高度自适应

//高度自适应
function resetSize(){
var headerHeight=80;
footerHeight=50,
bodyHeight=window.innerHeight-headerHeight-footerHeight,
IE8bodyHeight = document.documentElement.clientHeight,
oMid = document.getElementById("index4Pic");
$("#leftFrame").css("height", bodyHeight-40-5);
$(".rightContent").css("height", bodyHeight-80);
if(!bodyHeight && oMid){
oMid.style.height = IE8bodyHeight/2+120  ;
}

}