lastScrollY=0;
function heartBeat(){ 
var diffY;
if (document.documentElement && document.documentElement.scrollTop)
    diffY = document.documentElement.scrollTop;
else if (document.body)
    diffY = document.body.scrollTop
else
    {/*Netscape stuff*/}
	
if(document.documentElement.clientHeight)
viewheight = document.documentElement.clientHeight;
else
viewheight = document.body.clientHeight;
divheight__ = $('#lovexin12').height();
lovexin12top = parseInt(diffY)+parseInt(viewheight)-parseInt(divheight__)-50;

//alert(diffY);
percent=.1*(diffY-lastScrollY); 
if(percent>0)percent=Math.ceil(percent); 
else percent=Math.floor(percent); 
document.getElementById("lovexin12").style.top=parseInt(lovexin12top)+percent+"px";
function DialogLoc(){
	var dde = document.documentElement;
	if (window.innerWidth){
		var ww = window.innerWidth;
		var bgX = window.pageXOffset;
	}else{
		var ww = dde.offsetWidth;
		var bgX = dde.scrollLeft;
	}
	return t_DiglogX = (ww/2+1320/2-235);
	}
var	left = DialogLoc() + 'px';
document.getElementById("lovexin12").style.left = left;
lastScrollY=lastScrollY+percent; 
//alert(lastScrollY);
}
window.setInterval("heartBeat()",1);

function far_close()
{
	document.getElementById("lovexin12").innerHTML="";
}

function setfrme()
{
	var tr=document.getElementById("lovexin12");
	var twidth=tr.clientWidth;
	var theight=tr.clientHeight;
	var fr=document.getElementById("frame55la");
	fr.width=twidth-1;
	fr.height=theight-30;
}
//setfrme()