s == undefined || s == null || s == "") ? true : false);
}