//************弹出窗口大小***********
function Openpage(strstring)
{
window.open (strstring,"","directories=no,fullscreen=no,resizable=yes,width=570,height=480,top=40,left=80,scrollbars=yes");
}
//************字体放大缩小***********
function fontZoom(size)
{
 document.getElementById("fontzoom").style.fontSize=size+"px"
}