// JavaScript Document

	//实时根据窗口调整位置
	window.onload = aa;
    window.onresize = aa;
	window.onscroll=aa;
    function aa() {
		var getO = document.getElementById('juzhong');
        var getE = document.getElementById('helpPannel');
        var getBody = document.getElementById('body');
		var getL = document.getElementById('line');
		
		getO.style.left = (getBody.clientWidth - getO.offsetWidth)/2 + "px";
		getE.style.top=document.documentElement.scrollTop + 120 + "px";
		
		var winHeight = 706;
		winHeight = document.documentElement.clientHeight;
		
		var b=getBody.clientHeight
		if (winHeight<b) 
		{
		getL.style.height=b + "px";
		}
		else
		{
		getL.style.height=winHeight + "px";
		}
    }