var imgheight 
document.ns = navigator.appName == "Netscape" 
window.screen.width>800 ? imgheight=100:imgheight=120 
function myload() 
{ 
if (navigator.appName == "Netscape") 
{document.dangdang.pageY=pageYOffset+window.innerHeight-imgheight-0; 
document.dangdang.pageX=+window.innerWidth-107; 
mymove(); 
} 
else 
{ 
dangdang.style.top=document.body.scrollTop+document.body.offsetHeight-imgheight-0; 
dangdang.style.left=document.body.offsetWidth-107; 
mymove(); 
} 
} 
function mymove() 
{ 
if(document.ns) 
{ 
document.dangdang.top=pageYOffset+window.innerHeight-imgheight-0; 
document.dangdang.left=pageXOffset+window.innerWidth-109; 
setTimeout("mymove();",50) 
} 
else 
{ 
dangdang.style.top=document.body.scrollTop+document.body.offsetHeight-imgheight-0; 
dangdang.style.left=document.body.scrollLeft+document.body.offsetWidth-132; 
setTimeout("mymove();",50) 
} 
} 
function MM_reloadPage(init) { //reloads the window if Nav4 resized 
if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) { 
document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }} 
else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload(); 
} 
MM_reloadPage(true) 
if (navigator.appName == "Netscape") 
{ 
document.write("<layer id=dangdang top=300 width=40 height=82><a href=\"#\" onclick=\"window.location = 'service_try.htm';\"><img border='0' src='images/pic_button_down.gif'></a></layer>"); 
myload()} 
else 
{ 
document.write("<div id=dangdang style='position: absolute;width:80;top:300;left:4;visibility: visible;z-index: 1'><a href=\"#\" onclick=\"window.location='service_try.htm';\"><img border='0' src='images/pic_button_down.gif'></a></div>"); 
myload() 
}