//获得窗口大小
function findDimensions() //函数：获取尺寸
{
var point = {};
//获取窗口宽度
window.innerWidth && (point.width = window.innerWidth);
window.innerHeight && (point.height = window.innerHeight);
/*
//document.body.clientWidth 网页可见区域宽
//document.body.clientHeight 网页可见区域高：
//document.body.clientWidth;
//document.documentElement.clientHeight
document.body.clientWidth && (point.width = document.body.clientWidth);
document.body.clientHeight && (point.height =document.body.clientHeight); */
//winHeight = document.body.clientHeight;
return point;
}
