function openFullscreenWindow(url){

    var width, height;

    width = (screen.availWidth?screen.availWidth:800) -10;

    height = (screen.availHeight?screen.availHeight:600) - 28;

    if (navigator.appVersion.indexOf('Mac') != -1) {

        if ((document.getElementById && !document.all) || ((navigator.appName=="Netscape" && theVersion<5) ? 1:0)) {

            height +=40;

        } else {

            width += 10;

            height += 6;

        }

    } else {

        if(document.getElementById && !document.all) {

            width +=4;

            height +=2;

        }

    }

    daddyWin = window.open(url,"Daddy","left=0,top=0,width=" + width + ",height=" + height + ",fullscreen=no, scrollbars=yes");

    if (daddyWin && (navigator.appVersion.indexOf('Mac') != -1) && daddyWin.moveTo && daddyWin.resizeTo) {

        daddyWin.moveTo(0,0);

        daddyWin.resizeTo(width,height);

        daddyWin.focus();

    }

}

function cal_extern(path)

{

	window.open(path);

}