document.writeln("		    <DIV id=img_icon style=\"HEIGHT: 100px; LEFT: 200px; POSITION: absolute; TOP: WIDTH: 100px\"> ");
document.writeln("			<a href=\"http://blog.sina.com.cn/u/1564083050\" target=\"_blank\"><img src=\"ads/2010xbhs.gif\" border=\"0\"></a>");
document.writeln("                  </DIV>");

var yy_xPos = 300;
var yy_yPos = document.body.clientHeight;
var yy_step = 1;
var yy_delay = 20; 
var yy_height = 0;
var yy_width = 0;
var yy_Hoffset = 0;
var yy_Woffset = 0;
var yy_yon = 0;
var yy_xon = 0;
var yy_pause = true;
var yy_interval;
img_icon.style.top = yy_yPos;
function yy_changePos()
{
	yy_width = document.body.clientWidth;
	yy_height = document.body.clientHeight;
	yy_Hoffset = img_icon.offsetHeight;
	yy_Woffset = img_icon.offsetWidth;
	img_icon.style.left = yy_xPos + document.body.scrollLeft;
	img_icon.style.top = yy_yPos + document.body.scrollTop;
	if (yy_yon) 
	{
		yy_yPos = yy_yPos + yy_step;
	}
	else
	{
		yy_yPos = yy_yPos - yy_step;
	}
	if (yy_yPos < 0) 
	{
		yy_yon = 1;
		yy_yPos = 0;
	}
	if (yy_yPos >= (yy_height - yy_Hoffset)) 
	{
		yy_yon = 0;
		yy_yPos = (yy_height - yy_Hoffset);
	}
	if (yy_xon) 
	{
		yy_xPos = yy_xPos + yy_step;
	}
	else 
	{
		yy_xPos = yy_xPos - yy_step;
	}
	if (yy_xPos < 0) 
	{
		yy_xon = 1;
		yy_xPos = 0;
	}
	if (yy_xPos >= (yy_width - yy_Woffset)) 
	{
		yy_xon = 0;
		yy_xPos = (yy_width - yy_Woffset);
   	}
}
function start2float()
{
	img_icon.visibility = "visible";
	yy_interval = setInterval('yy_changePos()', yy_delay);
}
function pause_resume() 
{
	if(yy_pause) 
	{
		clearInterval(yy_interval);
		yy_pause = false;
	}
	else 
	{
		yy_interval = setInterval('yy_changePos()',yy_delay);
		yy_pause = true;
	}
}
start2float();