//偵測使用視窗高度document.documentElement.clientHeight
function getValue()
{
var x=document.getElementById("pp");
//var y=x.style.height;
//alert(y);
//x.style.height=y-3;
x.style.height=document.documentElement.clientHeight-50;
}
window.onload=getValue;
window.onresize=getValue;

function publ(yy)
{
var x=document.getElementById("bb2");
x.style.background='#ffffff url(images/publication/'+yy+') top left  no-repeat';
}