// 判断是否为隐藏(css)样式

function isHide(obj)
{

 

var ret = obj.style.display ===
"none"
||

obj.style.display ===
""
||

(obj.currentStyle && obj.currentStyle ===
"none")
||

(window.getComputedStyle &&
window.getComputedStyle(obj, null).display ===
"none")

 

return ret;

 

}