function printshowopenwindow(url) {
var iWidth=1000; //窗口宽度
var iHeight=800;//窗口高度
var iTop=(window.screen.height-iHeight)/2;
var iLeft=(window.screen.width-iWidth)/2;
window.open(url,"Detail","Scrollbars=yes,Toolbar=no,Location=no,Direction=no,Resizeable=no,Width="+iWidth+",Height="+iHeight+",top="+iTop+",left="+iLeft);
}